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Engine Control Module --, 2016 MY

DTC / Description Monitor Strategy Description Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length MIL Illumination Component Diagnostic Procedure
P00A2 Charge Air Cooler Temperature Sensor Circuit Low Bank 2 Charge air temperature sensor downstream charge air cooler signal range check low
  • Boost temperature sensor voltage < 0.04 V
  • Engine condition = running
  • 480 ms
  • 2 DCY
-- Check The Charge Air Temperature Sensor After Charge Air Cooler -G811- Refer to Charge Air Temperature Sensor After Charge Air Cooler -G811-, CHECKING 
P00A3 Charge Air Cooler Temperature Sensor Circuit High Bank 2 Charge air temperature sensor downstream charge air cooler signal range check high
  • Boost temperature sensor voltage > 2.88 V
  • Engine condition = running
  • 480 ms
  • 2 DCY
-- Check The Charge Air Temperature Sensor After Charge Air Cooler -G811- Refer to Charge Air Temperature Sensor After Charge Air Cooler -G811-, CHECKING 
P0016 Crankshaft Position-Camshaft Position Correlation Bank 1 Sensor A Phase Sensor for Camshaft Wrong assignment between camshaft and crankshaft signal
  • Difference between reference position vs. actual position > 10° CRS; < -10° CRS
  • Engine condition = forward rotation
  • VVT condition = n.a.
  • Disable conditions: MIL not illuminated for DTCs: P0341, P3007, P0321, P0322
  • 40 crankshaft rotations
  • 2 DCY
-- Check the Camshaft Position Sensor -G40-. Refer to Camshaft Position Sensor -G40-, CHECKING .
P0030 O2 Sensor Heater Control Bank 1 Sensor 1 Oxygen sensor LSU heater (output driver) open circuit
  • Signal voltage > 4.4 V
  • Output driver = inactive
  • Battery voltage > 10.7 V
  • Disable conditions: MIL not illuminated for DTCs: P0135, P0032, P0031, P0030, P2237, P2251, P2626, P2243, P0132, P0131, P0606
  • 5.0 s
  • Continuous
  • 2 DCY
-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P0031 O2 Sensor Heater Control Circuit Low Bank 1 Sensor 1 Oxygen sensor LSU heater (output driver) short to ground
  • Signal voltage < 2.15 V
  • Output driver = inactive
  • 5.0 s
  • Continuous
  • 2 DCY
-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P0032 O2 Sensor Heater Control Circuit Bank 1 Sensor 1 High Oxygen sensor LSU heater (output driver) short to battery plus
  • Signal current > 2.2 A
  • Output driver = active
  • 5.0 s
  • Continuous
  • 2 DCY
-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P0045 Turbocharger/Supercharger Boost Control Solenoid A Circuit/Open Turbo charger actuator Open Circuit
  • Diagnostic signal from output driver
  • Output driver = Off State
  • 480 ms
  • 2 DCY
-- Check the Wastegate Bypass Regulator Valve -N75-. Refer to Wastegate Bypass Regulator Valve -N75-, CHECKING .
P0047 Turbocharger/Supercharger Boost Control Solenoid A Circuit Low Turbo charger actuator Short to Ground
  • Diagnostic signal from output driver
  • Output driver = Off State
  • 480 ms
  • 2 DCY
-- Check the Wastegate Bypass Regulator Valve -N75-. Refer to Wastegate Bypass Regulator Valve -N75-, CHECKING .
P0048 Turbocharger/Supercharger Boost Control Solenoid A Circuit High Turbo charger actuator Short to Battery voltage
  • Diagnostic signal from output driver
  • Output driver = active
  • 480 ms
  • 2 DCY
-- Check the Wastegate Bypass Regulator Valve -N75-. Refer to Wastegate Bypass Regulator Valve -N75-, CHECKING .
P007B Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 Charge air temperature sensor upstream charge air cooler cross check of temperature sensors at cold start conditions
  • Temperature difference to at least 4 other temperature sensors during cold start > 30 K
  • Engine off time > 25, 200 s
  • Coolant temperature 1 or 2 at engine start < 60° C
  • Decrease of coolant temperature 1 or 2 after 60 s after engine start < 5 - 10 K (2 - 8 K in case of block heater installation coded)
  • Decrease of intake air temperature and environmental temperature from start temperatures after continuous driving with vehicle speed above 40 km/h for 20 s < 8 K
  • Total ECU ON time without engine start < 300 s
  • 20 ms
  • Once/ DCY
  • 2 DCY with cold start
-- Check the Charge Pressure Actuator Position Sensor -G581- Refer to Charge Pressure Actuator Position Sensor - G581-, CHECKING 
P007C Charge Air Cooler Temperature Sensor Circuit Low Bank 1 Charge air temperature sensor upstream charge air cooler signal range check low
  • Boost temperature sensor voltage > 2.88 V
  • Engine condition = running
  • 480 ms
  • 2 DCY
-- Check The Charge Air Temperature Sensor After Charge Air Cooler -G811- Refer to Charge Air Temperature Sensor After Charge Air Cooler -G811-, CHECKING 
P007D Charge Air Cooler Temperature Sensor Circuit High Bank 1 Charge air temperature sensor upstream charge air cooler signal range check high
  • Boost temperature sensor voltage < 0.04 V
  • Engine condition = running
  • 480 ms
  • 2 DCY
-- Check The Charge Air Temperature Sensor After Charge Air Cooler -G811- Refer to Charge Air Temperature Sensor After Charge Air Cooler -G811-, CHECKING 
P0070 Ambient Air Temperature Sensor Circuit Environmental temperature sensor via CAN /SRC-signal via CAN signal range check high
  • Error message from instrument panel
  • Communication time after T15 on > 1.0 s
  • 2.0 s
  • 2 DCY
-- Check the Outside Air Temperature Sensor -G17-. Refer to Outside Air Temperature Sensor -G17-, CHECKING
P0071 Ambient Air Temperature Sensor Circuit Range/Performance Environmental temperature sensor via CAN /SRC-signal via CAN No plausible error value
  • Error message from instrument panel
  • Communication time after T15 on > 1.0 s
  • 2.0 s
  • 2 DCY
-- Check the Outside Air Temperature Sensor -G17-. Refer to Outside Air Temperature Sensor -G17-, CHECKING
Environmental temperature sensor cross check of temperature sensors (engine part) at cold start conditions
  • Temperature difference to at least 4 other temperature sensors during cold start > 40 K
  • Engine off time > 25, 200 s
  • Coolant temperature 1 or 2 at engine start < 60° C
  • Decrease of coolant temperature 1 or 2 after 60 s after engine start < 5 - 10K (2 - 8K in case of block heater installation coded)
  • Decrease of intake air temperature and environmental temperature from start temperatures after continuous driving with vehicle speed above 40 km/h for 20 s < 8 K
  • Total ECU ON time without engine start < 300 s
  • 20 ms
  • Once/ DCY
  • 2 DCY
-- Check Fuel Temperature Sensor -G81-. Refer to Fuel Temperature Sensor -G81-, CHECKING .
P0072 Ambient Air Temperature Sensor Circuit Low Environmental temperature sensor via CAN /SRC-signal via CAN signal range check low
  • Error message from instrument panel
  • Communication time after T15 on > 1.0 s
  • 2 s
  • 2 DCY
-- Check the Outside Air Temperature Sensor -G17-. Refer to Outside Air Temperature Sensor -G17-, CHECKING
P0087 Fuel Rail/System Pressure - Too Low Rail Pressure Control monitoring of absolute rail-pressure and rail-pressure deviation
  • Control deviation > 150 - 200 Bar
  • Closed loop rail pressure control
  • 800 ms
  • Continuous
  • 2 DCY
-- Check the Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .-- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING 
  • Exceeding absolute rail pressure limits < 125 Bar
  • 300 ms
  • Continuous
P0088 Fuel Rail Pressure Control Too High Rail Pressure Control monitoring of absolute rail-pressure and rail-pressure deviation
  • Control deviation < -200 - -300 Bar
  • Closed loop rail pressure control
  • 1000 - 2000 ms
  • Continuous
  • 2 DCY
-- Check the Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .-- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING 
  • Exceeding absolute rail pressure limits > 2150 Bar
  • Delay-time for detection of a defect metering-unit >90 s after engine start
  • MIL not illuminated for DTCs: P0090, P0634, P0092, P2295, P0088, P0191, P0193, P0192
  • 300 ms
  • Continuous
P0090 Fuel Pressure Regulator 1 Control Circuit/Open Metering unit / fuel volume regulator open circuit
  • Diagnostic signal from output driver
  • Output driver = OFF Status
  • 230 - 290 ms
  • Continuous
  • 2 DCY
-- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .
P0091 Fuel Pressure Regulator 1 Control Circuit Low Metering unit / fuel volume regulator Short to Ground
  • Diagnostic signal from output driver
  • Output driver = OFF Status
  • 230 - 290 ms
  • Continuous
  • 2 DCY
-- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .
P0092 Fuel Pressure Regulator 1 Control Circuit High Metering unit / fuel volume regulator Short to Battery Voltage
  • Diagnostic signal from output driver
  • Output driver = ON Status
  • 230 - 290 ms
  • Continuous
  • 2 DCY
-- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .
P00A1 Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 2 Charge air temperature sensor downstream charge air cooler cross check of temperature sensors at cold start conditions
  • Temperature difference to at least 4 other temperature sensors during cold start > 30 K
  • Engine off time > 25, 200 s
  • Coolant temperature 1 or 2 at engine start < 60° C
  • Decrease of coolant temperature 1 or 2 after 60 s after engine start < 5 - 10K (2 - 8K in case of block heater installation coded)
  • Decrease of intake air temperature and environmental temperature from start temperatures after continuous driving with vehicle speed above 40 km/h for 20 s < 8 K
  • Total ECU ON time without engine start < 300 s
  • MIL not illuminated for DTCs: P2185, P2184, P0116, P0118, P0117, P0128
  • 20 ms
  • Once/ DCY
  • 2 DCY with cold start
-- Check The Charge Air Temperature Sensor After Charge Air Cooler -G811- Refer to Charge Air Temperature Sensor After Charge Air Cooler -G811-, CHECKING 
P00AF  Turbocharger/Supercharger Boost Control A Module Performance Turbo charger actuator position control loop Comparison of actual and desired position signal
  • Control deviation > 30%; < -30%
  • Position sensor (jammed valve - open) ≥ 17%
  • Time after start > 9.6 ms
  • 16 s
  • 2 DCY
-- Check the Charge Pressure Actuator Position Sensor -G581-. Refer to Charge Pressure Actuator Position Sensor - G581-, CHECKING .-- Check the Wastegate Bypass Regulator Valve -N75-. Refer to Wastegate Bypass Regulator Valve -N75-, CHECKING .
  • Control deviation > 30% < -30%
  • Position sensor (jammed valve - closed) < 17%
  • Time after start > 9.6 ms
  • Disable conditions: MIL not illuminated for DTCs: P00AF, P0651, P2565, P2564
  • 16 s
P00BC Mass or Volume Air Flow "A" Circuit Range/Performance - Air Flow Too Low Mass Air Flow Sensor Adaptation
  • Number of learning points at air mass flow sensor adaptation upper limit >= 4
  • At upper limit = limit from map f (engine speed, engine torque)
 
  • 20 ms
  • 2 DCY
-- Check The Mass Air Flow (MAF) Sensor -G70-. Refer to Mass Airflow Sensor -G70-, CHECKING .
P00BD Mass or Volume Air Flow "A" Circuit Range/Performance - Air Flow Too High Mass Air Flow Sensor Adaptation
  • Number of learning points at air mass flow sensor adaptation lower limit >= 4
  • At lower limit = limit from map f (engine speed, engine torque)
  • Disable conditions: MIL not illuminated for DTCs: P0103, P0102, P0104
  • 20 ms
  • 2 DCY
-- Check The Mass Air Flow (MAF) Sensor -G70-. Refer to Mass Airflow Sensor -G70-, CHECKING .
P00C6 Fuel Rail Pressure Too Low - Engine Cranking Bank 1 Monitoring of Rail Pressure during Engine Start (Cranking)
  • Fuel rail pressure is < 120 - 180 bar
  • Ambient temperature > -7° C
  • Battery voltage before cranking > 9.5 V
  • Ambient pressure > 740 hPa
  • Engine speed > 75 RPM
  • Engine condition = cranking
  • 20, 000 ms
  • Continuous
  • 2 DCY
-- Check the Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .-- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator Valve - N276-, CHECKING .-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING .
P0101 "Mass or Volume Air Flow Circuit Range/Performance" Mass Air Flow Circuit Plausibility check Plausibility check by model air mass min.
  • Ratio of model air mass and actual airflow mass < 0.85 [-]
  • Engine Running
  • EGR valve < 1.0%
  • Fuel quantity < 0.2 mg/stroke
  • Engine speed > 1, 000 or < 2, 500 RPM
  • ECT > 59.96° C
  • Exhaust flap < 1.0%
  • EGR valve low pressure < 1.0%
  • Throttle valve < 1.0%
  • Boost pressure > 0 hPa
  • Time after engine start > 1.0 s
  • Ambient pressure > 600hPa
  • VVT Actuator < n.a.
  • 8000 ms
  • 2 DCY
-- Check The Mass Air Flow (MAF) Sensor -G70-. Refer to Mass Airflow Sensor -G70-, CHECKING .
Plausibility check by model air mass max.
  • Ratio of model air mass and actual airflow mass > 1.16 [-]
  • Engine condition = running
  • EGR-valve < 1.0 %
  • Fuel quantity < 0, 2 mg/stroke
  • Engine speed > 1000 RPM < 2500 RPM
  • Coolant temperature > 59, 96° C
  • Exhaust flap < 1.0 %
  • LP EGR valve < 1.0 %
  • Throttle valve < 1.0 %
  • Boost pressure < 3500 hPa
  • Time after engine start > 1 s
  • Ambient pressure > 600 hPa
  • VVT-actuator < n.a.
  • Disable conditions: MIL not illuminated for DTCs: P0103, P0102, P0104, P0236, P2279, P0118, P0117, P046C, P0403, P0634,
Mass Air Flow Circuit Range Check High Temp. Calculated Value
  • PWM signal period time > 60 ms
  • Engine running
  • Battery Voltage > 9.5 V
  • 600 ms
Mass Air Flow Circuit Range Check Low Temp. Calculated Value
  • PWM signal period time < 40 ms
  • Engine running
  • Battery Voltage > 9.5 V
P0102 Mass or Volume Air Flow Circuit Low Input Mass Air Flow Circuit signal range check low raw value Range check low Raw value:
  • PWM signal period time > 71.4 μs (900 kg/h)
  • Engine condition = running
  • Battery voltage > 9.5 V
  • 600 ms
  • 2 DCY
-- Check The Mass Air Flow (MAF) Sensor -G70-. Refer to Mass Airflow Sensor -G70-, CHECKING .
 
P0103 Mass or Volume Air Flow Circuit High Input Mass Air Flow Circuit signal range check high raw value Range check High Raw value:
  • Raw value PWM signal period time > 833, 35 μs (-150 kg/h)
  • Engine running
  • Battery voltage > 9.5 V
  • 600 ms
  • 2 DCY
-- Check The Mass Air Flow (MAF) Sensor -G70-. Refer to Mass Airflow Sensor -G70-, CHECKING .
 
P0104 Mass or Volume Air Flow Circuit Intermittent Mass Air Flow Open Circuit
  • Internal test
  • Engine running
  • Battery voltage > 7.5 V
  • 500 ms
  • 2 DCY
-- Check The Mass Air Flow (MAF) Sensor -G70-. Refer to Mass Airflow Sensor -G70-, CHECKING .
P0111 Intake Air Temperature Sensor 1 Bank 1 Circuit Range/Performance Intake air temperature at airflow sensor plausibility with ambient temperature sensor after engine cold start
  • Difference ambient temperature sensor and environmental temperature signal > f (env. temp; air mass flow)
  • Gear = not reverse
  • Environmental pressure > 750 hPa
  • Engine off time > 25, 200 s
  • Absolute difference between unfiltered and filtered environmental temperature < 3.0 K
  • Time after engine start 45.0 - 450 s
  • Engine = running
  • Mass air flow > 45.00 kg/h
  • Vehicle speed 40 - 160 km/h
  • Time delay after vehicle speed >= 20.0 s
  • Maximum uninterrupted length of time where vehicle speed <= 300 s
  • Coolant temperature 1 or 2 at engine start < 60° C
  • decrease of coolant temperature 1 or 2 after engine start < 5 - 10K (2 - 8K in case of block heater installation coded)
  • Decrease of intake air temperature and environmental temperature from start temperatures after continuous driving with vehicle speed above 40 km/h for 20 s < 8 K
  • Ambient temperature signal = no fault
  • Intake air temperature signal = no fault
  • MIL not illuminated for DTCs: P0103, P0102, P0101, P0104, P0607, U0422, P0070, P0072, P0071, U0323
  • 20 ms
  • Once/ DCY
  • 2 DCY
-- Check Intake Air Temperature Sensor -G42-. Refer to Intake Air Temperature Sensor -G42-, CHECKING .
  • Difference ambient temperature sensor and environmental temperature signal < f (env. temp; air mass flow)
P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance Coolant temperature sensor engine downstream warm up time plausibility
  • Time for coolant temp to reach 19.96° C or increase by 10° K > 300 s for start temp. < 10° C
OR
  • > 120 s. for start temp > 10° C
  • ECT start temp. < 19.96° C
  • ECT Sensor = No Fault
-- Note: timer is paused if engine speed < 1400 RPM or fuel quantity < 9 mg/Stroke
  • Disable conditions: MIL not illuminated for DTCs: P0116, P0118, P0117, P0128
  • 480 ms
  • Continuous
  • 2 DCY
-- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
Coolant temperature sensor engine downstream cross check of temperature sensors at cold start conditions
  • Temperature difference to at least 4 other temperature sensors during cold start > 20 K
  • Engine off time > 25, 200 s
  • Coolant temperature 1 or 2 at engine start < 60° C
  • Decrease of coolant temperature 1 or 2 after 60 s after engine start < 5 - 10K (2 - 8K in case of block heater installation coded)
  • Decrease of intake air temperature and environmental temperature from start temperatures after continuous driving with vehicle speed above 40 km/h for 20 s < 8 K
  • Total ECU ON time without engine start < 300 s
  • 20 ms
  • Once/ DCY
  • 2 DCY with cold start
P0117 Engine Coolant Temperature Sensor 1 Circuit Low Coolant temperature sensor engine downstream signal range check low
  • Signal voltage < 0.15 V
 
  • 480 ms
  • Continuous
  • 2 DCY
-- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0118 Engine Coolant Temperature Sensor 1 Circuit High Coolant temperature sensor engine downstream signal range check high
  • Signal voltage > 3.25 V
 
  • 480 ms
  • Continuous
  • 2 DCY
-- Check the Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0121 Throttle / Pedal Position Sensor A Circuit Range/Performance Throttle valve actuator position sensor signal in desired range during closed position learning
  • Position sensor signal during closed position learning > 1118 mV; < 300 mV
  • Coolant temperature > -20.04° C; < 123.86° C
  • Battery Voltage > 9 V
  • 200 ms
  • 2 DCY
-- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .-- Check for any TSB's that may apply to this fault. If multiple codes are set, perform diagnosis for any fuel system, engine speed sensor, MAF or MAP related faults first.
Throttle valve actuator Physical signal range check high /low
  • Position sensor signal > 4745 mV; < 300 mV
  • ECM power stage state = ON
  • 480 ms
P0122 Throttle / Pedal Position Sensor A Circuit Low Input Throttle valve position sensor signal range check low
  • Position sensor signal > 4850 mV
 
  • 480 ms
  • 2 DCY
-- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .-- Check for any TSB's that may apply to this fault. If multiple codes are set, perform diagnosis for any fuel system, engine speed sensor, MAF or MAP related faults first.
P0123 Throttle / Pedal Position Sensor A Circuit High Input Throttle valve position sensor signal range check high
  • Position sensor signal < 150 mV
 
  • 480 ms
  • 2 DCY
-- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .-- Check for any TSB's that may apply to this fault. If multiple codes are set, perform diagnosis for any fuel system, engine speed sensor, MAF or MAP related faults first.
P0128 Coolant Thermostat Coolant Temperature Below Thermostat Regulating Temperature Thermostat plausibility check
  • Measured temperature < 61° C
  • Model temperature > 80° C
  • ECT at start < 60° C and/or > -10.4° C
  • Engine speed > 500 RPM
  • Testing time < 1, 200 s
  • Coolant temperature sensor = no fault
  • Environmental temperature sensor = no fault
  • Vehicle speed signal = no fault
Model release conditions:
  • Increase of ECT > 3 K
  • Time since release conditions are met > 300 s
Restart condition: ECT drops after passing thermostat test below < 60° C
  • Disable conditions: MIL not illuminated for DTCs: P0128, P0116, P0118, P0117
  • 20 ms
  • Continuous if restart conditions are met
  • 2 DCY
-- Check the thermostat for proper operation. Refer to the Service Information for Diagnostic.-- Check The Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .-- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P0131 O2 Sensor Circuit Bank 1 Sensor 1 Low Voltage Oxygen sensor LSU short to ground overvoltage check, HW: comparators, SW: measured voltages
  • Voltage at sensor pump current, virtual ground, trim current or nemst current < -0.15 V
OR
  • Internal check of voltages at calibration resistance < -0.07 V
  • Disable conditions: MIL not illuminated for DTCs: P2237, P2251, P2626, P2243, P0132, P0131, P0606
  • 2 s
  • Continuous
  • 2 DCY
-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P0132 O2 Sensor Circuit Bank 1 Sensor 1 High Voltage Oxygen sensor LSU short to battery plus overvoltage check, HW: comparators, SW: measured voltages
  • Voltage at sensor pump current, virtual ground, trim current or nemst current > 9.8 V
  • OR
  • Voltage at calibration resistance > 4.0 V
  • OR
  • Internal check of voltages at calibration resistance > 0.07 V
  • Disable conditions: MIL not illuminated for DTCs: P2237, P2251, P2626, P2243, P0132, P0131, P0606
  • 2 s
  • Continuous
  • 2 DCY
-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P0133  O2 Sensor Circuit Bank 1 Sensor 1 Slow Response Oxygen sensor LSU dynamic check (comparison of signal energy of high pass filtered lambda signals)
  • Ratio of measured and modeled lambda signal energy > 0.9
  • Ratio of measured and modeled lambda signal energy > 1
  • Modeled dewpoint = exceeded
  • O2 sensor heater control = active
  • O2 sensor adaptation = realized
  • Exhaust mass flow > 60 kg/h
  • Vehicle speed > 8 km/h
  • Battery voltage > 10.7 V
  • Operating mode = no DPF regeneration
  • Post fuel injection = not active
  • Environmental temp > -7° C
  • Environmental pressure > 740 hPa
  • Evaluation of the signal energies if:
  • Modeled energy signal > 0.0003
  • Modeled signal energy > 0.0002
  • Integration active for > 100 s
  • Integrators will be reset if
  • Integration active for > 240 s
  • Disable conditions: MIL not illuminated for DTCs: P0103, P0102, P0101, P0403, P042F, P042E, P045A, P045F, P045E, P0607, P0238, P0237, P0123, P0122, P0045, P0634, P0048, P0047, P2565, P2564.
  • 2 signal energy evaluation events
  • 2 DCY
-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P0135 O2 Sensor Heater Circuit Bank 1 Sensor 1 Malfunction" Oxygen sensor LSU heater (control) rationality check
  • HO2S ceramic temp. < 720° C
  • No fuel cut off > 50 s
  • Dew point = exceeded
  • Heater Control Closed loop
  • Disable conditions: MIL not illuminated for DTCs: P2251, P2243, P0135, P0032, P0031, P0030, P2237, P2626, P0132, P0131, P0606
  • 60 s
  • 2 DCY
-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
 
 
 
 
P0181 Fuel Temperature Sensor A Circuit Range/Performance Fuel Temperature Sensor cross check of temperature sensors (engine part) at cold start conditions
  • Temperature difference to at least 4 other temperature sensors during cold start > 30 K
  • Engine off time > 25, 200 s
  • Coolant temperature 1 or 2 at engine start < 60° C
  • Decrease of coolant temperature 1 or 2 after 60 s after engine start < 5 - 10K (2 - 8K in case of block heater installation coded)
  • Decrease of intake air temperature and environmental temperature from start temperatures after continuous driving with vehicle speed above 40 km/h for 20 s < 8 K
  • Total ECU ON time without engine start < 300 s
  • 20 ms
  • Once/ DCY
  • 2 DCY
-- Check Fuel Temperature Sensor -G81-. Refer to Fuel Temperature Sensor -G81-, CHECKING .
P0182 Fuel Temperature Sensor A Circuit Low Input Fuel Temperature Sensor signal range check low
  • Fuel temperature sensor voltage < 0.05 V
 
  • 480 ms
  • Once / driving cycle
  • 2 DCY
-- Check Fuel Temperature Sensor -G81-. Refer to Fuel Temperature Sensor -G81-, CHECKING .
P0183 Fuel Temperature Sensor A Circuit High Input Fuel Temperature Sensor signal range check high
  • Fuel temperature sensor voltage > 4.7 V
 
  • 480 ms
  • Once / driving cycle
  • 2 DCY
-- Check Fuel Temperature Sensor -G81-. Refer to Fuel Temperature Sensor -G81-, CHECKING .
P190B Coolant pump for charge air cooling Temperature shutdown Water pump for charge air intercooler coolant pump overheated
  • Diagnostic signal from output driver
  • Disable conditions MIL not illuminated for DTC's P023A, P023C, P023B
  • 3 attempts / 9 s
  • 2 DCY
-- Check the Charge Air Cooling Pump -V188-. Refer to Charge Air Cooling Pump -V188-, CHECKING 
P190D Coolant pump for charge air cooling Mechanical failure Water pump for charge air intercooler coolant pump blocked
  • Diagnostic signal from output driver
 
  • 3 attempts / 7.5 s
  • 2 DCY
-- Check the Charge Air Cooling Pump -V188-. Refer to Charge Air Cooling Pump -V188-, CHECKING 
Water pump for charge air intercooler min speed not reached
  • 3 attempts / 11.5 s
P190E Coolant pump for charge air cooling Supply voltage Water pump for charge air intercooler missing live signal
  • Diagnostic signal from output driver
 
  • 60 s
  • 2 DCY
-- Check the Charge Air Cooling Pump -V188-. Refer to Charge Air Cooling Pump -V188-, CHECKING 
P0191 Fuel Rail Pressure Sensor Circuit Range/Performance Bank 1 Fuel rail pressure sensor Offset detection during ECU keep alive time
  • Sensor voltage < 428 mV or > 601 mV
  • Engine condition = key OFF, engine OFF, ECU on
  • fuel temperature > -50° C
  • Fuel high pressure control valve electric current <= 0.15 A
  • Disable conditions: MIL not illuminated for DTCs: P0118, P0117, P0321, P0322, P0193, P0192
  • 100 ms
  • 2 DCY
-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING .
Fuel rail pressure sensor adaptation of pressure control valve (PCV) characteristic curve by comparison of fuel pressure sensor value and calc. value by PCV duty cycle
  • Adaptation value out of limits > 140 % or < 70 %
  • Fuel temperature > -7° C or < 70° C
  • Rail pressure setpoint > 700 bar or < 1300 bar
  • Gradient of rail pressure setpoint < 400 bar/s
  • Gradient of PCV > 25.2 bar / s
  • Current setpoint < 300 mA/s.
P0192 Fuel Rail Pressure Sensor Circuit Low Bank 1 Fuel rail pressure sensor signal range check high/low
  • Sensor voltage < 305 mV
 
  • 140 ms
  • Continuous
  • 2 DCY
-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING .
P0193 Fuel Rail Pressure Sensor Circuit High Bank 1 Fuel rail pressure sensor signal range check high/low
  • Sensor voltage > 4749 mV
 
  • 140 ms
  • Continuous
  • 2 DCY
-- Check Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor - G247-, CHECKING .
P0201 Cylinder 1 Injector "A" Circuit Cylinder 1 Injector Circuit Open / short circuit
  • Diagnostic signal from output driver = characteristic error pattern
  • Injection condition = injection on
  • 4 [injections]
  • Continuous
  • 2 DCY
-- Check the Cylinder 1 Fuel Injector -N30-. Refer to Fuel Injector --, CHECKING .
P0202 Cylinder 2 Injector "A" Circuit Cylinder 2 Injector Circuit Open / short circuit
  • Diagnostic signal from output driver = characteristic error pattern
  • Injection condition = injection on
  • 4 [injections]
  • Continuous
  • 2 DCY
-- Check the Cylinder 2 Fuel Injector -N31-. Refer to Fuel Injector --, CHECKING .
P0203 Cylinder 3 Injector "A" Circuit Cylinder 3 Injector Circuit Open / short circuit
  • Diagnostic signal from output driver = characteristic error pattern
  • Injection condition = injection on
  • 4 [injections]
  • Continuous
  • 2 DCY
-- Check the Cylinder 3 Fuel Injector -N32-. Refer to Fuel Injector --, CHECKING .
P0204 Cylinder 4 Injector "A" Circuit Cylinder 4 Injector Circuit Open / short circuit
  • Diagnostic signal from output driver = characteristic error pattern
  • Injection condition = injection on
  • 4 [injections]
  • Continuous
  • 2 DCY
-- Check the Cylinder 4 Fuel Injector -N33-. Refer to Fuel Injector --, CHECKING .
P020A Cylinder 1 Injection Timing Position control loop main combustion comparison of actual and desired position main combustion (positive and negative control error) cylinder #1
  • Control error < limit from MAP (engine speed and desired torque) -8° CA - -4° CA
OR
  • Control error > limit from MAP (engine speed and desired torque) +8° CA - +4° CA
  • Engine condition running
  • Control mode in closed loop
  • Coolant temperature > 50° C
  • Environmental pressure > 750 hPa
  • Time since engine start > 30 s
  • Regeneration = off
  • 120 Rev
  • 2 DCY
-- Check Camshaft Position Sensor -G40- Refer to Camshaft Position Sensor -G40-, CHECKING -- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to Fuel Injector --, CHECKING .
P020B Cylinder 2 Injection Timing Position control loop main combustion comparison of actual and desired position main combustion (positive and negative control error) cylinder #2
  • Control error < limit from MAP (engine speed and desired torque) -8° CA - -4° CA
OR
  • Control error > limit from MAP (engine speed and desired torque) +8° CA - +4° CA
  • Engine condition running
  • Control mode in closed loop
  • Coolant temperature > 50° C
  • Environmental pressure > 750 hPa
  • Time since engine start > 30 s
  • Regeneration = off
  • 120 Rev
  • 2 DCY
-- Check Camshaft Position Sensor -G40- Refer to Camshaft Position Sensor -G40-, CHECKING -- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to Fuel Injector --, CHECKING .
P020C Cylinder 3 Injection Timing Position control loop main combustion comparison of actual and desired position main combustion (positive and negative control error) cylinder #3
  • Control error < limit from MAP (engine speed and desired torque) -8° CA - -4° CA
OR
  • Control error > limit from MAP (engine speed and desired torque) +8° CA - +4° CA
  • Engine condition running
  • Control mode in closed loop
  • Coolant temperature > 50° C
  • Environmental pressure > 750 hPa
  • Time since engine start > 30 s
  • Regeneration = off
  • 120 Rev
  • 2 DCY
-- Check Camshaft Position Sensor -G40- Refer to Camshaft Position Sensor -G40-, CHECKING -- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to Fuel Injector --, CHECKING .
P020D Cylinder 4 Injection Timing Position control loop main combustion comparison of actual and desired position main combustion (positive and negative control error) cylinder #4
  • Control error < limit from MAP (engine speed and desired torque) -8° CA - -4° CA
OR
  • Control error > limit from MAP (engine speed and desired torque) +8° CA - +4° CA
  • Engine condition running
  • Control mode in closed loop
  • Coolant temperature > 50° C
  • Environmental pressure > 750 hPa
  • Time since engine start > 30 s
  • Regeneration = off
  • Disable conditions: MIL not illuminated for DTCs: P2279, P0321, P0322, P2080, P2146, P2149, P0201, P0203, P0204, P0202, P0238, P0237, P242C, P2470, P0545, P0641, P0651, P0121, P2100, P0634, P2103, P2102, P2101, P0606, P2112, P2111, P0123, P0122, P2563, P00AF, P0045, P0048, P0047, P2565, P2564, P0103, P0102, P0101, P0104, P0116, P0118, P0117, P0403, P042F, P042E, P0406, P0405, P0607, U0422, U0323, P2031, P0544, P2032, P00A3, P00A2, U0415
  • 120 Rev
  • 2 DCY
-- Check Camshaft Position Sensor -G40- Refer to Camshaft Position Sensor -G40-, CHECKING -- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .-- Check Fuel Injectors -N30, N31, N32, N33-. Refer to Fuel Injector --, CHECKING .
P0230 Fuel Pump Primary Circuit (only Golf) Electric Fuel Pump Short Circuit
  • Diagnostic signal from output driver
 
  • 1580 ms
  • 2 DCY
-- Check The Fuel Delivery Unit -GX1- Refer to Fuel Delivery Unit -GX1-, Fuel Pump Relay -J17- CHECKING  OR Fuel Pump Control Module - J538- / Fuel Delivery Unit -GX1-, CHECKING 
Electric Fuel Pump electric fault circuit
  • 1780 ms
P0234  Turbo/Super Charger Overboost Condition Boost pressure control loop comparison of actual and desired boost-pressure
  • Control deviation (or deviation of boost and ambient pressure if in open loop mode) > 400 - 800 hPa
  • Engine condition running
  • Disable conditions: MIL not illuminated for DTCs: P0237, P0238
  • 7, 000 - 12, 000 ms
  • Continuous
  • 2 DCY
-- Check Charge Air Pressure Sensor -G31-. Refer to Charge Air Pressure Sensor - G31-, CHECKING .
P0236 Turbocharger Boost Sensor (A) Circuit Range/Performance Boost pressure sensor plausibility with barometric pressure sensor before engine start
  • Difference between barometric and boost pressure signal > 150 hPa
  • Engine speed < 50 RPM
  • Ambient pressure signal = no faults
  • Boost pressure signal = no fault
  • 540 ms
  • 2 DCY
-- Check Charge Air Pressure Sensor -G31-. Refer to Charge Air Pressure Sensor - G31-, CHECKING .
P0237 Turbocharger Boost Sensor (A) Circuit Low Input Boost pressure sensor signal range check
  • Boost pressure sensor voltage < 0.214 V
  • Engine running
  • Disable conditions: MIL not illuminated for DTCs: P0651
  • 480 ms
  • 2 DCY
-- Check Charge Air Pressure Sensor -G31-. Refer to Charge Air Pressure Sensor - G31-, CHECKING .
P0238 Turbocharger Boost Sensor (A) Circuit High Input Boost pressure sensor signal range check
  • Boost pressure sensor voltage > 4.88 V
  • Engine running
  • Disable conditions: MIL not illuminated for DTCs: P0651
  • 480 ms
  • 2 DCY
-- Check Charge Air Pressure Sensor -G31-. Refer to Charge Air Pressure Sensor - G31-, CHECKING .
P023A Charge Air Cooler Coolant Pump Control Circuit/Open Water pump for charge air intercooler open circuit
  • Diagnostic signal from output driver
  • Output driver state = OFF
  • 480 ms
  • 2 DCY
-- Check the Charge Air Cooling Pump -V188-. Refer to Charge Air Cooling Pump -V188-, CHECKING 
P023B Charge Air Cooler Coolant Pump Control Circuit Low Water pump for charge air intercooler short to ground
  • Diagnostic signal from output driver
  • Output driver state = OFF
  • 4, 000 ms
  • 2 DCY
-- Check the Charge Air Cooling Pump -V188-. Refer to Charge Air Cooling Pump -V188-, CHECKING 
P023C Charge Air Cooler Coolant Pump Control Circuit High Water pump for charge air intercooler short to battery plus
  • Diagnostic signal from output driver
  • Output driver state = ON
  • 480 ms
  • 2 DCY
-- Check the Charge Air Cooling Pump -V188-. Refer to Charge Air Cooling Pump -V188-, CHECKING 
P025A Fuel Pump Module Control Circuit/Open Electric fuel pump output driver open circuit
  • Diagnostic signal from output driver
  • Output driver state = OFF
  • 480 ms
  • Continuous
  • 2 DCY
-- Check The Fuel Delivery Unit -GX1- Refer to Fuel Delivery Unit -GX1-, Fuel Pump Relay -J17- CHECKING  OR Fuel Pump Control Module - J538- / Fuel Delivery Unit -GX1-, CHECKING 
P025C Fuel Pump Module Control Circuit Low Electric fuel pump output driver short to ground
  • Diagnostic signal from output driver
  • Output driver state = OFF
  • 900 ms
  • Continuous
  • 2 DCY
-- Check The Fuel Delivery Unit -GX1- Refer to Fuel Delivery Unit -GX1-, Fuel Pump Relay -J17- CHECKING  OR Fuel Pump Control Module - J538- / Fuel Delivery Unit -GX1-, CHECKING 
P025D Fuel Pump Module Control Circuit High Electric fuel pump output driver short to battery plus
  • Diagnostic signal from output driver
  • Output driver state = ON
  • 480 ms
  • Continuous
  • 2 DCY
-- Check The Fuel Delivery Unit -GX1- Refer to Fuel Delivery Unit -GX1-, Fuel Pump Relay -J17- CHECKING  OR Fuel Pump Control Module - J538- / Fuel Delivery Unit -GX1-, CHECKING 
P0263  Cylinder 1 Contribution/Balance Cylinder 1 monitoring of zero fuel calibration values
  • Calibration value of injector energizing time > 211μs 236μs 382μs (depends on rail pressure); < 126μs 119μs 112μs (depends on rail pressure)
Enable conditions for adaptation:
  • Engine speed > 1, 050 RPM or < 2, 200 RPM
  • Fuel temperature > 0° C or < 80° C
  • Intake air temp > 20° C
  • ECT > 60° C
  • Boost pressure > 880 hpa
  • Ambient pressure > 700 hPa
  • Gear 3, 4, or 5th
  • Engine condition: Fuel cutoff Off and inactive regeneration
  • Absolute value of rail pressure deviation < 18 - 25 bar (depends on rail pressure)
  • Modeled condition of combustion chamber = sufficient hot (approx. for 15 s after start of fuel cut valid)
  • Disable conditions (Disable adaption): MIL not illuminated for DTCs: P0118, P0117, P0321, P0322, P0183, P0182, P2149, P0201, P0203, P0204, P0202, P0238, P0237, P0087, P0088, P0191, P0193, P0192, P0641,
  • adaption: < 3, 000 miles
  • Continuous
  • 2 DCY
-- Check the Glow Plug 1 -QX1-. Refer to Glow Plug 1 -QX1-, CHECKING .-- Check the Cylinder 1 Fuel Injector -N30-. Refer to Fuel Injector --, CHECKING .
  • learning point at valve closing time adaptation limits
  • Upper limit > 64, 8 μs
  • Lower limit < -60 μs
  • Engine-temperature > -7° C
  • 10 injections
  • Continuous
P0266  Cylinder 2 Contribution/Balance Cylinder 2 monitoring of fuel calibration values
  • Calibration value of injector energizing time > 211μs 236μs 382μs (depends on rail pressure); < 126μs 119μs 112μs (depends on rail pressure)
Enable conditions for adaptation:
  • Engine speed > 1, 050 RPM or < 2, 200 RPM
  • Fuel temperature > 0° C or < 80° C
  • Intake air temp > 20° C
  • ECT > 60° C
  • Boost pressure > 880 hpa
  • ambient pressure > 700 hPa
  • Gear 3, 4, or 5th
  • Engine condition: Fuel cutoff Off and inactive regeneration
  • Absolute value of rail pressure deviation < 18 - 25 bar (depends on rail pressure)
  • Modeled condition of combustion chamber = sufficient hot (approx. for 15 s after start of fuel cut valid)
  • Disable conditions (Disable adaption): MIL not illuminated for DTCs: P0118, P0117, P0321, P0322, P0183, P0182, P2149, P0201, P0203, P0204, P0202, P0238, P0237, P0087, P0088, P0191, P0193, P0192, P0641,
  • adaption: < 3, 000 miles
  • Continuous
  • 1 DCY
-- Check the Glow Plug 2 -QX2-. Refer to Glow Plug 2 -QX2-, CHECKING .-- Check the Cylinder 2 Fuel Injector -N31-. Refer to Fuel Injector --, CHECKING .
  • learning point at valve closing time adaptation limits
  • Upper limit > 64, 8 μs
  • Lower limit < -60 μs
  • Engine-temperature > -7° C
  • 10 injections
  • Continuous
P0269  Cylinder 3 Contribution/Balance Cylinder 3 monitoring of fuel calibration values
  • Calibration value of injector energizing time > 211μs 236μs 382μs (depends on rail pressure); < 126μs 119μs 112μs (depends on rail pressure)
Enable conditions for adaptation:
  • Engine speed > 1, 050 RPM or < 2, 200 RPM
  • Fuel temperature > 0° C or < 80° C
  • Intake air temp > 20° C
  • ECT > 60° C
  • Boost pressure > 880 hpa
  • Ambient pressure > 700 hPa
  • Gear 3, 4, or 5th
  • Engine condition: Fuel cutoff Off and inactive regeneration
  • Absolute value of rail pressure deviation < 18 - 25 bar (depends on rail pressure)
  • Modeled condition of combustion chamber = sufficient hot (approx. for 15 s after start of fuel cut valid)
  • Disable conditions (Disable adaption): MIL not illuminated for DTCs: P0118, P0117, P0321, P0322, P0183, P0182, P2149, P0201, P0203, P0204, P0202, P0238, P0237, P0087, P0088, P0191, P0193, P0192, P0641,
  • adaption: < 3, 000 miles
  • Continuous
  • 1 DCY
-- Check the Glow Plug 3 -QX3-. Refer to Glow Plug 3 -QX3-, CHECKING .-- Check the Cylinder 3 Fuel Injector -N32-. Refer to Fuel Injector --, CHECKING .
  • learning point at valve closing time adaptation limits
  • Upper limit > 64, 8 μs
  • Lower limit < -60 μs
  • Engine-temperature > -7° C
  • 10 injections
  • Continuous
P026A  Charge Air Cooler Efficiency Below Threshold Charge air intercooler monitoring of temperature difference (control error) between set point and measured value
  • Control error out of range > limit given by model
  • ECT > 50° C; < 125° C
  • Vehicle speed > 42 km/h; < 190 km/h
  • Engine condition = running
  • Inhibiting by heat accumulation model = not active
  • Difference between raw and filtered ambient temperature < 5° C
  • Ambient temp > -15° C and/or < 45° C
  • Baro > 750 hPa; < 1150 hPa
  • Engine torque > 20 Nm
  • Gear = Not Reverse
  • Water pump for charge air intercooler duty cycle > 0.23
  • Disable conditions: MIL not illuminated for DTCs: P023A, P023B, P0634, P190D, P190B, P190E, P16BA, P0 607, P0641, P0236, P0070, P0071, P0072, U0232, U0423, P00A2, P00A2, P007C, P007D, P0117, P0118, U0415, U1017, P0501, P0502
  • 70 s
  • Continuous
  • 2 DCY
-- Check the air to air intercooler in front of the radiator for debris obstructing the cooling fins, restricted or collapsed hoses, damaged or missing lower fascia or splash shield. Correct the condition and clear the DTC. Test drive vehicle.-- Check the Charge Air Pressure Sensor -G31-. Refer to Charge Air Pressure Sensor - G31-, CHECKING .
P0272  Cylinder 4 Contribution/Balance Cylinder 4 monitoring of fuel calibration values
  • Calibration value of injector energizing time > 211μs 236μs 382μs (depends on rail pressure); < 126μs 119μs 112μs (depends on rail pressure)
Enable conditions for adaptation:
  • Engine speed > 1, 050 RPM or < 2, 200 RPM
  • Fuel temperature > 0° C or < 80° C
  • Intake air temp > 20° C
  • ECT > 60° C
  • Boost pressure > 880 hpa
  • Ambient pressure > 700 hPa
  • Gear 3, 4, or 5th
  • Engine condition: Fuel cutoff Off and inactive regeneration
  • Absolute value of rail pressure deviation < 18 - 25 bar (depends on rail pressure)
  • Modeled condition of combustion chamber = sufficient hot (approx. for 15 s after start of fuel cut valid)
  • Disable conditions (Disable adaption): MIL not illuminated for DTCs: P0118, P0117, P0321, P0322, P0183, P0182, P2149, P0201, P0203, P0204, P0202, P0238, P0237, P0087, P0088, P0191, P0193, P0192, P0641,
  • adaption: < 3, 000 miles
  • Continuous
  • 1 DCY
-- Check the Glow Plug 4 -QX4-. Refer to Glow Plug 4 -QX4-, CHECKING .-- Check the Cylinder 4 Fuel Injector -N33-. Refer to Fuel Injector --, CHECKING .
  • learning point at valve closing time adaptation limits
  • Upper limit > 64, 8 μs
  • Lower limit < -60 μs
  • Engine-temperature > -7° C
  • 10 injections
  • Continuous
P0299  Turbo/Super Charger Underboost Charge Air Boost Pressure Rationality Check High
  • Absolute value of control deviation < -300 - -800 hPa
  • Engine condition running
  • Disable conditions: MIL not illuminated for DTCs: P0237, P0238
  • 7, 000 - 12, 000 ms
  • Continuous
  • 2 DCY
-- Check the Charge Air Pressure Sensor -G31-. Refer to Charge Air Pressure Sensor - G31-, CHECKING .
P0300 Random/Multiple Cylinder Misfire Detected Misfire Detection Instantaneous Engine Speed Monitoring
  • Rise in engine speed after fuel injection calculated based on values from last two engine revolutions Error threshold: 180 counts over 440 crankshaft revolutions
  • Engine speed, > 750 RPM
  • Engine speed, < 1100 RPM
  • Fuel quantity > 2.5 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30° C
  • Time since start, > 5000 ms
  • Time since clutch status change, >1000 ms
  • Disable conditions: MIL not illuminated for DTCs: P0118, P0117, P2146, P2149, P0606, P0201, P0203, P0204, P0202, U0415
  • < 880 Engine Rev.
  • Once/ per DCY
  • 2 DCY
-- Check The Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .-- Check theCamshaft Position Sensor -G40-. Refer to Camshaft Position Sensor -G40-, CHECKING .-- Check for a plugged fuel filter or restricted/kinked line. Refer to Service Information-- Check Fuel Injectors --. Refer to Fuel Injector --, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Service Information for procedure
Misfire detection cylinder pressure sensor based calculated inner torque fall below threshold under positive torque engine speeds
  • Misfire rate within 1000 engine revolutions > 10%
  • Misfire event detection if actual inner torque < 2.5 Nm
  • Engine speed > 770 RPM
  • Engine speed < 4000 RPM
  • Fuel quantity > 4, 8 mg/stroke
  • Coolant temp > -7° C
  • Coolant temp < 124° C
  • Intake air temp > -7° C
  • Time since start > 5 - 20 s
  • Desired inner torque > 45 Nm
  • For > 1, 000 ms
  • Environmental pressure > 750 hPa
  • Ambient temperature > -7° C
  • Disable conditions: MIL not illuminated for DTCs: P0102, P0103, P0112, P0113, P0117, P0118, P0321, P0322, P13CE, P13CF, P13D0, P13D1, P13D2, P13D3, P13D4, P13D5, P13D6, P13D7, P13D8, P13D9, P13E0, P13E1, P13E2, P13E3, P0607
  • 4 times of detection with misfire rate > threshold value
  • Continuous
P0301  Cylinder 1 Misfire Detected Misfire Detection Instantaneous Engine Speed Monitoring
  • Rise in engine speed after fuel injection calculated based on values from last two engine revolutions Error threshold: 180 counts over 440 crankshaft revolutions
  • Engine speed, > 750 RPM
  • Engine speed, < 1100 RPM
  • Fuel quantity > 2.5 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30° C
  • Time since start, > 5000 ms
  • Time since clutch status change, >1000 ms
  • Disable conditions: MIL not illuminated for DTCs: P0118, P0117, P2146, P2149, P0606, P0201, P0203, P0204, P0202, U0415
  • < 880 Engine Rev.
  • Once/ per DCY
  • 2 DCY
-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .-- Check for a plugged fuel filter or restricted/kinked line. Refer to Service Information-- Check Fuel Injectors --. Refer to Fuel Injector --, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Service Information for procedure
Misfire detection cylinder pressure sensor based calculated inner torque fall below threshold under positive torque engine speeds
  • Misfire rate within 1000 engine revolutions > 10%
  • Misfire event detection if actual inner torque < 2.5 Nm
  • Engine speed > 770 RPM
  • Engine speed < 4000 RPM
  • Fuel quantity > 4, 8 mg/stroke
  • Coolant temp > -7° C
  • Coolant temp < 124° C
  • Intake air temp > -7° C
  • Time since start > 5 - 20 s
  • Desired inner torque > 45 Nm
  • For > 1, 000 ms
  • Environmental pressure > 750 hPa
  • Ambient temperature > -7° C
  • Disable conditions: MIL not illuminated for DTCs: P0102, P0103, P0112, P0113, P0117, P0118, P0321, P0322, P13CE, P13CF, P13D0, P13D1, P13D2, P13D3, P13D4, P13D5, P13D6, P13D7, P13D8, P13D9, P13E0, P13E1, P13E2, P13E3, P0607
  • 4 times of detection with misfire rate > threshold value
  • Continuous
P0302  Cylinder 2 Misfire Detected Misfire Detection Instantaneous Engine Speed Monitoring
  • Rise in engine speed after fuel injection calculated based on values from last two engine revolutions Error threshold: 180 counts over 440 crankshaft revolutions
  • Engine speed, > 750 RPM
  • Engine speed, < 1100 RPM
  • Fuel quantity > 2.5 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30° C
  • Time since start, > 5000 ms
  • Time since clutch status change, >1000 ms
  • Disable conditions: MIL not illuminated for DTCs: P0118, P0117, P2146, P2149, P0606, P0201, P0203, P0204, P0202, U0415
  • < 880 Engine Rev.
  • Once/ per DCY
  • 2 DCY
-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .-- Check for a plugged fuel filter or restricted/kinked line. Refer to Service Information-- Check Fuel Injectors --. Refer to Fuel Injector --, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Service Information for procedure
Misfire detection cylinder pressure sensor based calculated inner torque fall below threshold under positive torque engine speeds
  • Misfire rate within 1000 engine revolutions > 10%
  • Misfire event detection if actual inner torque < 2.5 Nm
  • Engine speed > 770 RPM
  • Engine speed < 4000 RPM
  • Fuel quantity > 4, 8 mg/stroke
  • Coolant temp > -7° C
  • Coolant temp < 124° C
  • Intake air temp > -7° C
  • Time since start > 5 - 20 s
  • Desired inner torque > 45 Nm
  • For > 1, 000 ms
  • Environmental pressure > 750 hPa
  • Ambient temperature > -7° C
  • Disable conditions: MIL not illuminated for DTCs: P0102, P0103, P0112, P0113, P0117, P0118, P0321, P0322, P13CE, P13CF, P13D0, P13D1, P13D2, P13D3, P13D4, P13D5, P13D6, P13D7, P13D8, P13D9, P13E0, P13E1, P13E2, P13E3, P0607
  • 4 times of detection with misfire rate > threshold value
  • Continuous
P0303  Cylinder 3 Misfire Detected Misfire Detection Instantaneous Engine Speed Monitoring
  • Rise in engine speed after fuel injection calculated based on values from last two engine revolutions Error threshold: 180 counts over 440 crankshaft revolutions
  • Engine speed, > 750 RPM
  • Engine speed, < 1100 RPM
  • Fuel quantity > 2.5 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30° C
  • Time since start, > 5000 ms
  • Time since clutch status change, >1000 ms
  • Disable conditions: MIL not illuminated for DTCs: P0118, P0117, P2146, P2149, P0606, P0201, P0203, P0204, P0202, U0415
  • < 880 Engine Rev.
  • Once/ per DCY
  • 2 DCY
-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .-- Check for a plugged fuel filter or restricted/kinked line. Refer to Service Information-- Check Fuel Injectors --. Refer to Fuel Injector --, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Service Information for procedure
Misfire detection cylinder pressure sensor based calculated inner torque fall below threshold under positive torque engine speeds
  • Misfire rate within 1000 engine revolutions > 10%
  • Misfire event detection if actual inner torque < 2.5 Nm
  • Engine speed > 770 RPM
  • Engine speed < 4000 RPM
  • Fuel quantity > 4, 8 mg/stroke
  • Coolant temp > -7° C
  • Coolant temp < 124° C
  • Intake air temp > -7° C
  • Time since start > 5 - 20 s
  • Desired inner torque > 45 Nm
  • For > 1, 000 ms
  • Environmental pressure > 750 hPa
  • Ambient temperature > -7° C
  • Disable conditions: MIL not illuminated for DTCs: P0102, P0103, P0112, P0113, P0117, P0118, P0321, P0322, P13CE, P13CF, P13D0, P13D1, P13D2, P13D3, P13D4, P13D5, P13D6, P13D7, P13D8, P13D9, P13E0, P13E1, P13E2, P13E3, P0607
  • 4 times of detection with misfire rate > threshold value
  • Continuous
P0304  Cylinder 4 Misfire Detected Misfire Detection Instantaneous Engine Speed Monitoring
  • Rise in engine speed after fuel injection calculated based on values from last two engine revolutions Error threshold: 180 counts over 440 crankshaft revolutions
  • Engine speed, > 750 RPM
  • Engine speed, < 1100 RPM
  • Fuel quantity > 2.5 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30° C
  • Time since start, > 5000 ms
  • Time since clutch status change, >1000 ms
  • Disable conditions: MIL not illuminated for DTCs: P0118, P0117, P2146, P2149, P0606, P0201, P0203, P0204, P0202, U0415
  • < 880 Engine Rev.
  • Once/ per DCY
  • 2 DCY
-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .-- Check for a plugged fuel filter or restricted/kinked line. Refer to Service Information-- Check Fuel Injectors --. Refer to Fuel Injector --, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Service Information for procedure
Misfire detection cylinder pressure sensor based calculated inner torque fall below threshold under positive torque engine speeds
  • Misfire rate within 1000 engine revolutions > 10%
  • Misfire event detection if actual inner torque < 2.5 Nm
  • Engine speed > 770 RPM
  • Engine speed < 4000 RPM
  • Fuel quantity > 4, 8 mg / stroke
  • Coolant temp > -7° C
  • Coolant temp < 124° C
  • Intake air temp > -7° C
  • Time since start > 5 - 20 s
  • Desired inner torque > 45 Nm
  • For > 1, 000 ms
  • Environmental pressure > 750 hPa
  • Ambient temperature > -7° C
  • Disable conditions: MIL not illuminated for DTCs: P0102, P0103, P0112, P0113, P0117, P0118, P0321, P0322, P13CE, P13CF, P13D0, P13D1, P13D2, P13D3, P13D4, P13D5, P13D6, P13D7, P13D8, P13D9, P13E0, P13E1, P13E2, P13E3, P0607
  • 4 times of detection with misfire rate > threshold value
  • Continuous
P0321 Ignition / Distributor Engine Speed Input Circuit Range/Performance Crank angle / engine speed sensor plausibility of crankshaft signal
  • Consecutive not plausible signals detected > 15
  • T15 = ON
  • 8 crankshaft revolutions
  • Continuous
  • 2 DCY
-- Check the Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .
P0322 Ignition / Distributor Engine Speed Input Circuit No Signal Crank angle / engine speed sensor plausibility (no increment signal)
  • Phase signals without plausible signals > 4 camshaft rotations
  • T15 = ON
  • Camshaft signal = plausible
  • Disable conditions: MIL not illuminated for DTCs: P0321, P0322, P0641
  • 8 crankshaft revolutions
  • Continuous
  • 2 DCY
-- Check the Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .
P0341 Camshaft Position Sensor Circuit Range/Performance Phase sensor for camshaft Signal Not Plausible
  • Pattern of the camshaft signal: number of camshaft edges / camshaft revolutions > 8 crankshaft revolutions
  • T15 = ON
  • Engine condition = cranking / running
  • 8 Crankshaft rotations
  • Continuous
  • 2 DCY
-- Check the Camshaft Position Sensor -G40- Refer to Camshaft Position Sensor -G40-, CHECKING 
P0381 Glow Plug/Heater Indicator Circuit Glow Plug Control Indicator Lamp error message from instrument panel
  • Receipt bit for lamp request bit (via CAN) = Not equal with lamp request bit.
  • Battery voltage > 9 V
  • Glow system active
  • 350 ms
  • Continuous
  • 2 DCY
-- Check the CAN Bus. Refer to appropriate Service Information.
P0383 Glow Plug Control Module Control Circuit Low Glow Plug Time Control Module Control Circuit Short to Ground
  • Diagnostic signal from output driver = 0 V
  • Output driver state = OFF
  • 500 ms
  • Continuous
  • 2 DCY
-- Check the Automatic Glow Time Control Module -J179-. Refer to.Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
P0401  Exhaust Gas Recirculation Flow Insufficient Detected EGR control loop EGR mass flow monitoring
  • Deviation of calculated EGR mass flow to EGR mass flow set point < limit from map f (engine speed, engine torque)
  • EGR mode closed loop
  • 5, 000 - 10, 000 ms
  • 2 DCY
-- Check The EGR Valve 1 -GX5-. Refer to EGR Valve 1 - GX5 -, CHECKING .-- Check the EGR Valve 2 -GX6-. Refer to EGR Valve 2 -GX6-, CHECKING .
P0402  Exhaust Gas Recirculation Flow Excessive Detected EGR control loop EGR mass flow monitoring
  • Deviation of calculated EGR mass flow to EGR mass flow set point > limit from map f (engine speed, engine torque)
  • EGR mode closed loop
  • P0045, P0047, P0048, P0112, P0113, P0117, P0118, P0191, P0192, P0193, P0201, P0202, P0203, P0204, P0234, P0236, P0237, P0238, P0299, P0321, P0322,
  • 5, 000 - 10, 000 ms
  • 2 DCY
-- Check The EGR Valve 1 -GX5-. Refer to EGR Valve 1 - GX5 -, CHECKING .-- Check the EGR Valve 2 -GX6-. Refer to EGR Valve 2 -GX6-, CHECKING .
P0403 Exhaust Gas Recirculation Circuit HP EGR Actuator Circuit Open load
  • Diagnostic signal from output driver
  • ECM power stage = Off
  • 600 ms
  • 2 DCY
-- Check The EGR Valve 1 -GX5-. Refer to EGR Valve 1 - GX5 -, CHECKING .
HP EGR Actuator Circuit Short to Ground or Malfunction Error
  • Diagnostic signal from output driver
  • ECM power stage = On
  • 480 ms
HP EGR Actuator Circuit Short to Battery Voltage
HP EGR Actuator Circuit Functional check: Stuck Close
  • Diagnostic signal from output driver
HP EGR Actuator Circuit Functional check: Stuck Open
  • Diagnostic signal from output driver
Comparison of actual and desired position signal
  • Control deviation > 10%; < -10%
  • Position sensor >= 10% or < 10%
 
  • 1500 ms
P0405 Exhaust Gas Recirculation Sensor A Circuit Low HP EGR Position Sensor signal range check low
  • Position sensor signal > 4745 mV
 
  • 480 ms
  • 2 DCY
-- Check the EGR Valve 1 -GX5-. Refer to EGR Valve 1 - GX5 -, CHECKING .
P0406 Exhaust Gas Recirculation Sensor A Circuit High HP EGR Position Sensor signal range check high
  • Position sensor signal < 255 mV
  • Disable conditions: MIL not illuminated for DTCs: P0651
  • 480 ms
  • 2 DCY
-- Check the EGR Valve 1 -GX5-. Refer to EGR Valve 1 - GX5 -, CHECKING .
P040C Exhaust Gas Recirculation Temperature Sensor "A" Circuit Low Exhaust gas temperature sensor downstream LP EGR cooler signal range check low
  • Signal voltage < 0.06 V
  • Engine running
  • 480 ms
  • 2 DCY
-- Check Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
P040D Exhaust Gas Recirculation Temperature Sensor "A" Circuit High Exhaust gas temperature sensor downstream LP EGR cooler signal range check high
  • Signal voltage > 3.24 V
  • Engine running
  • 600 s
  • 2 DCY
-- Check Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
P041B EGR Temperature Sensor "B" Circuit Range/Performance Exhaust gas temperature sensor downstream LP EGR cooler comparison of exhaust gas temperature sensor downstream low-pressure EGR with model value
  • Sensor temperature < 30° K
  • Time engine running > 3 min
  • Cumulative time with > 10 s
  • Engine speed > 1100 RPM
  • Coolant temperature > 60 °C
  • Simulated sensor temperature > 80 °C
  • Cumulative continuous LP EGR mass flow > 0.3 kg
  • With LP mass flow > 22 kg/h
  • Disable conditions: MIL not illuminated for DTCs: P0103, P0102, P0101, P0104, P0236, P0116, P0071, P00A1, P0118, P0117, P241F, P046C, P0403, P0634, P0606, P042F, P042E, P045B, P045A, P045D, P045C, P0607, P045F, P045E, P0486, P0406, P0405, U0422, P0070, P0072, U0323, P048C, P0475, P0478, P0477, P048A, P047F, P048E, P048B, P246F, P041B, P0234, P0299, P026A, P0238, P0237, P2453, P2452, P246E, P2454, P2470, P0641, P0651, P0111, P00A3, P00A2, P040D, P040C, P0121, P2100
  • 60 s
  • 2 DCY
-- Check Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
Exhaust gas temperature sensor downstream LP EGR cooler cross check of temperature sensors (exhaust part) at cold start conditions
  • Temperature difference to other temperature sensors during cold start> 40 K
  • MIL not illuminated for DTCs:P242A, P246E, P0544, P242C, P2470, P0545
 
  • 2 DCY
  • with cold start
P0420  Catalyst System Bank 1 Efficiency Below Threshold Non-Methane Hydrocarbon (NMHC) Catalyst comparison of current heat quantity input and modeled heat quantity input caused by HC conversion
  • HC conversation rate < 10 %
  • Regeneration = On
  • Minimum of expected exothermie > 50 K
  • temperature upstream oxidation catalyst > 250 °C
  • Model temperature downstream oxidation catalyst 450•••900 °C
  • Gradient of model temperature downstream catalyst < 2 K/s
  • Engine speed 1100•••3500 RPM
  • Torque 50.00...250.00 Nm
  • Heat input calculated from modeled heat flow > 60 kJ
  • Disable conditions MIL not illuminated for DTC's P0103, P0102, P0101, P0104, P0236, P0116, P0118, P0117, P0128, P2478, P244C, P247A, P0607, U0422, P0070, P0072, P0071, U0323, P2084, P242B, P0183, P0182, P0401, P0402, P2456, P0420, P2453, P2452, P242A, P2031, P2454, P242C, P2032, P0641, P0651, P0697, P00A3, P00A2, P007D, P007C, P0634, P0238, P0237
  • 100 ms
  • 1 DCY
-- Check Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
NMHC oxidation catalyst monitoring (Conversion Efficiency Emission Threshold) evaluation of the time derivative of the measured temperature downstream oxidation catalyst and the produced heat quantity inside oxidation catalyst caused by intrusive late post injection
  • Measured heat quantity produced inside oxidation catalyst < 2 kJ
  • And time derivative of the measured temperature downstream oxidation catalyst < 2 K/s
  • Time after engine start > 480 s
  • Time after particulate matter trap regeneration > 120 s
  • Regeneration of particulate matter trap and CSERS = OFF
  • Ambient temperature > -15° C
  • Ambient pressure > 650 hPa
  • Engine temperature > 60° C
  • Vehicle speed > f(gear)
  • Engine speed > 700 < 3500
  • Inner torque during monitoring sequence < 250 Nm
  • Exhaust mass flow through oxidation catalyst > 15 kg/h < 300 kg/h
  • Temperature upstream turbine during intrusive late post injection > 185 °C
  • Temperature inside oxidation catalyst before activation of post injection > 240 °C < 300° C
  • Stationary temperatures inside oxidation catalyst, difference of modeled brick temperatures < 55 K
  • Minimum HC injection mass during coast down phase to start monitoring sequence > f(engine speed) for more than 4 s
  • Lambda during late post injection < 10 for more than 3 s
  • Disable conditions MIL not illuminated for DTC's P0103, P0102, P0101, P0104, P0236, P0116, P0118, P0117, P0128, P2478, P244C, P247A, P0607, U0422, P0070, P0072, P0071, U0323, P2084, P242B, P0183, P0182, P0401, P0402, P2456, P0420, P2453, P2452, P242A, P2031, P2454, P242C, P2032, P0641, P0651, P0697, P00A3, P00A2, P007D, P007C, P0634, P0238, P0237
  • Max 60.0 s
  • 2 DCY
P045A Exhaust Gas Recirculation "B" Control Circuit LP EGR valve actuator open load
  • Diagnostic signal from output driver
  • ECM power stage = Off
  • 600 ms
  • 2 DCY
-- Check the EGR Valve 2 -GX6-. Refer to EGR Valve 2 -GX6-, CHECKING .
LP EGR valve actuator short circuit over load
  • Diagnostic signal from output driver
  • ECM power stage = On
  • 480 ms
P045B Exhaust Gas Recirculation "B" Control Circuit Range/Performance LP EGR valve actuator position sensor signal in desired range during closed position learning
  • Position sensor signal during closed position learning > 1118 mV; < 300 mV
  • ECT > -20.04° C or < 123.86° C
  • Battery voltage > 9 V
  • 200 ms
  • 2 DCY
-- Check the EGR Valve 2 -GX6-. Refer to EGR Valve 2 -GX6-, CHECKING .
LP EGR valve actuator Physical signal range check high / low
  • Position sensor signal > 4715 mV; < 300
  • ECM Power stage state = ON
  • 480 ms
P045C Exhaust Gas Recirculation "B" Control Circuit Low LP EGR valve actuator short circuit to ground on Out1 / short circuit to ground on Out2
  • Diagnostic signal from output driver
  • ECM power stage = On
  • 480 ms
  • 2 DCY
-- Check the EGR Valve 2 -GX6-. Refer to EGR Valve 2 -GX6-, CHECKING .
P045D Exhaust Gas Recirculation "B" Control Circuit High LP EGR valve actuator short circuit to battery on Out1 / short circuit to battery on Out2
  • Diagnostic signal from output driver
  • ECM power stage = On
  • 480 ms
  • 2 DCY
-- Check the EGR Valve 2 -GX6-. Refer to EGR Valve 2 -GX6-, CHECKING .
P045E Exhaust Gas Recirculation "B" Control Stuck Open LP EGR valve position control loop Comparison of actual and desired position signal
  • Control deviation > 10% or < -10%
  • Position sensor >= 4%
 
  • 1500 ms
  • 2 DCY
-- Check the EGR Valve 2 -GX6-. Refer to EGR Valve 2 -GX6-, CHECKING .
P045F Exhaust Gas Recirculation "B" Control Stuck Closed LP EGR valve position control loop Comparison of actual and desired position signal
  • Control deviation > 10% or < -10%
  • Position sensor < 4%
  • Disable conditions: MIL not illuminated for DTCs: P045B, P045A, P045F, P045E, P0486, P0641
  • 1500 ms
  • 2 DCY
-- Check the EGR Valve 2 -GX6-. Refer to EGR Valve 2 -GX6-, CHECKING .
P046C Exhaust Gas Recirculation Sensor "A" Circuit Range/Performance HP EGR Actuator Position Sensor signal in desired range during closed position learning
  • Position sensor signal during closed position learning > 1077 mV; < 300 mV
  • ECT > -20.04° C or < 123.86° C
  • Battery voltage > 9 V
  • Disable conditions: MIL not illuminated for DTCs: P0403, P042F, P042E, P0116, P0118, P0117, P0128, P0406, P0405, P0641
  • 200 ms
  • 2 DCY
-- Check The EGR Valve 1 -GX5-. Refer to EGR Valve 1 - GX5 -, CHECKING .
Physical signal range check high/ low
  • Position sensor signal > 4740 mV; < 300 mV
  • ECM power stage state = ON
  • 480 ms
P0470 Exhaust Pressure Sensor "A" Relative pressure sensor downstream particulate matter trap signal range check high
  • Signal voltage > 4.9 V
 
  • 480 ms
  • 2 DCY
-- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor - G505-, CHECKING .
P0471 Exhaust Pressure Sensor "A" Range/Performance Relative pressure sensor downstream particulate matter trap Offset detection during afterrun
  • Relative pressure raw signal > 200 hPa; < -150 hPa
  • Engine = after run
  • time since engine stop = 7.5 s
  • ECT > 49.96° C
  • offset adaptation during driving cycle = successful
  • 500 ms
  • 2 DCY
-- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor - G505-, CHECKING .
  • Relative pressure raw signal > 80hPa; < -80hPa
  • And offset corrected differential pressure signal > 10hPa; < -10hPa
P0472 Exhaust Pressure Sensor "A" Low Relative pressure sensor downstream particulate matter trap signal range check low
  • Signal voltage < 0.2 V
 
  • 480 ms
  • 2 DCY
-- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor - G505-, CHECKING .
P0474 Exhaust Pressure Sensor "A" Circuit Intermittent/Erratic Relative pressure sensor downstream particulate matter trap dynamic plausibility of the pressure sensor signal
  • Pressure integral of measured pressure < 10 hPa
  • Engine condition = running
  • Coolant temperature > 35° C
  • Engine speed > 900 RPM
  • Pressure integral of reference pressure gradient measured at pressure sensor upstream particulate matter trap >= 1500 hPa
  • Integrator stopped if:
  • Gradient of reference pressure measured at pressure sensor upstream particulate matter trap < 2 hPa/s
  • Modeled temperature at sensor position > 5° C
  • 100 ms
  • 2 DCY
Detection of a disconnected differential pressure sensor hose line downstream of particular filter, as both differential pressure sensors across PM trap and LP EGR share the same connection downstream the PM trap, this failure could be detected by evaluating the differential pressure across LP EGR. -- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor - G505-, CHECKING /.-- Check the Exhaust Pressure Sensor 1 -G450-. Refer to Exhaust Pressure Sensor 1 -G450-, CHECKING 
P0475 Exhaust Pressure Control Valve "A" Exhaust flap actuator open load
  • Diagnostic signal from output driver
  • ECM power stage = Off
  • 600 ms
  • 2 DCY
-- Check Exhaust Door Control Unit -J883-. Refer to Exhaust Door Control Unit -J883-, CHECKING .
Exhaust flap actuator short circuit over load
  • Diagnostic signal from output driver
  • ECM power stage = On
  • 480 ms
P0477 Exhaust Pressure Control Valve "A" Low Exhaust flap actuator Short to Ground
  • Diagnostic signal from output driver
  • ECM power stage = On
  • 480 ms
  • 2 DCY
-- Check Exhaust Door Control Unit -J883-. Refer to Exhaust Door Control Unit -J883-, CHECKING .
P0478 Exhaust Pressure Control Valve "A" High Exhaust flap actuator Short to Battery Voltage
  • Diagnostic signal from output driver
  • ECM power stage = On
  • 480 ms
  • 2 DCY
-- Check Exhaust Door Control Unit -J883-. Refer to Exhaust Door Control Unit -J883-, CHECKING .
P047F Exhaust Pressure Control Valve "A" Stuck Open Exhaust flap position control loop comparison of actual and desired position signal
  • Control deviation > 10%; < -10%
  • Position Sensor >= 30%
 
  • 1500 ms
  • 2 DCY
-- Check Exhaust Door Control Unit -J883-. Refer to Exhaust Door Control Unit -J883-, CHECKING .
P0486 Exhaust Gas Recirculation Sensor "B" Circuit LP EGR Position Sensor signal range check low
  • Signal Voltage > 4748 mV
 
  • 480 ms
  • 2 DCY
-- Check the EGR Valve 2 -GX6-. Refer to EGR Valve 2 -GX6-, CHECKING .
LP EGR Position Sensor signal range check high
  • Signal Voltage < 255 mV
P048A Exhaust Pressure Control Valve "A" Stuck Closed Exhaust flap position control loop comparison of actual and desired position signal
  • Control deviation > 10%; < -10%
  • Position Sensor < 30%
  • Disable conditions: MIL not illuminated for DTCs: P0475, P048A, P047F, P048E, P048B, P0641
  • 1500 ms
  • 2 DCY
-- Check Exhaust Door Control Unit -J883-. Refer to Exhaust Door Control Unit -J883-, CHECKING .
P048B Exhaust Pressure Control Valve Position Sensor/Switch Circuit Exhaust Flap Position Sensor signal range check low
  • Position sensor signal < 255 mV
 
  • 480 ms
  • 2 DCY
-- Check Exhaust Flap Control Module -J883-. Refer to Exhaust Door Control Unit -J883-, CHECKING .
P048C Exhaust Pressure Control Valve Position. Sensor / Switch Circuit Range/Performance Exhaust flap actuator Position Sensor signal in desired range during closed position learning
  • Position sensor signal during closed position learning > 1096 mV or < 300 mV
  • Coolant temperature > 20.04° C or < 123.86° C
  • Battery voltage > 10 V
  • Disable conditions: MIL not illuminated for DTCs: P048A, P047F, P048E, P048B, P0641
  • 200 ms
  • 2 DCY
-- Check Exhaust Door Control Unit -J883-. Refer to Exhaust Door Control Unit -J883-, CHECKING .
Exhaust flap actuator Physical signal range check high / low
  • Position sensor signal > 4744 mV; < 300 mV
  • ECM power stage state = ON
  • 480 ms
P048E Exhaust Pressure Control Valve Position. Sensor / Switch Circuit High Exhaust Flap Position Sensor signal range check high
  • Position sensor signal > 4750 mV
 
  • 480 ms
  • 2 DCY
-- Check the Exhaust Flap Control Module -J883-. Refer to Exhaust Door Control Unit -J883-, CHECKING .
P05A0 Active Grille Air Shutter "A" Stuck On Active Grill Shutter functional check
  • Blocked active grille air shutter detected
  • Uncontrolled adjustment detected
 
  • 15 x 5 s
  • 2 DCY
-- Check the Radiator Shutter Motor -V544-. Refer to Radiator Shutter Motor -V544-, CHECKING
P05A2 Active Grille Air Shutter "A" Control Circuit/Open Active Grill Shutter open circuit
  • Signal voltage, lower range > 1.92 - 2.21 V
  • Signal voltage upper range < 2.85 - 3.25 V
 
  • 450 ms
  • 2 DCY
-- Check the Radiator Shutter Motor -V544-. Refer to Radiator Shutter Motor -V544-, CHECKING
P05A3 Active Grille Air Shutter "A" Control Circuit Range/Performance Active Grill Shutter functional check / activity check
  • Internal logic failure = detected
 
  • 15 x 5 s
  • 2 DCY
-- Check the Radiator Shutter Motor -V544-. Refer to Radiator Shutter Motor -V544-, CHECKING
  • Initialization failure = detected
  • 5.0 s
  • Active grille air shutter controller feedback signal = failed
  • 24 s
P05A4 Active Grille Air Shutter "A" Control Circuit High Active Grill Shutter short to battery plus
  • Power stage temperature > 160.0 - 200.0° C
OR
  • Signal current > 4.0 - 7.0 A
 
  • 450 ms
  • 2 DCY
-- Check the Radiator Shutter Motor -V544-. Refer to Radiator Shutter Motor -V544-, CHECKING
P05A5 Active Grille Air Shutter "A" Control Circuit Low Active Grill Shutter short to ground
  • Signal voltage < 1.92 - 2.21 V
 
  • 450 ms
  • 2 DCY
-- Check the Radiator Shutter Motor -V544-. Refer to Radiator Shutter Motor -V544-, CHECKING
P05C0 Active Grille Air Shutter Module "A" Over Temperature Active Grill Shutter functional check
  • Internal overvoltage detected
  • Internal over-temperature detected
 
  • 15 x 5.0 s
  • 2 DCY
-- Check the Radiator Shutter Motor -V544-. Refer to Radiator Shutter Motor -V544-, CHECKING
P0501 Vehicle Speed Sensor "A" Range/Performance Vehicle speed signal not plausible
  • Diagnostic signal from brake control unit = error state
  • MIL not illuminated for DTCs: U0001, P0606, U0415, U0002
    -- Check the speed signal input.
P0502 Vehicle Speed Sensor "A" Circuit Low Input Vehicle Speed Sensor Circuit Low Input
  • Diagnostic signal from brake control unit = error state
      -- Check the speed signal input..
P0506 Idle Control System RPM Lower than Expected Idle fuel control system comparison of actual and desired idle speed
  • Control deviation < 10%
  • ECT sensor > -7.04° C and/or < 123.86° C
  • Accelerator Pedal Position = 0
  • Vehicle speed < 1 km/h
  • Disable conditions: MIL not illuminated for DTCs: P0118, P0117, P0321, P0322, P0641, P0651, U0001, P0606, U0002
  • 25, 000 ms
  • 2 DCY
-- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .-- Check for any TSB's that may apply to this fault. If multiple codes are set, perform diagnosis for any fuel system, engine speed sensor, MAF or MAP related faults first.
P0507 Idle Control System RPM Higher than Expected Idle fuel control system comparison of actual and desired idle speed
  • Control deviation > 10%
  • Engine condition running
  • 25, 000 ms
  • 2 DCY
-- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .-- Check for any TSB's that may apply to this fault. If multiple codes are set, perform diagnosis for any fuel system, engine speed sensor, MAF or MAP related faults first.
P050E Cold Start Engine Exhaust Temperature Too Low Exhaust gas temperature sensor downstream oxicat comparison of exhaust gas temperature sensor oxicat downstream with model value
  • Sensor temperature < 170° C
  • Environmental temperature > -20° C
  • Engine speed > 1125 RPM
  • Fuel quantity > 15 mg/stroke
  • Model temperature > 230° C
  • Disable conditions MIL not illuminated for DTC's P0201, P0202, P0203, P0204, P020A, P020B, P020C, P020D, P0300, P0301, P0302, P0303, P0304, P1005, P1006, P1007, P246E, P2470
  • 600 s accumulated time while comparison is active
  • 2 DCY
-- Check Exhaust Gas Temperature Sensors --. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING /Exhaust Gas Temperature Sensor 2 -G448-, CHECKING /Exhaust Gas Temperature Sensor 3 -G495-, CHECKING /Exhaust Gas Temperature Sensor 4 -G648-, CHECKING -- Check the Exhaust Flap Control Module -J883-. Refer to Exhaust Door Control Unit -J883-, CHECKING .
Exhaust temperature control loop (temperature upstream turbine) during CSERS TTCL of temperature upstream turbine
  • Time to activate control loop > 15 s
  • CSERS = on
  • Engine speed > 1000 RPM; < 3000 RPM
  • Coolant temperature > 13° C; < 75° C
  • Torque > 45 Nm; < 240 Nm
  • Gear > 2
  • Environmental temperature > -26° C
  • 17 s
  • 2 DCY
P0544 Exhaust Gas Temperature Sensor Circuit - Bank 1 Exhaust Gas Temperature Sensor Upstream Turbocharger signal range check high
  • Signal voltage > 1.72 V
 
  • 480 ms
  • 2 DCY
-- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
P0545 Exhaust Gas Temperature Sensor Circuit - Bank 1 Low Exhaust Gas Temperature Sensor Upstream Turbocharger signal range check low
  • Signal voltage < 0.45 V
 
  • 480 ms
  • 2 DCY
-- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING 
P054E Idle Control System - Fuel Quantity Lower Than Expected Idle fuel control system comparison of actual and expected idle fuel quantity
  • Actual fuel mass < limit from map f (engine speed, engine temperature)
 
  • 10, 000 ms
  • 2 DCY
-- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P054F Idle Control System - Fuel Quantity Higher Than Expected Idle fuel control system comparison of actual and expected idle fuel quantity
  • Actual fuel mass > limit from map f (engine speed, engine temperature)
  • Engine condition = running
  • ECT > 55° C
  • Gear = park, neutral OR gear = drive, reverse
  • Brake pedal = activated
  • Vehicle speed < 1.0 km/h
  • Engine speed >750 RPM and/or <1500 RPM
  • Accelerator pedal position = 0
  • Ambient temperature > -10° C
  • Ambient pressure > 750 hPa
  • 10, 000 ms
  • 2 DCY
-- Check the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P0562 System Voltage Low Voltage Engine Off timer check power supply for "Engine Off Timer"
  • Internal check = failure
  • Engine shut off
  • Power on reset
  • 6 DCY
  • 1 DCY
-- Check the Voltage Supply input.
P0604 Internal Control Module Random Access Memory (RAM) Error EEPROM Memory Error
  • EEPROM could not be erased - data still available
  • Writing EEPROM not possible
  • 3 read errors in different blocks
 
  • < 1.0 s
  • 2 DCY
-- Replace the Engine Control Module (ECM) -J623- Refer to the Service Information for procedure.
P0605 Internal Control Module ROM Test Error ECM internal self test
  • ECM internal self test failed
 
  • < 1.0 s
  • 2 DCY
-- Replace the Engine Control Module (ECM) -J623- Refer to the Service Information for procedure.
P0606 ECM/PCM Processor Internal Control Module internal EEPROM Check
  • Checksum error = true
  • Test result = failed
 
  • < 1.0 s
  • 2 DCY
-- Replace the Engine Control Module (ECM) -J623- Refer to the Service Information for procedure.
Self-check of sensor IC CJ135 diagnosis, internal self test
  • Test result control byte failed
 
  • 2.0 s
  • Continuous
P0607 Control Module Performance Control Module Performance internal self test
  • Test result = failed
 
  • < 1.0 s
  • 2 DCY
-- Replace the Engine Control Module (ECM) -J623- Refer to the Service Information for procedure.
P060C Internal Control Module Main Processor Performance Engine control unit (ECU) internal self test
  • Test result = failed
 
  • < 1.0 s
  • 2 DCY
-- Replace the Engine Control Module (ECM) -J623- Refer to the Service Information for procedure.
P0627 Fuel Pump "A" Control Circuit/Open Electric fuel pump output driver open circuit
  • Diagnostic signal from output driver
  • output driver = OFF state
  • 480 ms
  • Continuous
  • 2 DCY
-- Check the Fuel Delivery Unit -GX1-. Refer to Fuel Pump Control Module - J538- / Fuel Delivery Unit -GX1-, CHECKING  OR Fuel Delivery Unit -GX1-, Fuel Pump Relay -J17- CHECKING 
P0628 Fuel Pump "A" Control Circuit Low Electric fuel pump output driver short to ground
  • Diagnostic signal from output driver
  • output driver = OFF state
  • 480 ms
  • Continuous
  • 2 DCY
-- Check the Fuel Delivery Unit -GX1-. Refer to Fuel Pump Control Module - J538- / Fuel Delivery Unit -GX1-, CHECKING  OR Fuel Delivery Unit -GX1-, Fuel Pump Relay -J17- CHECKING  OR
P0629 Fuel Pump "A" Control Circuit High Electric fuel pump output driver short to battery plus
  • Diagnostic signal from output driver
  • output driver = ON state
  • 480 ms
  • Continuous
  • 2 DCY
-- Check the Fuel Delivery Unit -GX1-. Refer to Fuel Pump Control Module - J538- / Fuel Delivery Unit -GX1-, CHECKING  OR Fuel Delivery Unit -GX1-, Fuel Pump Relay -J17- CHECKING 
P0634 PCM/ECM/TCM Internal Temperature Too High ECM internal self test
  • Internal temperature for output driver too high >170° C
 
  • 50 - 2, 000 ms
  • Continuous
  • 2 DCY
-- Replace the Engine Control Module (ECM) -J623- Refer to the Service Information for procedure.
P0641 Sensor Reference Voltage "A" Circuit Open Sensor Reference Voltage "A" signal range check high/low (APP-1, Diff.-pressure DPF sensor, Diff.-pressure LP-EGR, engine speed sensor (camshaft))
  • Sensor supply voltage < 4.8 V or > 5.2 V
 
  • 90 ms
  • 2 DCY
-- Replace the Engine Control Module (ECM) -J623- Refer to the Service Information for procedure.
P064A Fuel Pump Control Module Electric fuel pump electronics defective
  • Diagnostic signal from output driver
 
  • 780 ms
  • 2 DCY
-- Check The Fuel Delivery Unit -GX1- Refer to Fuel Delivery Unit -GX1-, Fuel Pump Relay -J17- CHECKING  OR Fuel Pump Control Module - J538- / Fuel Delivery Unit -GX1-, CHECKING 
Electric fuel pump fuel pump electronics over temperature 1
  • 980 ms
Electric fuel pump fuel pump electronics over temperature 2
  • 2180 ms
P064C Glow Plug Control Module Glow Plug Time Control Module Circuit Wrong Calibration
  • Number of cylinders is unequal to ECU application = wrong GCU built in
  • Glow system = active
  • 1.0 s
  • Continuous
  • 2 DCY
-- Check the Automatic Glow Time Control Module -J179-. Refer to.Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
  • Glow plug type is unequal to ECU application = wrong GCU built in
  • 3.0 s
  • Continuous
P0651 Sensor Reference Voltage "B" Circuit Open Sensor Reference Voltage "B" signal range check high/low (Rail pressure sensor, Boost pressure sensor, Turbocharger position-sensor..)
  • Sensor supply voltage < 4.8 V or > 5.2 V
 
  • 90 ms
  • 2 DCY
-- Replace the Engine Control Module (ECM) -J623- Refer to the Service Information for procedure.
P066A Cylinder 1 Glow Plug Control Circuit Low Glow Plug Cylinder 1 current check (overcurrent) glow plug #1
  • Message from glow control unit = error message (glow current > 70 A)
  • Glow system active
  • Demand signal 8 - 95%
  • "Engine on", Voltage > 8V
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 1 -QX1- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 1 -QX1-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
P066C Cylinder 2 Glow Plug Control Circuit High Glow Plug Cylinder 2 current check (overcurrent) glow plug #2
  • Message from glow control unit = error message (glow current > 70 A)
  • Glow system active
  • Demand signal 8 - 95%
  • "Engine on", Voltage > 8V
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 2 -QX2- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 2 -QX2-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
P066E Cylinder 3 Glow Plug Control Circuit Low Glow Plug Cylinder 3 current check (overcurrent) glow plug #3
  • Message from glow control unit = error message (glow current > 70 A)
  • Glow system active
  • Demand signal 8 - 95%
  • "Engine on", Voltage > 8V
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 3 -QX3- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 3 -QX3-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
P0667 PCM / ECM / TCM Internal Temperature Sensor "A" Range/Performance ECU temperature cross check of temperature sensors at cold start conditions
  • Temperature difference to at least 4 other temperature sensors during cold start > 55 K
  • Engine off time > 25, 200 s
  • Coolant temperature 1 or 2 at engine start < 60° C
  • Decrease of coolant temperature 1 or 2 after 60 s after engine start < 5 - 10K (2 - 8K in case of block heater installation coded)
  • Decrease of intake air temperature and environmental temperature from start temperatures after continuous driving with vehicle speed above 40 km/h for 20 s < 8 K
  • Total ECU ON time without engine start < 300 s
  • 20 ms
  • Once/ DCY
  • 2 DCY
-- Replace the Engine Control Module (ECM) -J623- Refer to the Service Information for procedure.
P0670 Glow Plug Module Control Circuit Glow Plug Time Module Control Circuit open circuit / internal selftest GCU
  • Message from glow control unit = 3.44 V
  • OR
  • Message from glow control unit = Error message
  • Output driver state = OFF
  • 500 ms
  • Continuous
  • 2 DCY
-- Check the Automatic Glow Time Control Module -J179-. Refer to.Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
P0671 Cylinder 1 Glow Plug Circuit current check glow plug #1
  • Message from glow control unit = error message
  • Signal current < 2.2 A
  • Glow system active
  • Demand signal 8 - 95%
  • Battery voltage > 8 V
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 1 -QX1- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 1 -QX1-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
P0672 Cylinder 2 Glow Plug Circuit current check glow plug #2
  • Message from glow control unit = error message
  • Signal current < 2.2 A
  • Glow system active
  • Demand signal 8 - 95%
  • Battery voltage > 8 V
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 2 -QX2- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 2 -QX2-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
P0673 Cylinder 3 Glow Plug Circuit current check glow plug #3
  • Message from glow control unit = error message
  • Signal current < 2.2 A
  • Glow system active
  • Demand signal 8 - 95%
  • Battery voltage > 8 V
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 3 -QX3- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 3 -QX3-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
P0674 Cylinder 4 Glow Plug Circuit current check glow plug #4
  • Message from glow control unit = error message
  • Signal current < 2.2 A
  • Glow system active
  • Demand signal 8 - 95%
  • Battery voltage > 8 V
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 4 -QX4- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 4 -QX4-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
P067A Cylinder 4 Glow Plug Control Circuit Low Glow Plug Cylinder 4 current check (overcurrent) glow plug #4
  • Message from glow control unit = error message (glow current > 70 A)
  • Glow system active
  • Demand signal 8 - 95%
  • "Engine on", Voltage > 8V
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 4 -QX4- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 4 -QX4-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
P0684 Glow Plug Control Module to ECM Communication Circuit Range/Performance Glow control unit monitoring of communication with glow control unit
  • Message from glow control unit = missing communication from Glow Control Unit
  • ECT < 30° C
  • 3.0 s
  • Continuous
  • 2 DCY
-- Check The Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING .-- Check the CAN Bus. Refer to appropriate Service Information.
Glow control unit monitoring of supply voltage
  • Message from glow control unit = error message
  • Glow system = Active
  • 50 s
  • Continuous
P068A ECM / PCM Power Relay De-Energized Performance - Too Early ECM Power Relay Performance - monitoring the main relay's opening : too early opening
  • Internal test
 
  • 10 times
  • 2 DCY
-- Check The ECM Power Relay -J317-.
P068B ECM / PCM Power Relay De-Energized Performance - Too Late ECM Power Relay Performance - Stuck
  • Internal test
 
  • 500 ms
  • 2 DCY
-- Check The ECM Power Relay -J317-.
P0697 Sensor Reference Voltage "C" Circuit Open Sensor Reference Voltage "C" signal range check high/low (Coolant temperature upstream engine.)
  • Sensor supply voltage < 3.168 V or > 3.432 V
 
  • 90 ms
  • 2 DCY
-- Please unplug each Glow Plug one at a time and see if the fault will clear. If the fault clears replace the affected Glow Plug. If the fault will not clear please replace the Engine Control Module -J623-. Refer to the appropriate Service Information.
P06B9 Cylinder 1 Glow Plug Circuit Range/Performance Glow Plug Cylinder 1 resistor check glow plug #1
  • Message from glow control unit = error message
Glow plug resistance time interval after glow start:
  • 4.0 - 9.0 s
  • Glow system active
  • Demand signal 8 - 95%
  • "Engine on", Voltage > 8V
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 1 -QX1- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 1 -QX1-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
P06BA Cylinder 2 Glow Plug Circuit Range/Performance Glow Plug Cylinder 2 resistor check glow plug #2
  • Message from glow control unit = error message
Glow plug resistance time interval after glow start:
  • 4.0 - 9.0 s
  • Glow system active
  • Demand signal 8 - 95%
  • "Engine on", Voltage > 8V
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 2 -QX2- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 2 -QX2-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
P06BB Cylinder 3 Glow Plug Circuit Range/Performance Glow Plug Cylinder 3 resistor check glow plug #3
  • Message from glow control unit = error message
Glow plug resistance time interval after glow start:
  • 4.0 - 9.0 s
  • Glow system active
  • Demand signal 8 - 95%
  • "Engine on", Voltage > 8V
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 3 -QX3- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 3 -QX3-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
P06BC Cylinder 4 Glow Plug Circuit Range/Performance Glow Plug Cylinder 4 resistor check glow plug #4
  • Message from glow control unit = error message
Glow plug resistance time interval after glow start:
  • 4.0 - 9.0 s
  • Glow system active
  • Demand signal 8 - 95%
  • "Engine on", Voltage > 8V
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 4 -QX4- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 4 -QX4-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING 
P06C5 Cylinder 1 Glow Plug Incorrect Glow Plug Cylinder 1 check glow plug type #1
  • Message from glow control unit = error message
  • Wrong current slope
  • Glow system = Active
  • ECT < 18° C
  • ECM off time >= 900 s
  • Demand signal = 95%
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 1 -QX1- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 1 -QX1-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING  Note: Replace with know good Glow Plug and Retest, make sure and follow replacement procedures in Service Information
P06C6 Cylinder 2 Glow Plug Incorrect Glow Plug Cylinder 2 check glow plug type #2
  • Message from glow control unit = error message
  • Wrong current slope
  • Glow system = Active
  • ECT < 18° C
  • ECM off time >= 900 s
  • Demand signal = 95%
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 2 -QX2- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 2 -QX2-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING  Note: Replace with know good Glow Plug and Retest, make sure and follow replacement procedures in Service Information
P06C7 Cylinder 3 Glow Plug Incorrect Glow Plug Cylinder 3 check glow plug type #3
  • Message from glow control unit = error message
  • Wrong current slope
  • Glow system = Active
  • ECT < 18° C
  • ECM off time >= 900 s
  • Demand signal = 95%
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 3 -QX3- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 3 -QX3-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING  Note: Replace with know good Glow Plug and Retest, make sure and follow replacement procedures in Service Information
P06C8 Cylinder 4 Glow Plug Incorrect Glow Plug Cylinder 4 check glow plug type #4
  • Message from glow control unit = error message
  • Wrong current slope
  • Glow system = Active
  • ECT < 18° C
  • ECM off time >= 900 s
  • Demand signal = 95%
  • 8.0 s
  • Continuous
  • 2 DCY
-- Check The Glow Plug 4 -QX4- and The Automatic Glow Time Control Module -J179-. Refer to Glow Plug 4 -QX4-, CHECKING .Automatic Glow Time Control Module - J179- AND GLOW PLUG, CHECKING  Note: Replace with know good Glow Plug and Retest, make sure and follow replacement procedures in Service Information
P1004  Torque Difference Cylinder 1: Limit Value Exceeded Torque inner control loop comparison of actual and desired torque (positive and negative control error) cylinder #1
  • Control error < limit from MAP f (engine speed and desired torque) -30 Nm OR > 30 Nm
  • Engine running
  • ECM in closed loop
  • ECT > 50° C
  • Baro > 750 hPa
  • Time since engine start > 30 s
  • regeneration = off
  • 120 Rev
  • 2 DCY
-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .-- Check for a plugged fuel filter or restricted/kinked line. Refer to Service Information-- Check Fuel Injectors --. Refer to Fuel Injector --, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Service Information for procedure
P1005  Torque Difference Cylinder 2: Limit Value Exceeded Torque inner control loop comparison of actual and desired torque (positive and negative control error) cylinder #2
  • Control error < limit from MAP f (engine speed and desired torque) -30 Nm OR > 30 Nm
  • Engine running
  • ECM in closed loop
  • ECT > 50° C
  • Baro > 750 hPa
  • Time since engine start > 30 s
  • regeneration = off
  • 120 Rev
  • 2 DCY
-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .-- Check for a plugged fuel filter or restricted/kinked line. Refer to Service Information-- Check Fuel Injectors --. Refer to Fuel Injector --, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Service Information for procedure
P1006  Torque Difference Cylinder 3: Limit Value Exceeded Torque inner control loop comparison of actual and desired torque (positive and negative control error) cylinder #3
  • Control error < limit from MAP f (engine speed and desired torque) -30 Nm OR > 30 Nm
  • Engine running
  • ECM in closed loop
  • ECT > 50° C
  • Baro > 750 hPa
  • Time since engine start > 30 s
  • regeneration = off
  • 120 Rev
  • 2 DCY
-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .-- Check for a plugged fuel filter or restricted/kinked line. Refer to Service Information-- Check Fuel Injectors --. Refer to Fuel Injector --, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Service Information for procedure
P1007  Torque Difference Cylinder 4: Limit Value Exceeded Torque inner control loop comparison of actual and desired torque (positive and negative control error) cylinder #4
  • Control error < limit from MAP f (engine speed and desired torque) -30 Nm OR > 30 Nm
  • Engine running
  • ECT > 50° C
  • Baro > 750 hPa
  • Time since engine start > 30 s
  • regeneration = off
  • Disable conditions: MIL not illuminated for DTCs: P2279, P0321, P0322, P2080, P2146, P2149, P0201, P0203, P0204, P0202, P0238, P0237, P242C, P2470, P0545, P0641, P0651, P0121, P2100, P0634
  • 120 Rev
  • 2 DCY
-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .-- Check for a plugged fuel filter or restricted/kinked line. Refer to Service Information-- Check Fuel Injectors --. Refer to Fuel Injector --, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Service Information for procedure
P13CE Cylinder 1 Pressure Sensor Circuit electrical fault Cylinder 1 Pressure Sensor Circuit signal range check high sensor #1
  • Signal voltage > 3.17 V
  • Engine = running
  • 40 revolutions
  • 2 DCY
-- Check the Glow Plug 1 -QX1-. Refer to Glow Plug 1 -QX1-, CHECKING .
P13CF Cylinder 1 Pressure Sensor Circuit Short to earth Cylinder 1 Pressure Sensor Circuit signal range check low sensor #1
  • Cylinder pressure sensor voltage < 0.13 V
  • Engine = running
  • 40 revolutions
  • 2 DCY
-- Check the Glow Plug 1 -QX1-. Refer to Glow Plug 1 -QX1-, CHECKING .
P13D0 Cylinder 1 Pressure Sensor Implausible Signal Cylinder 1 Pressure Sensor physical signal out of range sensor #1
  • Signal voltage < 0.33 V and/or > 3.09 V
  • Engine = running
  • 1, 000 revolutions
  • 2 DCY
-- Check the Glow Plug 1 -QX1-. Refer to Glow Plug 1 -QX1-, CHECKING .
Cylinder 1 Pressure Sensor plausibility check: constant cylinder pressure signal sensor #1
  • Deviation between maximum and minimum cylinder pressure sensor 1 < 20 bar
  • engine condition = running
  • throttle valve = open
  • Barometric > 750 hPa
Cylinder 1 pressure sensor plausibility check: pressure offset sensor #1
  • Offset out of range < -7 bar or > 7 bar
  • engine condition = running
Cylinder 1 pressure sensor plausibility with calculated cylinder pressure sensor #1
  • Difference between calculated cylinder pressure, based on intake air pressure and compression ratio, and measured cylinder pressure sensor #1 out of range < -10 bar or > 10 bar
  • engine condition = fuel cut off
  • Throttle valve = open
  • LP EGR valve = closed
  • HP EGR valve = closed
  • IAT = > -16° C; < 62° C
  • ECT = > 60° C; < 124° C
  • 40 revolutions
P13D1 Cylinder 2 Pressure Sensor Circuit electrical fault Cylinder 2 Pressure Sensor signal range check high sensor #2
  • Signal voltage > 3.17 V
  • Engine = running
  • 40 revolutions
  • 2 DCY
-- Check The Glow Plug 2 -QX2-. Refer to Glow Plug 2 -QX2-, CHECKING .
P13D2 Cylinder 2 Pressure Sensor Circuit Short to earth Cylinder 2 Pressure Sensor signal range check low sensor #2
  • Signal voltage < 0.13 V
  • Engine = running
  • 40 revolutions
  • 2 DCY
-- Check The Glow Plug 2 -QX2-. Refer to Glow Plug 2 -QX2-, CHECKING .
P13D3 Cylinder 2 Pressure Sensor Implausible Signal Cylinder 2 Pressure Sensor physical signal out of range sensor #2
  • Signal voltage < 0.33 V and/or > 3.09 V
  • Engine = running
  • 1, 000 revolutions
  • 2 DCY
-- Check the Glow Plug 2 -QX2-. Refer to Glow Plug 2 -QX2-, CHECKING .
Cylinder 2 Pressure Sensor plausibility check: constant cylinder pressure signal sensor #2
  • Deviation between maximum and minimum cylinder pressure sensor 1 < 20 bar
  • engine condition = running
  • throttle valve = open
  • Barometric > 750 hPa
Cylinder 2 pressure sensor plausibility check: pressure offset sensor #2
  • Offset out of range < -7 bar or > 7 bar
  • engine condition = running
Cylinder 2 pressure sensor plausibility with calculated cylinder pressure sensor #2
  • Difference between calculated cylinder pressure, based on intake air pressure and compression ratio, and measured cylinder pressure sensor #1 out of range < -10 bar or > 10 bar
  • engine condition = fuel cut off
  • Throttle valve = open
  • LP EGR valve = closed
  • HP EGR valve = closed
  • IAT = > -16° C; < 62° C
  • ECT = > 60° C; < 124° C
  • 40 revolutions
P13D4 Cylinder 3 Pressure Sensor Circuit electrical fault Cylinder 3 Pressure Sensor signal range check high sensor #3
  • Signal voltage > 3.17 V
  • Engine = running
  • 40 revolutions
  • 2 DCY
-- Check the Glow Plug 3 -QX3-. Refer to Glow Plug 3 -QX3-, CHECKING .
P13D5 Cylinder 3 Pressure Sensor Circuit Short to earth Cylinder 3 Pressure Sensor signal range check low sensor #3
  • Signal voltage < 0.13 V
  • Engine = running
  • 40 revolutions
  • 2 DCY
-- Check the Glow Plug 3 -QX3-. Refer to Glow Plug 3 -QX3-, CHECKING .
P13D6 Cylinder 3 Pressure Sensor Implausible Signal Cylinder 3 Pressure Sensor physical signal out of range sensor #3
  • Signal voltage < 0.33 V and/or > 3.09 V
  • Engine = running
  • 1, 000 revolutions
  • 2 DCY
-- Check the Glow Plug 3 -QX3-. Refer to Glow Plug 3 -QX3-, CHECKING .
Cylinder 3 Pressure Sensor plausibility check: constant cylinder pressure signal sensor #3
  • Deviation between maximum and minimum cylinder pressure sensor 1 < 20 bar
  • Engine condition = running
  • Throttle valve = open
  • Barometric > 750 hPa
Cylinder 3 pressure sensor plausibility check: pressure offset sensor #3
  • Offset out of range < -7 bar or > 7 bar
  • Engine condition = running
Cylinder 3 pressure sensor plausibility with calculated cylinder pressure sensor #3
  • Difference between calculated cylinder pressure, based on intake air pressure and compression ratio, and measured cylinder pressure sensor #1 out of range < -10 bar or > 10 bar
  • engine condition = fuel cut off
  • Throttle valve = open
  • LP EGR valve = closed
  • HP EGR valve = closed
  • IAT = > -16° C; < 62° C
  • ECT = > 60° C; < 124° C
  • 40 revolutions
P13D7 Cylinder 4 Pressure Sensor Circuit electrical fault Cylinder 4 Pressure Sensor signal range check high sensor #4
  • Signal voltage > 3.17 V
  • Engine = running
  • 40 revolutions
  • 2 DCY
-- Check the Glow Plug 4 -QX4-. Refer to Glow Plug 4 -QX4-, CHECKING .
P13D8 Cylinder 4 Pressure Sensor Circuit Short to earth Cylinder 4 Pressure Sensor signal range check low sensor #4
  • Signal voltage < 0.13 V
  • Engine = running
  • 40 revolutions
  • 2 DCY
-- Check the Glow Plug 4 -QX4-. Refer to Glow Plug 4 -QX4-, CHECKING .
P13D9 Cylinder 4 Pressure Sensor Implausible Signal Cylinder 4 Pressure Sensor physical signal out of range sensor #4
  • Signal voltage < 0.33 V and/or > 3.09 V
  • Engine = running
  • Disable conditions MIL not illuminated for DTC's P0697
  • 1, 000 revolutions
  • 2 DCY
-- Check the Glow Plug 4 -QX4-. Refer to Glow Plug 4 -QX4-, CHECKING .
Cylinder 4 Pressure Sensor plausibility check: constant cylinder pressure signal sensor #4
  • Deviation between maximum and minimum cylinder pressure sensor 1 < 20 bar
  • Engine condition = running
  • Throttle valve = open
  • Barometric > 750 hPa
Cylinder 4 pressure sensor plausibility check: pressure offset sensor #4
  • Offset out of range < -7 bar or > 7 bar
  • Engine condition = running
Cylinder 4 pressure sensor plausibility with calculated cylinder pressure sensor #4
  • Difference between calculated cylinder pressure, based on intake air pressure and compression ratio, and measured cylinder pressure sensor #1 out of range < -10 bar or > 10 bar
  • Engine condition = fuel cut off
  • Throttle valve = open
  • LP EGR valve = closed
  • HP EGR valve = closed
  • IAT = > -16° C; < 62° C
  • ECT = > 60° C; < 124° C
  • 40 revolutions
P13E0 Cylinder 1 Pressure Sensor Circuit Malfunction Cylinder 1 Pressure Sensor plausibility check of position TDC cylinder #1
  • Pressure based measured TDC position sensor #1 out of range < -3.0° CA or > 3.0° CA
  • Engine condition = Fuel cut Off
  • ECT > 59.96° C
  • 40 revolutions
  • 2 DCY
-- Check the Glow Plug 1 -QX1-. Refer to Glow Plug 1 -QX1-, CHECKING .-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .
P13E1 Cylinder 2 Pressure Sensor Circuit Malfunction Cylinder 2 Pressure Sensor plausibility check of position TDC cylinder #2
  • Pressure based measured TDC position sensor #1 out of range < -3.0° CA or > 3.0° CA
  • Engine condition = Fuel cut Off
  • ECT > 59.96° C
  • 40 revolutions
  • 2 DCY
-- Check The Glow Plug 2 -QX2-. Refer to Glow Plug 2 -QX2-, CHECKING .-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .
P13E2 Cylinder 3 Pressure Sensor Circuit Malfunction Cylinder 3 Pressure Sensor plausibility check of position TDC cylinder #3
  • Pressure based measured TDC position sensor #1 out of range < -3.0° CA or > 3.0° CA
  • Engine condition = Fuel cut Off
  • ECT > 59.96° C
  • 40 revolutions
  • 2 DCY
-- Check the Glow Plug 3 -QX3-. Refer to Glow Plug 3 -QX3-, CHECKING .-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .
P13E3 Cylinder 4 Pressure Sensor Circuit Malfunction Cylinder 4 Pressure Sensor plausibility check of position TDC cylinder #4
  • Pressure based measured TDC position sensor #1 out of range < -3.0° CA or > 3.0° CA
  • Engine condition = Fuel cut Off
  • ECT > 59.96° C
  • 40 revolutions
  • 2 DCY
-- Check the Glow Plug 4 -QX4-. Refer to Glow Plug 4 -QX4-, CHECKING .-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor - G28-, CHECKING .
P146D Confirmation of heating one of the reducing agents Short to Plus SCR heater circuit 1 (AdBlue tank) short cut to battery plus, current sensor
  • Signal voltage > 4.7 V
 
  • 480 ms
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102- / Reducing Agent Line Heater (Heating Circuit 2) -Z104-. Refer to Reducing Agent Tank Heater (Heating Circuit 1) -Z102- /Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING
P146F Confirmation of heating for 2 reducing agent Short to Plus SCR heater circuit 2 (AdBlue line, dosing unit) short to battery plus, current sensor
  • Signal voltage > 4.7 V
  • ADC-module message = no fault
  • 480 ms
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102- / Reducing Agent Line Heater (Heating Circuit 2) -Z104-. Refer to Reducing Agent Tank Heater (Heating Circuit 1) -Z102- /Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING
P148B Output stage for heating the reducing agents malfunction SCR heater control circuit 1 external short to battery plus
  • Heating active when switched off, current > 200 mA
  • SCR heating = OFF
  • Disable conditions: MIL not illuminated for DTCs: P148B, P20B9, P20BC, P20BB, P146D, P205B
  • 500 ms
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102- / Reducing Agent Line Heater (Heating Circuit 2) -Z104-. Refer to Reducing Agent Tank Heater (Heating Circuit 1) -Z102- /Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING
P148C End stage 2 for reducing agent heating Faulty SCR heater control circuit 2 external short at pressure line heater
  • Heating active when switched off, conductance > 0.1 s
  • SCR heating = OFF
  • Disable conditions: MIL not illuminated for DTCs: P148C, P20BD, P20C0, P20BF, P146F
  • 500 ms
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102- / Reducing Agent Line Heater (Heating Circuit 2) -Z104-. Refer to Reducing Agent Tank Heater (Heating Circuit 1) -Z102- /Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING
P16BA Coolant pump for charge air cooling Dry run Water pump for charge air intercooler running dry
  • Diagnostic signal from output driver
 
  • 3 attempts / 6 s
  • 2 DCY
-- Check the Charge Air Cooling Pump -V188-. Refer to Charge Air Cooling Pump -V188-, CHECKING 
P16C6 Heater support pump Dry running Electric coolant pump coolant pump running-dry
  • Diagnostic signal from output driver
  • Disable conditions: MIL not illuminated for DTCs: P26F4, P26F6, P26F5
  • 3 attempts / 6 s
  • 2 DCY
-- Check the Heater Support Pump -V488-. Refer to Heater Support Pump -V488-, CHECKING 
P16C7 Heater support pump locked Electric coolant pump coolant pump blocked
  • Diagnostic signal from output driver
 
  • 3 attempts / 7.5 s
  • 2 DCY
-- Check the Heater Support Pump -V488-. Refer to Heater Support Pump -V488-, CHECKING 
P16C8 Heater support pump Overheated Electric coolant pump coolant pump overheated
  • Diagnostic signal from output driver
 
  • 3 attempts / 9 s
  • 2 DCY
-- Check the Heater Support Pump -V488-. Refer to Heater Support Pump -V488-, CHECKING 
P16C9 Heater support pump Engine speed too low Electric coolant pump min speed not reached
  • Diagnostic signal from output driver
 
  • 3 attempts / 11.5 s
  • 2 DCY
-- Check the Heater Support Pump -V488-. Refer to Heater Support Pump -V488-, CHECKING 
P169A Transport Mode Active Transport Mode Active
  • Transport mode active
  • Transport mode via tester = ON
AND
  • Vehicle speed < 5 mph
  • Engine speed = 0 RPM
  • Max. driving distance since initial vehicle start-up < 100 miles (accumulated distance during one or more driving cycles)
  • Fault is stored in fault memory during ECU shut down
  • 1 DCY
-- Mode can be deactivated with a factory scan tool or will automatically turn off after vehicle accumulates the first 100 miles of driving.
P199C Coolant pump for cylinder head Short to Plus Main coolant pump short to battery plus
  • Diagnostic signal from output driver
  • Output driver state = ON
  • 480 ms
  • 2 DCY
-- Check the Cylinder Head Coolant Valve -N489-. Refer to Cylinder Head Coolant Valve -N489-, CHECKING .
P199D Coolant pump for cylinder head Short to earth Main coolant pump short to ground
  • Diagnostic signal from output driver
  • Output driver state = OFF
  • 480 ms
  • 2 DCY
-- Check the Cylinder Head Coolant Valve -N489-. Refer to Cylinder Head Coolant Valve -N489-, CHECKING .
P199E Coolant pump for cylinder head open Main coolant pump open circuit
  • Diagnostic signal from output driver
  • Output driver state = OFF
  • 480 ms
  • 2 DCY
-- Check the Cylinder Head Coolant Valve -N489-. Refer to Cylinder Head Coolant Valve -N489-, CHECKING .
P20BB Reductant Heater "A" Control Circuit Low SCR heater circuit 1 (AdBlue tank) short cut to ground
  • Diagnostic signal from output driver
  • Output driver = not active
  • 480 ms
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING
P20BC Reductant Heater "A" Control Circuit High SCR heater circuit 1 (AdBlue tank) short cut to battery plus
  • Diagnostic signal from output driver
  • Output driver = active
  • 2, 000 ms
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING
P20BD Reductant Heater "B" Control Circuit/Open SCR heater circuit 2 (AdBlue line, dosing unit) open circuit
  • Diagnostic signal from output driver
  • Output driver = not active
  • 2, 000 ms
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING
P20BF Reductant Heater "B" Control Circuit Low SCR heater circuit 2 (AdBlue line, dosing unit) short to ground
  • Diagnostic signal from output driver
  • Output driver = not active
  • 480 ms
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING
P20B7 Reductant Metering Unit Heater Control Circuit Low SCR heater control circuit 2 open load in pressure line heater
  • No conductance stroke recognized and conductance < 0.178 s
  • Time since activation or conductance stroke > 500 ms
  • 1 attempt/ 100 ms
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING
P20B8 Reductant Metering Unit Heater Control Circuit High SCR heater control circuit 2 short circuit in pressure line heater
  • Max. conductance at activation after conductance stroke > 0.572 s
  • Time since activation or conductance stroke > 500 ms
  • 1 attempt/ 100 ms
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING
P20B9 Reductant Heater "A" Control Circuit/Open SCR heater circuit 1 (AdBlue tank) open circuit
  • Diagnostic signal from output driver
  • Output driver = not active
  • 500 ms
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING
P20C0 Reductant Heater "B" Control Circuit High SCR heater circuit 2 (AdBlue line, dosing unit) short to battery plus
  • Diagnostic signal from output driver
  • Output driver = active
  • 2, 000 ms
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING
P20E8 Reductant Pressure Too Low Urea dosing pressure build up fault
  • Number of pump strokes > 603
  • AND
  • SCR system state / metering control
  • Number of pressure build-up attempts > 5
  • 603 strokes
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
Urea dosing pressure under pressure error during pressure control operation (fast debouncing of lower min pressure threshold)
  • Filtered urea system pressure < 2, 000 hPa
  • For number of pump strokes >= 30
  • SCR system state = metering control
  • for 3 pressure build-up attempts (5 min)
Urea dosing pressure under pressure error during pressure control operation (slow debouncing of upper min pressure threshold)
  • Filtered urea system pressure < 4, 500 hPa
  • For number of pump strokes >= 5
  • SCR system state = metering control
  • for 12 pressure build-up attempts (15 min)
P20E9  Reductant Pressure Too High Urea dosing pressure over pressure monitoring fast
  • Urea system pressure > 10, 000 hPa
  • SCR system state = metering control
  • 4 strokes
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
Urea dosing pressure over pressure monitoring slow
  • Urea system pressure > 8, 500 hPa
  • SCR system state = metering control
  • 30 strokes
  • 2 DCY
P20EA Reductant Control Module Power Relay De-Energized Performance - Too Early SCR-relay relay stuck in open position
  • Delay during movement in closed position >= 0.3 s
  • Relay power state = ON
  • 100 ms
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P20EB Reductant Control Module Power Relay De-Energized Performance - Too Late SCR-relay relay stuck in closed position
  • Delay during movement in open position>= 0.3 s
  • Relay power state = OFF
  • 100 ms
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P20FA Reductant Pump "B" Control Circuit/Open Urea backflow pump open circuit
  • Diagnostic signal from output driver
  • ECM power stage state = OFF
  • 2, 000 ms
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P20FB Reductant Pump "B" Control Performance/Stuck Off Urea dosing pressure decrease fault
  • Time to end pressure reduction mode > 4.5 s
  • Pressure difference > 500 hPa
  • Filtered urea system pressure > 4, 500 hPa
  • Valid pump strokes >= 2
  • SCR mode = pressure reduction
  • MIL not illuminated for DTCs: P208B, P21C7, P21C9, P2047, P20FA, P0634, P20FD, P20FC, P208A, P208D, P208C
  • 100 ms
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P20FC Reductant Pump "B" Control Circuit Low Urea backflow pump short cut to ground low side
  • Diagnostic signal from output driver
  • ECM power stage state = OFF
  • 2, 000 ms
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P20FD Reductant Pump "B" Control Circuit High Urea backflow pump short cut to battery low side
  • Diagnostic signal from output driver
  • ECM power stage state = ON
  • 2, 000 ms
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P202A Reductant Tank Heater Control Circuit/Open SCR heater control circuit 1 rationality check
  • Conductance during heating <= 0.06 s
  • SCR heating = active
  • Battery voltage > 11 V
  • Disable conditions: MIL not illuminated for DTCs: P148B, P20B9, P20BC, P20BB, P146D, P205B
  • 2, 000 ms
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING
P202B Reductant Tank Heater Control Circuit Low SCR heater control circuit 1 conductance too low /open circuit
  • Max. conductance at activation AdBlue tank < 0.114 - 0.163 s
  • Time since activation > 50 s
  • Disable conditions: MIL not illuminated for DTCs: P148B, P20B9, P20BC, P20BB, P146D, P205B
  • no debouncing
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING
P202C Reductant Tank Heater Control Circuit High SCR heater control circuit 1 short in heater element
  • Max conductance at activation > 0.919 - 1, 081 s
  • Time since activation > 50 s
  • Max. conductance recognized
  • Disable conditions: MIL not illuminated for DTCs: P148B, P20B9, P20BC, P20BB, P146D, P205B
  • no debouncing
  • 2 DCY
-- Check the Reducing Agent Heater Control Module -J891- Refer to Reducing Agent Heater Control Module -J891-, CHECKING
P2002  Particulate Trap Bank 1 Efficiency Below Threshold Particulate matter trap, filtering performance evaluating LP EGR filter pressure drop
  • Filtered ratio between calculated and expected pressure drop of EGR Filter > 4.4
  • Time after engine start f (engine coolant temperature at engine start)
  • Exhaust temperature downstream EGR - cooler > 30° C or < 120° C
  • HP - EGR valve < 60% open
  • Variation of LP-EGR mass flow < 0.5 kg/h
  • LP - EGR mass flow > 20 kg/h
  • LP - EGR valve > 35% open for > 4 s
  • Temperature downstream DPF < 350° C or >140° C
  • DPF regeneration = not active
  • Time after successful DPF regeneration > 180 s
  • MIL not illuminated for DTCs: P0101, P0102, P0103, P0104, P0117, P0118, P0121, P0122, P0123, P0236, P0237, P0238, P0401, P0403, P0404, P0405, P0406, P040C, P040D, P045A, P045B, P045C, P045D, P045E, P045F, P046C, P0470, P0471, P0472, P0475, P0475, P0477, P0478, P047F, P0486, P048A, P048B, P048C, P048E, P0606, P0607, P0634, P06FE, P2100, P2101, P2102, P2103, P2111, P2112, P2457, P246E, P2470
  • 500 ms
  • 2 DCY
-- Regeneration Service must be performed. Refer to appropriate Service Information.-- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor - G505-, CHECKING /.-- Check the Exhaust Pressure Sensor 1 -G450-. Refer to Exhaust Pressure Sensor 1 -G450-, CHECKING 
P2031 Exhaust Gas Temperature Sensor 2, Bank 1 Circuit Exhaust Gas Temperature Sensor signal range check high
  • Sensor voltage > 1.72 V
 
  • 480 ms
  • 2 DCY
-- Check The Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P2032 Exhaust Gas Temperature Sensor 2, Bank 1 Circuit Exhaust Gas Temperature Sensor Short to Ground
  • Sensor voltage < 0.45 V
 
  • 480 ms
  • 2 DCY
-- Check The Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING 
P203A Reductant Level Sensor "A" Circuit Low Urea level sensor pattern of the pulse width modulation signal (level sensor)
  • Diagnostic signal from sensor device driver (evaluation of the PWM sensor signal) = frequency not synchronous or timeout
  • Sensor supply voltage ON for > 2.5 s
  • No High signal/ low signal fault for > 2.5 s
  • If a level sensor fault is detected, delayed diagnosis start = 0.5 s
  • 3 s
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P203B Reductant Level Sensor "A" Circuit Range/Performance Urea level sensor monitoring level senor signal / SRC max, SRC min
  • Diagnostic signal from sensor device driver (low time too large) > 102 ms
  • Diagnostic signal from sensor device driver (low time too small) < 19.6 ms
 
  • 3 attempts/ 1.5 s
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
Urea level sensor no echo
  • Number of valid echoes < 3
  • During distance > 10, 000 m
  • T15 = ON
  • Vehicle speed > 10 km/h
  • Filtered level sensor signal > 40 mm; < 200 mm
  • Acceleration < 2 m/s 2
  • Max allowed acceleration not exceeded for 5 s
  • Slope of the road < 5%
  • No sensor hardware fault
  • State of the tank content = liquid
  • 100 ms
  • 2 DCY
P203C Reductant Level Sensor "A" Circuit Low Urea level sensor constant Low signal (current supply, line fault)
  • Diagnostic signal from sensor device driver (evaluation of the PWM sensor signal)
 
  • 2.5 s
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P203D Reductant Level Sensor "A" Circuit High Urea level sensor constant High signal (open loop, line fault)
  • Diagnostic signal from sensor device driver (evaluation of the PWM sensor signal)
  • Sensor supply voltage ON for > 2.5 s
  • 2.5 s
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P2047 Reductant Injection Valve Circuit/Open Bank 1 Unit 1 Urea dosing valve open circuit low side
  • Diagnostic signal from device driver
  • Output driver state = OFF
  • 5, 000 ms
  -- Check the Reducing Agent Injector -N474- Refer to Reducing Agent Injector -N474-, CHECKING
P2048 Reductant Injection Valve Circuit Low Bank 1 Unit 1 Urea dosing valve short cut to ground low side
  • Diagnostic signal from device driver
  • Output driver state = OFF
  • 2, 000 ms
  -- Check the Reducing Agent Injector -N474- Refer to Reducing Agent Injector -N474-, CHECKING
P2049 Reductant Injection Valve Circuit High Bank 1 Unit 1 Urea dosing valve short cut to battery low side
  • Diagnostic signal from device driver
  • Output driver state = OFF
  • 2, 000 ms
  -- Check the Reducing Agent Injector -N474- Refer to Reducing Agent Injector -N474-, CHECKING
P204F  Reductant System Performance Bank 1 SCR catalyst efficiency monitoring of NOx conversion efficiency
  • Average measured NOx concentration during fuel cut off > 50 - 150 ppm
  • Status NOx sensor upstream SCR catalyst = active
  • Fuel cut off = active
  • Coolant temperature > 60° C
  • Ambient temperature > -7° C
  • Ambient pressure > 750 hPa
  • Time since engine start > 120 s
  • Modeled SCR catalyst temperature gradient > - < 1.7 K/s
  • SCR catalyst temperature > 230° C < 350° C
  • NOx model concentration upstream SCR catalyst > 55 ppm < 250 ppm
  • NOx model mass flow gradient upstream SCR catalyst > - < 10 mg/s/s
  • Distance since last intrusive check > 10 km
  • Exhaust gas mass flow > 30 kg/h < 300 kg/h
  • Modeled NH3 slip mass flow < 3 mg/s
  • Modeled NH3 load of SCR catalyst < 1.2 g
  • Engine torque > 40 Nm < 250 Nm
  • Engine speed > 1100 RPM < 2200 RPM >
  • Vehicle speed 10 km/h < 150 km/h
  • Deviation of modeled SCR catalyst NH3 load and set point > -0.2 g < -
  • PM trap load < 24 g
  • Expected SCR catalyst efficiency > 20% < -
  • Disable conditions: MIL not illuminated for DTCs: P0030, P0031, P0032, P0045, P0047, P0048, P0071, P0072, P0070, P00A1, P00A2, P00A3, P00AF, P0101, P0102, P0103, P0104, P0111, P0016, P0017, P0018
  • 400 ms
  • once per DCY
  • 2 DCY
-- Check the NOx Sensor Control Module -J583-. Refer to NOx Sensor Control Module - J583 -, CHECKING
P205B Reductant Tank Temperature Sensor Circuit Range/Performance Urea tank temperature sensor monitoring temperature sensor signal (signal range check)
  • Diagnosis signal from sensor device driver, low time > 102 ms
  • Diagnosis signal from sensor device driver, low time < 19.6 ms
  • T15 = ON
  • 3 attempts / 1.5 s
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
Urea tank temperature sensor plausibility check (liquid media recognized, tank temperature below freeze point)
  • Tank temperature < -18° C
  • Tank level > 16 mm
  • MIL not illuminated for DTCs: P203D, P203C, P203B, P203A, P205B
  • 100 ms
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
Urea tank temperature sensor rationality
  • Difference between urea and ambient temperature > 30 K < -52 K
  • Difference between max and min value of: < 30 K
  • Engine off time > 25, 200 s
  • Decrease of intake air temperature and environmental temperature after engine start < 5 K
  • 2, 000 ms
  • 2 DCY with cold start
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P206B Reductant Quality Sensor Circuit Range/Performance Urea quality sensor plausibility of urea
  • Urea concentration > 65%; < -10%
  • Urea temperature > 70° C; < -44° C
  • Temperature > 20° C; < -20° C
  • Time since key on > 15 s
  • Concentration signal valid
  • Total time without tank heating > 21, 600 s
  • Temperature signal = valid
  • 2 - 10 s
  • Continuous
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P207F  Reductant Quality Performance SCR wrong medium monitor monitoring of DEF quality with quality sensor
  • Ratio DEF desired quality / DEF measured quality out of range > 1.333 < 0.812
  • Status DEF quality sensor = active
  • Disable conditions: MIL not illuminated for DTCs: U02A2, P206B, U05A3, P21CE
  • continuous
  • 1 DCY
-- Check the NOx Sensor Control Module -J583-. Refer to NOx Sensor Control Module - J583 -, CHECKING
P208A Reductant Pump "A" Control Circuit/Open Urea dosing pump open circuit
  • Diagnostic signal of output driver
 
  • 2, 000 ms
  • 2 DCY
-- Check the Reducing Agent Injector -N474- Refer to Reducing Agent Injector -N474-, CHECKING
P208B Reductant Pump "A" Control Performance/Stuck Off Urea dosing pump monitoring coil current during cold start
  • Ratio of current raw value and current calculated from tank temperature > 16%
  • Engine off time > 9 Hours
  • Environmental temperature >= - 7° C
  • T15 on < 30 s
  • SCR system state = no pressure control
  • Homogenous temperatures
  • Disable conditions: MIL not illuminated for DTCs: P21C7, P21C9, P205B
  • 100 ms
  • 2 DCY
-- Check the Reducing Agent Injector -N474- Refer to Reducing Agent Injector -N474-, CHECKING
Urea dosing pump monitoring of MSP (mechanical stop of solenoid pump) and BMP (begin of moving point); MSP and/or BMP not recognized Failure counter for BMP or MSP incremented if:
  • Rated current > 1.1; < 0.9
OR
  • Measured coil current < 500 mA
OR
  • No BMP or MSP detected
Failure stored if number of invalid detection events is above
  • MSP > 50
  • BMP > 25
  • Battery voltage >= 9 V
  • Environmental pressure >= 635 hPa
  • Coil temperature >= - 7° C; <= 150° C
  • Coil temp signal = valid
  • SCR-system state = pressure control, pressure reduction, purge, learn, ECU shutdown process (afterrun)
  • MIL not illuminated for DTCs: P21C7, P21C9, P208A, P0634, P208D, P208C
  • 100 ms
  • 2 DCY
-- Check the Reducing Agent Injector -N474- Refer to Reducing Agent Injector -N474-, CHECKING
P208C Reductant Pump "A" Control Circuit Low Urea dosing pump short cut to ground low side
  • Diagnostic signal of output driver
 
  • 2, 000 ms
  • 2 DCY
-- Check the Reducing Agent Injector -N474- Refer to Reducing Agent Injector -N474-, CHECKING
P208D Reductant Pump "A" Control Circuit High Urea dosing pump short cut to battery low side
  • Diagnostic signal of output driver
 
  • 2, 000 ms
  • 2 DCY
-- Check the Reducing Agent Injector -N474- Refer to Reducing Agent Injector -N474-, CHECKING
P208E Reductant Injection Valve Stuck Closed Bank 1 Unit 1 Urea dosing valve monitoring the valve opening, identification of begin of injection period (BIP) via valve driver
  • Number of consecutive failed attempts to open valve > 50
  • Urea dosing = active
  • Pressure control = active
  • Battery voltage > 11 V
  • Coil temperature of dosing valve > -0.04° C
  • Urea pressure > 0 hPa
OR
  • Heating time for dosing valve > 240 s
  • Disable conditions: MIL not illuminated for DTCs: P2047, P0634, P2049, P2048, P0607
  • 12 s - 14 Min
  • 2 DCY
-- Check the Reducing Agent Injector -N474- Refer to Reducing Agent Injector -N474-, CHECKING
P218F Reductant No Flow Detected First filling procedure of SCR system not finished after replacement at workshop functional check
  • Internal status of reductant first fill procedure = not finished
  • Driving distance since initial vehicle start-up (accumulated distance during one or more driving cycles) > 50 km
  • 100 ms
  • 2 DCY
-- Check SCR fluid level. Refer to appropriate Service Information.
P220A NOx Sensor Supply Voltage Circuit Bank 1 Sensor 1 NOx sensor upstream SCR catalyst sensor supply voltage
  • Difference between battery and sensor supply voltage > 1.5 V OR < -16 V
  • Sensor supply voltage > 12 V
  • Exhaust gas temperature upstream SCR catalyst 150 - 500° C
  • Dewpoint end = reached
MIL not illuminated for DTCs: P2080, P242A, P2031, P246E, P0544, P242C, P2032, P2470, P0545, P0103, P0102, P0104, P0116, P0118, P0117, P0128, P0607, P0238, P0237, P0651, P0101
  • 2.0 s
  • 2 DCY
-- Check the NOx Sensor Control Module -J583-. Refer to NOx Sensor Control Module - J583 -, CHECKING
P2080 Exhaust Gas Temperature Sensor Circuit Bank1 Range/Performance Exhaust gas temperature sensor upstream turbine comparison of exhaust gas temperature sensor upstream turbine with model value
  • Sensor temperature < 85° C
  • Time engine running > 3 min
  • Coolant temperature > 10° C
  • Simulated sensor temperature > 250° C
  • Cumulative time with > 1 s
  • Engine speed > 1100 RPM
  • Disable conditions: MIL not illuminated for DTCs:, P0405, P048C, P0475, P0478, P0477, P048A, P047F, P048E, P048B, P2080, P2084, P242B, P0634, P0606, P042F, P042E, P045B, P045A, P045D, P045C, P0607, P045F, P045E, P0486, P0406, P0405, U0422, P0070, P0072, U0323, P048C, P0475, P0478, P0477, P048A, P047F, P048E, P048B, P2080, P0234, P0299, P026A, P0300, P0301, P0303, P0304, P0302, P0238, P0237, P2453, P020A, P020C, P020D, P020B, P2452, P0544, P2454, P0545, P0641, P0651,
  • 10.0 s
  • 2 DCY
-- Check The Exhaust Gas Temperature Sensor 1 -G235-. Refer to.Exhaust Gas Temperature Sensor 1 -G235-, CHECKING 
Exhaust gas temperature sensor upstream turbocharger cross check of temperature sensors (exhaust part) at cold start conditions
  • Temperature difference to other temperature sensors during cold start > 40° K
  • Engine off time > 25, 200 s
  • Coolant temperature 1 or 2 at engine start < 60° C
  • Decrease of coolant temperature 1 or 2 after 60 s after engine start < 5° K
  • Decrease of intake air temperature and environmental temperature from start temperatures after continuous driving with vehicle speed above 40 km/h for 20 s < 8° K
 
  • 2 DCY
  • with cold start
P2084 Exhaust Gas Temperature Sensor 2 Circuit Range/Performance Exhaust gas temperature sensor upstream DOC comparison of exhaust gas temperature sensor upstream oxidation catalyst with model value
  • Sensor temperature < 85° C
  • Time engine running > 3 min
  • Cumulative time with > 2 s
  • A) engine speed > 1100 RPM b) no fuel cutoff
  • Coolant temperature > 10° C
  • Simulated sensor temperature > 200° C
  • Disable conditions: MIL not illuminated for DTCs:P0103, P0102, P0101, P0104, P0236, P0116, P0071, P00A1, P0118, P0117, P046C, P0403, P0634, P0606, P042F, P042E, P045B, P045A, P045D, P045C, P0607, P045F, P045E, P0486, P0406, P0405, U0422, P0070, P0072, U0323, P048C, P0475, P0478, P0477, P048A, P047F, P048E, P048B, P2080, P2084, P0234, P0299, P026A, P0238, P0237, P2453, P2452, P2031, P0544, P2454, P2032, P0545, P0641, P0651, P0111, P00A3, P00A2, P0121, P2100, P2103,
  • 30 s
  • 2 DCY
-- Check the Exhaust Gas Temperature Sensor 2 -G448-. Refer to Exhaust Gas Temperature Sensor 2 -G448-, CHECKING 
Exhaust gas temperature sensor upstream turbocharger cross check of temperature sensors (exhaust part) at cold start conditions
  • Temperature difference to other temperature sensors during cold start > 40° K
  • Engine off time > 25, 200 s
  • Coolant temperature 1 or 2 at engine start < 60° C
  • Decrease of coolant temperature 1 or 2 after 60 s after engine start < 5° K
  • Decrease of intake air temperature and environmental temperature from start temperatures after continuous driving with vehicle speed above 40 km/h for 20 s < 8° K
 
  • 2 DCY
  • with cold start
P21CE Reductant Quality Module Performance Urea quality sensor release
  • Sensor release valid during accumulation time < 60 s
  • DEF tank level > 50 mm
  • Tank temperature > -3° C
  • Temperature signal valid
  • Vehicle speed > 10 km/h
  • DEF tank level sensor status ≥ 3 (=valid)
  • Above criteria accumulated valid for > 900 s
  • 100 ms
  • Continuous
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P21C7 Reductant Control Module Power Relay/Relays Control Circuit/Open SCR-relay open loop
  • Diagnostic signal from output driver
  • Relay power state = OFF
  • 500 ms
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P21C8 Reductant Control Module Power Relay/Relays Control Circuit Low SCR-relay short to ground
  • Diagnostic signal from output driver
  • Relay power state = OFF
  • 500 ms
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P21C9 Reductant Control Module Power Relay/Relays Control Circuit High SCR-relay short to battery
  • Diagnostic signal from output driver
  • Relay power state = ON
  • 1, 000 ms
  • 2 DCY
-- Check the Reducing Agent Metering System Delivery Unit -GX19- Refer to Reducing Agent Metering System Delivery Unit -GX19-, CHECKING
P2100 Throttle Actuator Control Motor Circuit/Open Throttle Valve Actuator open load
  • Diagnostic signal from output driver
  • ECM Power stage = Off
  • 600 ms
  • 2 DCY
-- Check The Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P2101 Throttle Actuator Control Motor Circuit Range/performance Throttle Valve Actuator short circuit over load
  • Diagnostic signal from output driver
  • ECM Power stage = ON
  • 480 ms
  • 2 DCY
-- Check The Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P2102 Throttle Actuator Control Motor Circuit Low Throttle Valve Actuator Short to Ground
  • Diagnostic signal from output driver
  • ECM Power stage = ON
  • 480 ms
  • 2 DCY
-- Check The Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P2103 Throttle Actuator "A" Control Motor Circuit High Throttle Valve Actuator Short to Battery voltage
  • Diagnostic signal from output driver
  • ECM Power stage = ON
  • 480 ms
  • 2 DCY
-- Check The Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P2111 Throttle Actuator Control System - Stuck Open Throttle valve position control loop comparison of actual and desired position signal
  • Control deviation > 10%; < -10%
  • Position sensor >= 70%
  • Jammed valve - open
 
  • 1500 ms
  • 2 DCY
-- Check The Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P2112 Throttle Actuator Control System - Stuck closed Throttle valve position control loop comparison of actual and desired position signal
  • Control deviation > 10%; < -10%
  • Position sensor < 70%
  • Jammed valve - closed
  • Disable conditions: MIL not illuminated for DTC's: P2100, P2112, P2111, P0641, P0123, P0122
  • 1500 ms
  • 2 DCY
-- Check The Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P2122 Throttle / Pedal Position Sensor / Switch D Circuit Low Input Accelerator pedal position sensor signal range check low
  • Sensor 1 Voltage < 0.61 V
  • Disable conditions: MIL not illuminated for DTCs: P0641
  • 200 ms
  • 2 DCY
-- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2123 Throttle / Pedal Position Sensor / Switch D Circuit High Input Accelerator pedal position sensor signal range check high
  • Signal voltage > 4.79 V
  • Disable conditions: MIL not illuminated for DTCs: P0641
  • 200 ms
  • 2 DCY
-- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2127 Throttle / Pedal Position Sensor / Switch E Circuit Low Input Accelerator pedal position sensor signal range check low
  • Signal voltage < 0.27 V
  • Disable conditions: MIL not illuminated for DTCs: P0651
  • 200 ms
  • 2 DCY
-- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2128 Throttle / Pedal Position Sensor / Switch E Circuit High Input Accelerator pedal position sensor signal range check high
  • Signal voltage > 2.43 V
  • Disable conditions: MIL not illuminated for DTCs: P0651
  • 200 ms
  • 2 DCY
-- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2138 Throttle / Pedal Position Sensor/Switch D/E Voltage Correlation Accelerator pedal position sensor plausibility check
  • (App sensor 1 voltage / 2) - app sensor 2 voltage < f (app sensor1 voltage, app sensor 2 voltage) V (tolerance 13% to 20%)
 
  • 260 ms
  • 2 DCY
-- Check the Accelerator Pedal Module -GX2-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2146 Fuel Injector Group "A" Supply Voltage Circuit/Open Injector Supply Voltage Open Circuit
  • Diagnostic signal from output driver = characteristic error pattern
  • Injector Valve = Switched On
  • 5 [injections]
  • Continuous
  • 2 DCY
-- Check Fuel Injectors --. Refer to Fuel Injector --, CHECKING .
P2149 Fuel Injector Group "B" Supply Voltage Circuit/Open Injector Supply Voltage Open Circuit
  • Diagnostic signal from output driver = characteristic error pattern
  • Injector Valve = Switched On
  • 5 [injections]
  • Continuous
  • 2 DCY
-- Check Fuel Injectors --. Refer to Fuel Injector --, CHECKING .
P2173 Throttle Actuator Control System - High Airflow Detected Throttle valve monitoring differential pressure across throttle valve
  • Differential pressure > limit from map f (engine speed, engine torque)
  • Operating mode = DPF regeneration
  • Engine speed > 1200; < 2900 RPM
  • Engine torque > 0 Nm; < 119 Nm
  • 6000 ms
  • 2 DCY
-- Check The Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module - GX3-, CHECKING .
P2183 Engine Coolant Temperature Sensor 2 Circuit Range/Performance Engine Coolant Temperature Sensor On Radiator cross check of temperature sensors (engine part) at cold start conditions
  • Temperature difference to at least 4 other temperature sensors during cold start > 30 K
  • Engine off time > 25, 200 s
  • Coolant temperature 1 or 2 at engine start < 60° C
  • Decrease of coolant temperature 1 or 2 after 60 s after engine start < 5 - 10K (2 - 8K in case of block heater installation coded)
  • Decrease of intake air temperature and environmental temperature from start temperatures after continuous driving with vehicle speed above 40 km/h for 20 s < 8 K
  • Total ECU ON time without engine start < 300 s
  • 20 ms
  • Once/ DCY
  • 2 DCY
  • with cold start
-- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2184 Engine Coolant Temperature Sensor 2 Circuit Low Engine Coolant Temperature Sensor On Radiator Outlet signal range check low
  • Signal Voltage < 0.15 V
 
  • 480 ms
  • Continuous
  • 2 DCY
-- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2185 Engine Coolant Temperature Sensor 2 Circuit High Engine Coolant Temperature Sensor On Radiator Outlet Circuit signal range check high
  • Signal Voltage > 3.25 V
 
  • 480 ms
  • Continuous
  • 2 DCY
-- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2195  O2 Sensor Signal Stuck Lean Bank 1 Sensor 1 O2 Sensor Signal Plausibility check with calculated oxygen concentration (airflow quantity and fuel quantity)
  • Deviation between measured and model oxygen concentration > 4.6% vol/vol; < -6.3% vol/vol
  • Engine speed > 1100 RPM
  • Fuel injection mass > 8 mg/ stroke
  • Fuel injection mass < 40 mg/ stroke
  • Current air mass > 150 mg/ stroke
  • LSU heater control = active
  • Regeneration = inactive
  • Ambient temperature > -7° C
  • Ambient pressure > 740 hPa
  • Integrated air flow > 120 g
  • Disable conditions: MIL not illuminated for DTCs: P0135, P0032, P0031, P0030, P2237, P2251, P2626, P2243, P0132, P0131, P0606, P0475, P0478, P0477, P048A, P047F, P048E, P048B, P0401, P0402,
  • 2.0 s
  • 2 DCY
-- Check The Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P2196  O2 Sensor Signal Stuck Rich Bank 1 Sensor 1 O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1
  • Deviation to oxygen concentration (while fuel cutoff) > 4.8% vol/vol
  • Engine speed > 1220 RPM
  • Fuel injection mass < 0.2 mg/ stroke
  • Current air mass > 250 mg/ stroke
  • LSU heater control = active
  • Ambient temperature > -7 °C
  • Ambient pressure > 740 hPa
  • Regeneration = inactive
  • EGR valves = closed
  • Integrated air flow > 150 g
  • Disable conditions: MIL not illuminated for DTCs: P0135, P0032, P0031, P0030, P2237, P2251, P2626, P2243, P0132, P0131, P0606, P0475, P0478, P0477, P048A, P047F, P048E, P048B, P0401, P0402,
  • 2.0 s
  • 2 DCY
-- Check The Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P2200 NOx Sensor Bank 1 Sensor 1 Circuit NOx sensor upstream SCR catalyst open circuit/ short cut
  • NOx sensor status ratio false/ total time > 0.5
  • Dew point end = reached
  • Battery voltage > 10.8 V
  • Measured A/F ratio (O2S) > 1.0
  • NOx sensor = activation has occurred
  • OR
  • Forced activation x sec after dew point release > 350 s
  • Dew point = exceeded
  • Steady state condition (actual-filtered A/F ratio (O2S)) < 0 - 0.2
  • For > 5 s
  • Disable conditions: MIL not illuminated for DTCs: U0028, P0606, P220A, P2203, P2202, P2200,
  • Event debouncing 3x15 s
  • 2 DCY
-- Check the NOx Sensor Control Module -J583-. Refer to NOx Sensor Control Module - J583 -, CHECKING
P2201  NOx Sensor Circuit Range/Performance Bank 1 Sensor 1 NOx Sensor Circuit NOx offset signal range check low/high
  • Average NOx offset during fuel cut off < -30 ppm or > 120 ppm
  • Time after dewpoint release for > 250 s
  • NOx signal valid for > 30 s
  • Measured lambda value > 1
  • Engine speed > 1, 000 RPM < 3, 500 RPM
  • Engine condition = fuel cut off
  • Integrated air flow > f(NOx concentration at begin of fuel cutoff) 100 - 500 g
  • Average exhaust gas temperature in SCR catalyst > 50° C < 330° C
  • Modeled NH3 -load of SCR- < 0.3 g
  • Fuel quantity in fuel cut off = 0 g/rev
  • LP-EGR < 5% > -5%
  • Disable conditions: MIL not illuminated for DTCs: U0028, P0606, P220A, P2203, P2202, P2200, P0103, P0102, P0101, P0104, P046C, P0403, P0634, P042F, P042E, P045B, P0406, P0405, P048C
  • 2x10 s
  • 2 DCY
-- Check the NOx Sensor Control Module -J583-. Refer to NOx Sensor Control Module - J583 -, CHECKING
Dynamic check
  • Time for NOx-sensor signal to decrease from 100 % to 40 % > 7 s
  • Time for NOx-sensor signal to decrease from 70 % to 40 % > 5 s
  • Heater control = active
  • DPF regeneration = not active
  • Minimum fuel quantity to activate > 0.04 g/rev
  • Range for deviation of fuel quantity < 0.01 g/rev
  • For time > 2 s
  • Fuel quantity in fuel cut off < 0.001 g/rev
  • Fuel quantity in fuel cut off < 1.5 s
  • Engine speed > 1100 RPM
  • DPF regeneration not active
  • Disable conditions: MIL not illuminated for DTCs: U0028, P0606, P2201, P220A, P2200, P2203, P2202, P2080, P242A, P2031, P246E, P0544, P242C, P2032, P2470, P0545, P0103, P0102, P0104, P0116, P0118, P0117, P0128, P0607, P0238, P0237, P0651, P0101
  • 7 s
monitoring of NOx undershoot during fuel cut off
  • NOx signal < - 40 ppm
  • Engine condition = fuel cut off
  • Engine speed > 1, 000 < 3, 500 RPM
  • NOx-signal valid for > 30 s
  • Time after dew point release for sensor heating > 250 s
  • Fuel quantity in fuel cut off = 0 g/rev
  • LP-EGR < 5%
  • LP-EGR > -5%
  • Disable conditions: MIL not illuminated for DTCs: P0103, P0102, P0101, U0028, P0606, P0403, P0634, P220A, P2201, P2200, P2209, P2203, P2202, P0045, P0048, P0047, P2080, P242A, P2031, P246E, P0544, P242C, P2032, P2470, P0545, P0104, P0116, P0118, P0117, P0128, P0607, P0238, P0237, P0651
  • 3 x 5.5 s
plausibility of NOx sensor upstream SCR-catalyst
  • Measured NOx value - > -0.6
  • Calculated NOx value < 1.2
  • Status NOx Sensor upstream SCR catalyst = active
  • DPF regeneration not active
  • For time > 1 s
  • Calculated SCR conversion efficiency >= 0.92
  • NH3 slip model <= 3 mg/s
  • Engine speed >= 1000 RPM <= 3000 RPM
  • For time > 2 s
  • Injection quantity >= 10 mg/stroke <= 30 mg/stroke
  • For time > 2 s
  • Ambient pressure >= 750 hPa <= 1100 hPa
  • Ambient temperature >= -7°C <= 80°C
  • Calculated NOx value >= 50 ppm <= 740 ppm
  • Engine running >= 1 s
  • SCR cat. Temperature >= 150°C <= 285°C
  • Vehicle speed >= 40 km/h <= 120 km/h
  • Release conditions valid for 4 s
  • Disable conditions: MIL not illuminated for DTCs: P0103, P0102, P0101, P241F, P0403, P0634, P0606, P0607, P2201, P220A, P2200, P2203, P2202, P2209, P0238, P0237
  • 4x4 s; after 3rd failing event, the EGR will be closed for the 4th monitoring event
P2202 NOx Sensor Bank 1 Sensor 1 Circuit Low NOx sensor upstream SCR catalyst signal range check low
  • NOx sensor reading < -105 ppm
  • Dew point end = reached
  • 2 s
  • 2 DCY
-- Check the NOx Sensor Control Module -J583-. Refer to NOx Sensor Control Module - J583 -, CHECKING
P2203 NOx Sensor Bank 1 Sensor 1 Circuit High NOx sensor upstream SCR catalyst signal range check high
  • NOx sensor reading > 1, 655 ppm
  • NOx control loop = closed
  • 2 s
  • 2 DCY
-- Check the NOx Sensor Control Module -J583-. Refer to NOx Sensor Control Module - J583 -, CHECKING
P2209  NOx Sensor Heater Sense Bank 1 Sensor 1 Circuit Range/Performance NOx sensor upstream SCR catalyst timeout of 'readiness for operation'
  • NOx-control not active for > 180 s
  • Dew point = exceeded
  • Disable conditions: MIL not illuminated for DTCs: U0028, P0606, P220A, P2203, P2202, P2200,
  • 180 s
  • 2 DCY
-- Check the NOx Sensor Control Module -J583-. Refer to NOx Sensor Control Module - J583 -, CHECKING
P2237 O2 Sensor Positive Current Control Circuit Bank 1 Sensor 1 Open O2 Sensor Positive Current Control pump cell transition check - circuit continuity
  • Measured calibration resistance at nernst cell > 75.00 Ω
AND
  • Measured calibration resistance at pump cell < 75.00 Ω
  • Operating temperature = reached
  • Heater control closed loop
  • Disable conditions: P2237, P2251, P2626, P2243, P0132, P0131, P0606, P0135, P0032, P0031, P0030
  • 4.0 s
  • Continuous
  • 2 DCY
-- Check The Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P2243 O2 Sensor Reference Voltage Circuit Bank 1 Sensor 1 Open O2 Sensor Reference Voltage nernst cell transition check for hot sensor - circuit continuity
  • Measured calibration resistance at nernst cell < 75.00 Ω
AND
  • Measured calibration resistance at pump cell > 75.00 Ω
  • Operating temperature = reached
Disable conditions: MIL not illuminated for DTCs: P2237, P2251, P2626, P2243, P0132, P0131, P0606, P0135, P0032, P0031, P0030
  • 4.0 s
  • Continuous
  • 2 DCY
-- Check The Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P2251 O2 Sensor Negative Current Control Circuit Bank 1 Sensor 1 open O2 Sensor Negative Current nernst and pump cell transition check - circuit continuity
  • Difference between measured calibration resistance at pump cell and at nernst cell < 75.00 Ω
  • Measured calibration resistance at pump cell < 75.00 Ω
  • Operating temperature = reached
Disable conditions: MIL not illuminated for DTCs: P2237, P2251, P2626, P2243, P0132, P0131, P0606, P0135, P0032, P0031, P0030
  • 4.0 s
  • Continuous
  • 2 DCY
-- Check The Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P226C  Turbocharger Boost Control "A" Slow Response Turbocharger Boost Control "A" Slow Response check of dynamic response of the boost pressure (positive gradient of desired boost pressure)
  • Characteristic value (modeled boost pressure/measured boost pressure) > 8-25 %
  • Gradient of desired boost pressure value > 0 hPa/s
  • Engine speed = 1, 400 - 3, 000 RPM
  • Engine condition = running
  • Fuel quantity = 5 - 45 mg/stroke
  • DPF regeneration mode = off
  • Commanded boost pressure > 1.3 x Ambient Pressure
  • Change in boost pressure setpoint > f (fuel quantity, ratio (commanded Boost pressure/ambient pressure))
  • Actuator opened at least once by > 10%
  • 3x10 s
  • 2 DCY
-- Check The Wastegate Bypass Regulator Valve -N75-. Refer to Wastegate Bypass Regulator Valve -N75-, CHECKING .
P2279 Intake Air System Leak Intake Air System Leak plausibility check by model air mass
  • Ratio of model air mass and actual airflow mass > 0.7
  • Engine = running
  • EGR valve < 1%
  • Throttle valve < 1%
  • Exhaust flap < 1.0%
  • LP EGR valve < 1.0%
  • Engine speed > 1, 200; < 3, 500 RPM
  • ECT between 59.96 and 124° C
  • Fuel quantity > 1mg/stroke
  • VVT actuator < 12° crankshaft angle
  • Boost pressure < 3500 hPa
  • Ambient pressure > 600 hPa
  • Time after engine start > 2 s
  • 3.0 s
  • 2 DCY
-- Check for leaking engine gaskets, oil cap not installed properly or leak in the intake duct after the Mass Air Flow sensor.
P2294 Fuel Pressure Regulator 2 Control Circuit Fuel Pressure control Valve / fuel pressure regulator Circuit Open
  • Diagnostic signal from output driver
  • Output driver = OFF Status
  • 290 ms
  • Continuous
  • 2 DCY
-- Check The Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .
P2295 Fuel Pressure Regulator 2 Control Circuit Low Fuel Pressure control Valve / fuel pressure regulator Shorted to Ground
  • Diagnostic signal from output driver
  • Output driver = OFF Status
  • 50 ms
  • Continuous
  • 2 DCY
-- Check The Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .
P2296 Fuel Pressure Regulator 2 Control Circuit High Fuel Pressure control Valve / fuel pressure regulator Shorted to Battery Voltage
  • Diagnostic signal from output driver
  • Output driver = ON Status
  • 290 ms
  • Continuous
  • 2 DCY
-- Check The Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .
P240F  Exhaust Gas Recirculation Slow Response EGR slow response comparison of desired and measured air mass flow
  • Calculated characteristics value: at positive air mass flow change > 10[-]
  • EGR valve > 10% and/or < 90%.
  • Engine torque > 20 Nm < 300 Nm
  • Engine speed > 1, 300 OR < 2, 500 RPM
  • Ambient temp > -10° C
  • Ambient pressure > 750 hPa
  • Exhaust throttle valve > 10 % or < 90 %
  • Throttle valve > -1% or < 1%
  • LP EGR valve > 10% or < 90%
  • VVT >= n.a. OR <= n.a.
  • Desired air mass flow change > 10 kg/(h*s) < 328 kg/(h*s)
  • Desired air mass minus measured air mass < 328 kg OR > 0 kg
  • Particulate matter trap regeneration = active
  • Disable conditions: MIL not illuminated for DTC's: P0045, P0047, P0048, P0071, P0072, P0073, P00AF, P0101, P0102, P0103, P0116, P0117, P0118, P0234, P0237, P0238, P0299, P0321, P0322, P0401,
  • 10 s
  • 2 DCY
-- Check The EGR Valve 1 -GX5-. Refer to EGR Valve 1 - GX5 -, CHECKING .-- Check the EGR Valve 2 -GX6-. Refer to EGR Valve 2 -GX6-, CHECKING .
  • Calculated characteristics value: at negative air mass flow change > 10[-]
  • EGR valve > 10% and/or < 90%.
  • Engine torque > 20 Nm < 300 Nm
  • Engine speed > 1, 300 OR < 2, 500 RPM
  • Ambient temp > -10° C
  • Ambient pressure > 750 hPa
  • Exhaust throttle valve > 10 % or < 90 %
  • Throttle valve > -1% or < 1%
  • LP EGR valve > 10% or < 90%
  • VVT >= n.a. OR <= n.a.
  • Desired air mass flow change > -328 kg OR < -10 kg
  • Desired air mass minus measured air mass < 0
  • Disable conditions: MIL not illuminated for DTC's: P0045, P0047, P0048, P0191, P0192, P0193, P0201, P0202, P0203, P0204, P0234, P0236, P0237, P0238, P0299, P0321, P0322, P0403, P0405, P0406, P045A
P241F  EGR Cooler "B" Efficiency Below Threshold Low-pressure EGR cooler / cooler performance comparison of EGR cooler efficiency to efficiency threshold
  • EGR Cooler Efficiency < dynamic threshold (f (RPM, LP EGR Mass flow))
  • Engine speed > 1200 RPM < 3000 RPM
  • Fuel quantity > 4, 5 mg/stroke < 60 mg/stroke
  • Mass flow LP EGR > 20 kg/h < 100 kg/
  • Temp. difference between EGR cooler intake and engine coolant temperature > 70 K < 350 K
  • Engine coolant temperature > 60 ° C < 125 ° C
  • Ambient pressure > 710 hPa
  • Ambient air temperature> -15° C < 60° C
  • DPF regeneration = not active
  • Control value of electrical coolant pump > 75%
  • Low pressure EGR valve > 25% open
  • Main water pump = on
  • Disable conditions: MIL not illuminated for DTCs: P0103, P0102, P0101, P0104, P0236, P0116, P0071, P2183, P0118, P0117, P0128, P045B, P045A, P0634, P045D, P045C, P0607, P045F, P045E, P0486, U0422, P0070, P0072, U0323, P246F, P041B, P0401, P0402, P0238, P0237, P26F4, P199E, P199C, P199D
  • 80 s
  • 2 DCY
-- Check the EGR Valve 2 -GX6-. Refer to EGR Valve 2 -GX6-, CHECKING 
P242A Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3 Exhaust gas temperature sensor upstream PM trap signal range check high
  • Signal voltage > 1.72 V
 
  • 480 ms
  • 2 DCY
-- Check The Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P242B Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3 Range/Performance Exhaust gas temperature sensor upstream PM trap cross check of temperature sensors (exhaust part) at cold start conditions
  • Temperature difference to other temperature sensors during cold start > 40° K
  • Engine off time > 25, 200 s
  • Coolant temperature 1 or 2 at engine start < 60° C
  • Decrease of coolant temperature 1 or 2 after 60 s < 5 K (2 K in case of block heater installation coded)
  • Decrease of intake air temperature and environmental temperature < 8° K
 
  • 2 DCY
  • with cold start
-- Check The Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P242C Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3 Exhaust gas temperature sensor upstream PM trap signal range check low
  • Signal voltage < 0.45 V
 
  • 480 ms
  • 2 DCY
-- Check The Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING 
P244C Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 1 Exhaust temperature control loop (temperature upstream turbine) TTCL of temperature upstream turbine
  • Time to activate control loop EGT Upstream turbine > 45 s
  • Heating for PM trap regeneration = active
  • Engine torque > 70 Nm and/or < 280 Nm
  • Engine speed > 1200 and/or < 2, 850 RPM
  • Disable conditions MIL not illuminated for DTC's P2080, P2084, P242A, P0544, P242C, P0545
  • 47 s
  • 1 DCY
-- Check The Exhaust Gas Temperature Sensors --. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING /Exhaust Gas Temperature Sensor 2 -G448-, CHECKING Exhaust Gas Temperature Sensor 3 -G495-, CHECKING /Exhaust Gas Temperature Sensor 4 -G648-, CHECKING 
  • Time to activate control loop EGT Upstream particulate matter trap > 90 s
  • Particulate matter trap regeneration = On
  • Engine torque > 50 Nm and/or < 325 Nm
  • Engine speed > 1200 and/or < 3050 RPM
  • ECT > 75° C
  • Vehicle speed > 2 km/h
  • Disable conditions MIL not illuminated for DTC's P2080, P242A, P242C
  • 92 s
P2452 Diesel Particulate Filter Differential Pressure Sensor Circuit Relative pressure sensor upstream particulate matter trap signal range check high
  • Signal voltage > 4.9 V
  • MIL not illuminated for DTCs: P0641
  • 480 ms
  • 2 DCY
-- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor - G505-, CHECKING /.-- Check the Exhaust Pressure Sensor 1 -G450-. Refer to Exhaust Pressure Sensor 1 -G450-, CHECKING 
P2453 Diesel Particulate Filter Differential Pressure Sensor Circuit Range/Performance Exhaust Pressure Sensor Circuit Offset detection during afterrun
  • Relative pressure raw signal > 200 hPa and/or < -150 hPa
OR
  • Relative pressure raw signal > 80 hPa and/or < -80 hPa
  • Offset corrected differential pressure signal > 10 hPa and < -10 hPa
  • Engine condition = after-run
  • Time since engine stop > 7.5 s
  • ECT > 49.96° C
  • Offset adaptation during driving cycle = successful
  • MIL not illuminated for DTCs: P0101, P0236, P0116, P0406, P0405, P2084, P0123, P0122, P0045, P0048, P0047, P2565, P2564, P0103, P0102, P0104, P0118, P0117, P0128, P0607, P0238, P0237, P2452, P246E, P2454, P2470, P0651
  • 500 ms
  • 2 DCY
-- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor - G505-, CHECKING /.-- Check the Exhaust Pressure Sensor 1 -G450-. Refer to Exhaust Pressure Sensor 1 -G450-, CHECKING 
P2454 Diesel Particulate Filter Differential Pressure Sensor Circuit Low Relative pressure sensor upstream particulate matter trap signal range check low
  • Signal voltage < 0.2 V
  • MIL not illuminated for DTCs: P0641
  • 480 ms
  • 2 DCY
-- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor - G505-, CHECKING /.-- Check the Exhaust Pressure Sensor 1 -G450-. Refer to Exhaust Pressure Sensor 1 -G450-, CHECKING 
P2456 Diesel Particulate Filter Pressure Sensor "A" Circuit Intermittent/Erratic Relative pressure sensor upstream particulate matter trap dynamic plausibility of the pressure sensor signal
  • Pressure integral of measured pressure < 4 hPa
  • Engine condition = running
  • Coolant temperature > 35° C
  • Engine speed > 900 RPM
  • Pressure integral of reference pressure gradient measured at pressure sensor downstream particulate matter trap >= 1500 hPa
  • Integrator stopped if:
  • Gradient of reference pressure measured at pressure sensor downstream particulate matter trap < 2 hPa/s
  • Modeled temperature at sensor position > 5° C
  • 100 ms
  • 2 DCY
-- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor - G505-, CHECKING /.-- Check the Exhaust Pressure Sensor 1 -G450-. Refer to Exhaust Pressure Sensor 1 -G450-, CHECKING 
Relative pressure sensor upstream particulate matter trap dynamic plausibility of the differential pressure signal
  • Inverse change of differential pressure per time > -1 hPa/s; < 1 hPa/s
  • If change of volume flow < -20 (m^3/h)/s
  • If change of volume flow > 20 (m^3/h)/s
  • Engine condition = running
  • Time since engine start > 20 s
  • MIL not illuminated for DTCs: P0045, P0047, P0048, P0100, P0101, P0102, P0103, P0104, P0112, P0113, P0116, P0117, P0118, P0122, P0123, P0128, P0236, P0401, P0402, P0405, P0406, P04DD, P04DE, P0501, P0502, P0606, P0607, P0651, P2084, P242B, P2452, P2454, P246E, P2470, P2564, P2565, U0001, U0002, U0415, P0238, P0237, P0651, P2084, P242A, P242B, P242C, P2454, P2452
  • 3 x 4000 ms
P2458  Diesel Particulate Filter Regeneration Duration Particulate matter trap, incomplete regeneration particulate matter trap regeneration time exceeds maximum threshold
  • Regeneration time > 12, 600 s
  • PM trap regeneration = active
  • PM trap regeneration has ended = true
  • MIL not illuminated for DTCs: P0103, P0102, P0101, P0236, P0604, P0607, P0321, P0322, P246F, P2452, P242A, P246E, P2454, P242C, P2470, P0651
  • 20 ms
  • 2 DCY
-- Regeneration Service must be performed. Refer to appropriate Service Information.-- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor - G505-, CHECKING /.-- Check the Exhaust Pressure Sensor 1 -G450-. Refer to Exhaust Pressure Sensor 1 -G450-, CHECKING 
P2459  Diesel Particulate Filter Regeneration Frequency Diesel Particulate Filter Regeneration Frequency comparison of particulate matter trap loading calculated from engine particulate matter emissions with particulate matter trap loading calculated from differential pressure at the beginning of particulate matter trap regeneration
  • Particulate matter trap loading (calculation from differential pressure) > dynamic rising threshold [f (soot emissions), complex simulation model]
  • PM trap regeneration = not active
  • PM trap regeneration has occurred = true
  • PM trap regeneration = starting
  • or
  • Threshold above max soot load for triggering DPF reg
  • OR
  • If the simulated soot mass is higher than the threshold for triggering a particulate matter trap regeneration
  • MIL not illuminated for DTCs: P0101, P0104, P0236, P0116, P0118, P0117, P046C, P0403, P0634, P0606, P042F, P042E, P045B, P045A, P045D, P045C, P0607, P045F, P045E, P0486, P0406
  • 20 ms
  • 2 DCY
-- Regeneration Service must be performed. Refer to appropriate Service Information.-- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor - G505-, CHECKING /.-- Check the Exhaust Pressure Sensor 1 -G450-. Refer to Exhaust Pressure Sensor 1 -G450-, CHECKING 
P2463 Diesel Particulate Filter - Soot Accumulation Particulate matter trap calculated particulate matter trap loading exceeds maximum threshold
  • Calculated particulate matter trap loading > 40 g
 
  • 200 ms
  • 2 DCY
-- Regeneration Service must be performed. Refer to appropriate Service Information.-- Check the Differential Pressure Sensor -G505-. Refer to Differential Pressure Sensor - G505-, CHECKING /.-- Check the Exhaust Pressure Sensor 1 -G450-. Refer to Exhaust Pressure Sensor 1 -G450-, CHECKING 
P246E Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4 Exhaust gas temperature sensor downstream PM trap signal range check high
  • Signal voltage > 1.72 V
 
  • 480 ms
  • 2 DCY
-- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to Exhaust Gas Temperature Sensor 4 -G648-, CHECKING .
P246F Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4 Range/Performance Exhaust gas temperature sensor downstream PM trap comparison of exhaust gas temperature sensor downstream particulate matter trap with model value
  • Sensor temperature < 85°C
  • Time engine running > 3 min
  • Cumulative time > 10 s
  • With
  • Engine speed > 1100 RPM
  • Coolant temperature > 10° C
  • Simulated sensor temperature > 240° C
  • Disable conditions MIL not illuminated for DTC's: P0103, P0102, P0101, P0104, P0236, P0116,, P0071, P00A1, P0118, P0117, P046C, P0403, P0634, P0606, P042F, P042E, P045B, P045A, P045D, P045C, P0607, P045F, P045E, P0486, P0406, P0405, U0422, P0070, P0072, U0323, P048C, P0475, P0478, P0477, P048A, P047F, P048E, P048B, P242B, P246F, P0234, P0299, P026A, P0238, P0237, P2002, P2453, P2452, P242A, P246E, P2454, P242C, P2470, P0641, P0651, P0111, P00A3, P00A2, P0121, P2100, P2103
  • 60 s
  • 2 DCY
-- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to Exhaust Gas Temperature Sensor 4 -G648-, CHECKING .
Exhaust gas temperature sensor downstream PM trap cross check of temperature sensors (exhaust part) at cold start conditions
  • Temperature difference to other temperature sensors during cold start > 40° K
  • Engine off time > 25, 200 s
  • Coolant temperature 1 or 2 at engine start < 60° C
  • Decrease of coolant temperature 1 or 2 after 60 s < 5 K (2 K in case of block heater installation coded)
  • Decrease of intake air temperature and environmental temperature from start < 8° K
 
  • 2 DCY
  • with cold start
P2470 Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 4 Exhaust gas temperature sensor downstream PM trap signal range check low
  • Signal voltage < 0.45 V
 
  • 480 ms
  • 2 DCY
-- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to Exhaust Gas Temperature Sensor 4 -G648-, CHECKING 
P2478 Exhaust Gas Temperature Out of Range Bank 1 Sensor 1 Exhaust temperature control loop comparison of actual and desired temperature upstream turbine (positive and negative control deviation)
  • Control deviation > limit from map f (engine speed, torque)
OR
  • < Limit from map f (engine speed, torque)
  • Particulate matter trap regeneration = active
  • Temperature control loop = active for more than 30 s (temp. upstream turbine > 350° C)
  • CSERS = ON
  • Temperature control loop = ON ((temp. upstream turbine > 200° C)
  • Engine torque > 45 Nm < 240 Nm
  • Engine speed > 1, 000 RPM < 3, 000 RPM
  • Coolant temperature > 13° C < 75° C
  • Gear > 2
  • Environmental temperature > -26° C
  • Disable conditions MIL not illuminated for DTC's P2478, P2080, P0545
  • 20 s
  • 2 DCY
-- Check The Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING 
Exhaust temperature control loop number of regeneration interruptions due to temperature upstream turbine too high (>860°C)
  • Number of interruptions > 2
  • Particulate matter trap regeneration = active
  • Temperature control loop = ON (temp. upstream turbine > 350° C)
  • Disable conditions MIL not illuminated for DTC's P0544, P2080, P0545
  • 0.1 s
  • Continuous
P247A Exhaust Gas Temperature Out of Range Bank 1 Sensor 3 Exhaust temperature control loop (temperature upstream particulate matter trap) comparison of actual and desired temperature upstream particulate matter trap (positive and negative control deviation)
  • Control deviation > limit from Map
OR
  • < Limit from Map f (engine speed, torque
  • Particulate matter trap regeneration = active
  • Temperature control loop = ON (temp. upstream PM trap >450° C and temp. downstream PM trap > 200° C)
  • Disable conditions MIL not illuminated for DTC's P247A, P2080, P2084, P242B, P242C, P2032, P0545
  • 20 s
  • 1 DCY
-- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
Exhaust temperature control loop (temperature upstream particulate matter trap) number of regeneration interruptions due to temperature upstream pm trap too high (>860°C)
  • Number of interruptions > 2
  • Particulate matter trap regeneration = active
  • Temperature control loop = ON (temp. upstream PM trap >450° C and temp. downstream PM trap > 200° C)
  • Disable conditions MIL not illuminated for DTC's P2080, P242A, P242C
  • 0.1 s
  • Continuous
P2539 Low Pressure Fuel System Sensor Circuit Low Pressure Fuel System Sensor
  • Signal voltage > 4.79 V
 
  • 480 ms
  • Continuous
  • 2 DCY
-- Check the Low Fuel Pressure Sensor -G410-. Refer to Low Fuel Pressure Sensor -G410-, CHECKING 
P2541 Low Pressure Fuel System Sensor Circuit Low Low Pressure Fuel System Sensor short to ground
  • Signal voltage < 0.2 V
 
  • 480 ms
  • Continuous
  • 2 DCY
-- Check the Low Fuel Pressure Sensor -G410-. Refer to Low Fuel Pressure Sensor -G410-, CHECKING 
P2563 Turbocharger Boost Control Position Sensor Circuit Range/Performance Turbo charger actuator position sensor physical signal range check
  • Signal voltage > 4.5 V and/or < 0.3 V
 
  • 480 ms
  • 2 DCY
-- Check The Charge Pressure Actuator Position Sensor -G581-. Refer to Charge Pressure Actuator Position Sensor - G581-, CHECKING .
Turbo charger actuator position sensor position sensor signal in desired range during closed position learning
  • Position sensor signal during closed position learning > 1.72 V and/or < 0.3 V
  • Engine = running
  • Desired position of Turbo charger actuator = 100%
  • Battery voltage > 10.7 V
  • Ambient pressure signal > 733 hPa
  • Time after Start > 40, 000 ms
  • 200 ms
P2564 Turbocharger Boost Control Position Sensor Circuit Low Turbo charger actuator position sensor signal range check low
  • Signal voltage < 0.15 V
 
  • 480 ms
  • 2 DCY
-- Check The Charge Pressure Actuator Position Sensor -G581-. Refer to Charge Pressure Actuator Position Sensor - G581-, CHECKING .
P2565 Turbocharger Boost Control Position Sensor Circuit High Turbo charger actuator position sensor signal range check high
  • Signal voltage > 4.85 V
 
  • 480 ms
  • 2 DCY
-- Check The Charge Pressure Actuator Position Sensor -G581-. Refer to Charge Pressure Actuator Position Sensor - G581-, CHECKING .
P2610 ECM/PCM Internal Engine Off Timer Performance Engine Off timer plausibility counts of "Engine Off Timer"
  • Quantity count over time threshold < 7.52 or > 8.48 s
.
  • Engine off
  • Power on reset
  • 24 s in key Off position
  • 2 DCY
-- Replace the Engine Control Module (ECM) -J623- Refer to the Service Information for procedure.
P2626 O2 Sensor Pumping Current Trim Circuit/Open Bank 1, Sensor 1 Oxygen sensor LSU check of compensation resistor wire circuit continuity
  • Measured voltage at compensation resistor > 3 V
AND
  • Measured calibration resistance at pump cell > 75.00 Ω
  • Operating temperature = reached
  • Heater control = closed loop
  • 4.0 s
  • Continuous
  • 2 DCY
-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P2635 Fuel Pump "A" Low Flow/Performance (only Golf) Electric Fuel Pump Speed Too Low
  • Diagnostic signal from output driver
 
  • 1180 ms
  • 2 DCY
-- Check The Fuel Delivery Unit -GX1- Refer to Fuel Delivery Unit -GX1-, Fuel Pump Relay -J17- CHECKING  OR Fuel Pump Control Module - J538- / Fuel Delivery Unit -GX1-, CHECKING 
Electric Fuel Pump Mechanical Fault
  • 1380 ms
Electric Fuel Pump Speed Too Low
  • 1980 ms
P26F4 Coolant Pump "C" Control Circuit/Open Electric coolant pump open loop
  • Diagnostic signal from output driver
 
  • 480 ms
  • 2 DCY
-- Check the Heater Support Pump -V488-. Refer to Heater Support Pump -V488-, CHECKING 
P26F5 Coolant Pump "C" Control Circuit Low Electric coolant pump short circuit to ground
  • Diagnostic signal from output driver
 
  • 4.0 s
  • 2 DCY
-- Check the Heater Support Pump -V488-. Refer to Heater Support Pump -V488-, CHECKING 
P26F6 Coolant Pump "C" Control Circuit High Electric coolant pump short circuit to battery
  • Diagnostic signal from output driver
 
  • 480 ms
  • 2 DCY
-- Check the Heater Support Pump -V488-. Refer to Heater Support Pump -V488-, CHECKING 
P26F7 Coolant Pump "C" Supply Voltage Circuit Electric coolant pump missing live signal
  • Diagnostic signal from output driver
 
  • 60 s
  • 2 DCY
-- Check the Heater Support Pump -V488-. Refer to Heater Support Pump -V488-, CHECKING 
P3007 Camshaft sensor no signal Phase sensor for camshaft no signal
  • No camshaft edges > 2 crankshaft revolutions
  • T15 = ON
  • Engine condition = cranking / running
  • 2 crankshaft revolutions
  • 2 DCY
-- Check the Camshaft Position Sensor -G40-. Refer to Camshaft Position Sensor -G40-, CHECKING .
U0001 High Speed CAN Communication Bus High Speed CAN Communication Bus
  • CAN driver A status Bus Off.
  • Engine running
  • 200 ms
  • 2 DCY
-- Check the CAN Bus. Refer to appropriate Service Information.
U0002 High Speed CAN Communication Bus Performance High Speed CAN Communication Bus Performance
  • CAN driver A status no communication
  • Engine running
  • 400 ms
  • 2 DCY
-- Check the CAN Bus. Refer to appropriate Service Information.
U0028 Vehicle Communication Bus A High Speed CAN Communication Bus Performance
  • CAN driver sub bus B status = bus off
  • Engine running
  • 200 ms
  • 2 DCY
-- Check the CAN Bus. Refer to appropriate Service Information.
U029D monitoring communication with NOx sensor monitoring communication with NOx sensor
  • TO fault message NOx sensor = true
 
  • 440 ms
  • 2 DCY
-- Check the CAN Bus. Refer to appropriate Service Information.
U05A3 Invalid Data Received From Reductant Quality Module Urea quality sensor communication temperature signal/communication quality signal
  • Raw temperature value > 251
  • Raw concentration value > 241
  • Time since key on > 15 s
  • 10 s
  • 2 DCY
-- Check the CAN Bus. Refer to appropriate Service Information.
U059E monitoring communication with NOx sensor monitoring communication with NOx sensor
  • DLC-fault Nox-sensor message = true
 
  • 440 ms
  • 2 DCY
-- Check the CAN Bus. Refer to appropriate Service Information.
U0101 Lost Communication with TCM Lost Communication with TCM
  • Fault message from automatic transmission / = true
  • Time out message counter
 
  • 440 - 800 ms
  • 2 DCY
-- Check TCM communication with a scan tool. If no TCM communication with scan tool and all other modules communicate, check TCM power and grounds. If OK, replace TCM Module.
U0121 "Lost Communication With Anti-Lock Brake System (ABS) Control Module" Lost Communication With Anti-Lock Brake System (ABS) Control Module
  • Message from ABS module = missing
 
  • 440 - 640 ms
  • 2 DCY
-- Check ABS communication with a scan tool. If no ABS communication with scan tool and all other modules communicate, check ABS power and grounds. If OK, replace ABS Module.
U0140 Lost Communication With Body Control Module message from climate sensor 02
  • TO fault message climate sensor = true
 
  • 2, 000 ms
  • 2 DCY
-- Check the CAN Bus. Refer to appropriate Service Information.
U0146 Lost Communication With Gateway "A" Lost Communication With Gateway "A"
  • Fault message from gateway module = true
---
  • 400 - 3, 000 ms
  • 2 DCY
-- Check Gateway communication with a scan tool. If no Gateway communication with scan tool and all other modules communicate, check Gateway power and grounds. If OK, replace Gateway Module.
U0155 "Lost Communication With Instrument Panel Cluster (IPC) Control Module" Lost Communication With Instrument Panel Cluster (IPC) Control Module
  • Fault messages received from Instrument cluster
 
  • 900 - 3, 500 ms
  • Including delay time 500 ms
  • 2 DCY
-- Check IPC communication with a scan tool. If no IPC communication with scan tool and all other modules communicate, check IPC power and grounds. If OK, replace IPC Module.
U02A2 Lost Communication with Reductant Quality Module Urea quality sensor communication to sensor
  • SENT driver error
  • Time since key on > 15 s
  • 50 s
  • continuous
  • 2 DCY
-- Check the Reductant quality, refer to appropriate Service Information.
U0302 Software Incompatibility with Transmission Control Module Software Incompatibility with Transmission Control Module
  • Fault transmission coding = true
 
  • 440 - 800 ms
  • 2 DCY
-- Check for correct software in ECM and TCM. If software is incorrect, reflash module with correct software.
U0323 Software Incompatibility With Instrument Panel Control Module check if sensor is mounted
  • Error message sent from instrument cluster
  • Communication time after T15 on > 1 s
  • 2.0 s
  • 2 DCY
-- Refer to appropriate Service Information for Instrument Cluster diagnosis.
U0402 Invalid Data Received From Transmission Control Module Invalid Data Received From Transmission Control Module
  • Fault message from automatic transmission / = true
  • Time out message counter
 
  • 440 - 800 ms
  • 2 DCY
-- May have VIN error. Check VIN in each module for correct data
U0415 "Invalid Data Received From Anti-Lock Brake System Control Module" Invalid Data Received From Anti-Lock Brake System Control Module monitoring of communication with brake control module (message 07 / message 21)
  • Fault message from Brake Control Module (message counter, check sum) = true
  • Disable conditions: MIL not illuminated for DTCs: U0415
  • 100 - 640 ms
  • 2 DCY
-- May have vehicle speed error. Using a scan tool, check for correct vehicle speed reading from wheel sensors in ABS module. If an ABS fault (DTC) exists, refer to the ABS Diagnosis in the Service Information.
Vehicle speed signal max. velocity exceeded
  • Vehicle speed > 320 km/h
  • 2.0 s
Vehicle speed signal no signal
  • Value (bits) from brake control unit = error state
Vehicle speed signal out of range
  • Value (bits) from brake control unit = error state
U0422 Invalid Data Received From Body Control Module monitoring of communication with instrument panel (only Golf)
  • Error message sent from instrument cluster = invalid data.
  • Battery voltage > 9V
  • 440 ms
  • 2 DCY
-- Refer to the Service Information for Instrument Cluster diagnosis.
U0423 "Invalid Data Received From Instrument Panel Cluster Control Module" Invalid Data Received From Instrument Panel Cluster Control Module
  • Invalid data.
 
  • 400 - 3, 000 ms
  • 2 DCY
-- May have VIN error. Check VIN in each module for correct data
U0447 Invalid Data Received From Gateway "A" Lost Communication With Gateway "A"
  • Fault message from gateway module = true
---
  • 800 ms
  • 2 DCY
-- Check Gateway communication with a scan tool. If no Gateway communication with scan tool and all other modules communicate, check Gateway power and grounds. If OK, replace Gateway Module.
U05A3 Invalid Data Received From Reductant Quality Module Urea quality sensor communication temperature signal
  • Raw temperature value > 251
  • OR
  • Life counter not incremented or not reset
  • OR
  • Temperature release bit not active
  • Time since key on > 15 s
  • 10s
  • continuous
  • 2 DCY
-- Check the reductant quality. Refer to appropriate Service Information.
Urea quality sensor communication quality signal
  • Raw concentration value > 241
  • OR
  • Life counter not incremented or not reset
U1103 Production Mode active ECM in production mode
  • Transport production mode = active
  • Production mode via tester = ON
  • AND
  • Vehicle speed < 5 km/h
  • Engine speed = 0 RPM
  • Max driving distance since initial vehicle start-up < 100 km
  • Fault is stored in fault memory during ECU shut down
  • 1 DCY
-- Mode can be deactivated with a factory scan tool or will automatically turn off after vehicle accumulates the first 100 miles of driving.