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Home >> Volkswagen >> 2013 >> Passat S, 2.5L Eng VIN H, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> 2.5L - Generic Scan Tool - Engine Code(S): CBTA & CBUA >> St Generic Scan Tool >> Diagnosis And Testing >> Engine DTC Tables >> Engine Control Module --
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Engine Control Module --

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P000A Intake Camshaft Position Slow Response Bank 1 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to Camshaft Adjustment Valve 1 -N205-, CHECKING 
  • Difference between target and actual > 8° CRK for > 1.8 to 2.5 Sec.
  • Adjustment angle < 3° CRK rotation
  • Engine speed, 600 - 6000 RPM
  • Engine oil temp -48 to 143 °C
  • Time after engine start > 1.5 to 10 Sec.
  • Number of checks 4
 12 Sec.
  • 2 DCY
P0010 Intake Camshaft Position Actuator Circuit Open Bank 1 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to Camshaft Adjustment Valve 1 -N205-, CHECKING  Signal voltage > 4.70 - 5.40 V
  • Cam position actuator commanded off
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P0011 Intake Camshaft Position Timing - Over-Advanced Bank 1 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to Camshaft Adjustment Valve 1 -N205-, CHECKING 
  • Difference between target and actual > 8° CRK rotation
  • Adjustment angle < 3° CRK rotation
  • Engine speed, 600 - 6000 RPM
  • Engine oil temp -48 to 143 °C
  • Time after engine start > 1.5 to 10 Sec.
  • Number of checks 4
 12 Sec.
  • 2 DCY
P0016 Camshaft Position Sensor Angular Offset Check -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING  Permissible deviation < -13.49 or >13.49 CRK deg. --- 10 Sec.
  • 2 DCY
P0030 HO2S Heater Control Circuit Bank 1 Sensor 1 -- Check the Oxygen Sensor (O2S) Heater -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING HEATER .
  • Heater voltage 4.70 to 5.40 V
  • Mass air flow 22 to 120 kg/h
  • Modeled exhaust gas temp > 300 °C
  • O2S rear readiness > 10 Sec.
  • 2nd lambda control - closed loop
OR
  • Time after engine start > 5 Sec.
  • Heater commanded off
 95 OR 0.5 Sec.
  • 2 DCY
P0031 HO2S Heater Control Circuit Low Bank 1 Sensor 1 -- Check the Oxygen Sensor (O2S) Heater -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING HEATER .
  • Heater voltage 0 to 3.26 V
  • Mass air flow 22 to 120 kg/h
  • Modeled exhaust gas temp > 300 °C
  • O2S rear readiness > 10 Sec.
  • 2nd lambda control - closed loop
OR
  • Time after engine start > 5 Sec.
  • Heater commanded off
 95 OR 0.5 Sec.
  • 2 DCY
P0032 HO2S Heater Control Circuit High Bank 1 Sensor 1 -- Check the Oxygen Sensor (O2S) Heater -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING HEATER . Heater current > 5.50 A
  • Heater, commanded ON.
  • Engine run time > 5 Sec.
 0.5 Sec.
  • 2 DCY
P0036 HO2S Heater Control Circuit Bank 1 Sensor 2 For CBTA (Fed) ONLY: -- Check the Oxygen Sensor (O2S) Heater -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING HEATER . For CBUA (Cali) ONLY: -- Check the Oxygen Sensor (O2S) Heater -G465-. Refer to OXYGEN SENSOR HEATER IN CENTER CATALYTIC CONVERTER, CHECKING . Heater voltage 2.34 to 3.59 V
  • Heater, commanded OFF.
  • Time after engine start > 5 Sec.
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P0037 HO2S Heater Control Circuit Low (Bank 1, Sensor 2) For CBTA (Fed) ONLY: -- Check the Oxygen Sensor (O2S) Heater -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING HEATER . For CBUA (Cali) ONLY: -- Check the Oxygen Sensor (O2S) Heater -G465-. Refer to OXYGEN SENSOR HEATER IN CENTER CATALYTIC CONVERTER, CHECKING . Heater voltage < 2.34 V
  • Heater, Commanded OFF
  • Time after engine start > 5 Sec.
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P0038 HO2S Heater Control Circuit High (Bank 1, Sensor 2) For CBTA (Fed) ONLY: -- Check the Oxygen Sensor (O2S) Heater -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING HEATER . For CBUA (Cali) ONLY: -- Check the Oxygen Sensor (O2S) Heater -G465-. Refer to OXYGEN SENSOR HEATER IN CENTER CATALYTIC CONVERTER, CHECKING . Heater voltage > 3.59 A
  • Heater, Commanded ON
  • Time after engine start > 5 Sec.
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P0042 O2 Sensor Heater Control Circuit Bank 1 Sensor 3 (CBUA ONLY) -- Check the Oxygen Sensor (O2S) Heater -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING HEATER . Heater voltage 2.34 to 3.59 V
  • Heater, commanded OFF.
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P0043 O2 Sensor Heater Control Circuit Bank 1 Sensor 3 Low (CBUA ONLY) -- Check the Oxygen Sensor (O2S) Heater -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING HEATER . Heater voltage < 2.34 V
  • Heater, Commanded OFF
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P0044 O2 Sensor Heater Control Circuit Bank 1 Sensor 3 High (CBUA ONLY) -- Check the Oxygen Sensor (O2S) Heater -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING HEATER . Heater voltage > 3.59 V
  • Heater, Commanded ON
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P0070 Ambient Air Temperature -- Check the Ambient Air Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR, CHECKING .
  • Ambient air temp < -50 °C
  • CAN active
 6 Sec. continuous
  • 2 DCY
P0071 Ambient Air Temperature Sensor Range/Performance -- Check the Ambient Air Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR, CHECKING .
  • Difference of ECT vs. IAT or IAT vs. AAT at start > 25 K (kelvin) or AAT vs. ECT at start < 25 K (kelvin)
  • Engine off time > 6 h
  • ECT at start < 2 K for > 180 Sec.
  • AAT at start <= 2 K for > 5 Sec.
  • IAT at start <= 2 K for > 5 Sec.
 0 Sec./Once
  • 2 DCY
P0072 Ambient Air Temperature Sensor Circuit Low -- Check the Ambient Air Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR, CHECKING .
  • Ambient air temp > 87 °C
  • CAN active
 6 Sec. continuous
  • 2 DCY
P0106 Manifold Absolute Pressure to Barometric Pressure Circuit Range/Performance NOTE: The BARO sensor is an internal part of the ECM and is not repairable. If the BARO reading is off by more than 10%, replace the ECM. Refer to the Repair Information.-- Check the Manifold Absolute Pressure (MAP) Sensor -G71-. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING .
  • Difference manifold pressure - lower threshold model < 0. Model range 45 to 845 hPa
  • Difference manifold pressure - upper threshold model > 0. Model range 640 - 1055
  • Difference. altitude sensor signal vs. manifold pressure signal at engine start > 60 hPa
  • No BARO, CMP, Throttle, EVAP, or IAT codes set
  • Time after engine start < 25 Sec.
  • Engine speed < 330 RPM
 2.5 Sec.
  • 2 DCY
P0107 Manifold Absolute Pressure Circuit Low Input -- Check the Manifold Absolute Pressure (MAP) Sensor -G71-. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING .
  • Signal voltage < 0.20 V
 --- 0.5 Sec. continuous
  • 2 DCY
P0108 Manifold Absolute Pressure Circuit High Input -- Check the Manifold Absolute Pressure (MAP) Sensor -G71-. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING .
  • Signal voltage > 4.86 V
 --- 0.5 Sec. continuous
  • 2 DCY
P0111 Intake Air Temperature Circuit Range/Performance -- Check the Intake Air Temperature (IAT) Sensor -G42-. Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING .
  • Difference of ECT vs. IAT or IAT vs. AAT at start > 25 K (kelvin) or AAT vs. ECT at start < 25 K (kelvin)
  • Engine off time > 6 h
  • ECT at start < 2 K for > 180 Sec.
  • AAT at start <= 2 K for > 5 Sec.
  • IAT at start <= 2 K for > 5 Sec.
 0 Sec./Once
  • 2 DCY
P0112 Intake Air Temperature Sensor 1 Circuit Low Input -- Check the Intake Air Temperature (IAT) Sensor -G42-. Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING .
  • IAT > 130.0 °C
 --- 5 Sec.
  • 2 DCY
P0113 Intake Air Temperature Sensor 1 Circuit High Input -- Check the Intake Air Temperature (IAT) Sensor -G42-. Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING 
  • IAT < -46 °C
 --- 5 Sec.
  • 2 DCY
P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance -- Check the Engine Coolant Temperature (ECT) Sensor -G62 -. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2, CHECKING .-- Check the coolant thermostat stuck open or closed. Refer to the Repair Information.
  • No change on signal 2°K
  • ECT signal stuck in range 75 - 105°C and no change in signal 2°K
 Driving condition 1
  • ECT at start 50 to 141°C
  • ECT 105 to 140 °C
  • Cold start detected
  • Substitute ECT > -45 °C
  • Vehicle speed, 0 - 20 km/h
  • Mass air flow, > 4 - 40 kg/h
and Driving condition 2
  • > 32 - 52 sec.
  • Vehicle speed, 50 - 150 km/h
  • Mass air flow, 32 to 352 kg/h
 2 to 70 Sec.
  • Once/DCY
  • 2 DCY
P0117 Engine Coolant Temperature Sensor 1 Circuit Low Input -- Check the Engine Coolant Temperature (ECT) Sensor -G62 -. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2, CHECKING .
  • ECT >140 °C
 --- 2 Sec.
  • 2 DCY
P0118 Engine Coolant Temperature Sensor 1 Circuit High Input -- Check the Engine Coolant Temperature (ECT) Sensor -G62 -. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2, CHECKING . ECT < -40 °C --- 2 Sec.
  • 2 DCY
P0121 Accelerator Pedal Position Sensor A Circuit Range/Performance -- Check the Throttle Valve Control Module -J338- /. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • TPS 1 - TPS 2 > 5.10 to 6.30%
  • TPS 1 calc. value > 9.00%
  • Engine speed > 480 RPM
 0.3 Sec.
  • 2 DCY
P0122 Accelerator Pedal Position Sensor A Circuit Low Input -- Check the Throttle Valve Control Module -J338- /. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . Signal voltage < 0.20 V --- 0.1 Sec.
  • 2 DCY
P0123 Accelerator Pedal Position Sensor A Circuit High Input -- Check the Throttle Valve Control Module -J338- /. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . Signal voltage > 4.81 V --- 0.1 Sec.
  • 2 DCY
P013A O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 For CBTA (Fed) ONLY: -- Check the Oxygen Sensor (O2S) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING . For CBUA (Cali) ONLY: -- Check the Oxygen Sensor (O2S) -G465-. Refer to OXYGEN SENSOR IN CENTER CATALYTIC CONVERTER, CHECKING (CBUA ONLY) . EWMA filtered max differential transient time at fuel cutoff >= 0.8 Sec. and number of checks >= 1
  • Time of fuel cutoff <= 90 Sec.
  • Time after last fuel cutoff >= 5 Sec.
  • Rear O2S ready
  • Exhaust temp at sensor deviation between actual and expected lambda signal < 8 after time since fuel cutoff at first cylinder >= 2 Sec.
  • Exhaust mass flow >= 12 kg/h
  • Exhaust mass flow dynamic within range -500 to 500 kg/h
  • Sensor voltage at start of measurement > 0.45 V
  • Target voltage end of measurement <= 0.15 V
 10 Sec.
  • 1 DCY
P0130 O2 Sensor Circuit Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING 
  • O2S ceramic temp. < 640°C
  • Modeled exhaust temp > 300°C
  • Fuel cut off not active
 15 Sec.
  • 2 DCY
P0131 O2 Sensor Circuit, Bank 1 Sensor 1 Low Voltage -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING 
  • Virtual mass < 1.75 V
  • UN, < 1.50 V
  • IA, 0.3 V
 --- 5 Sec.
  • 2 DCY
P0132 O2 Sensor Circuit, Bank 1 Sensor 1 High Voltage -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING 
  • Virtual mass, > 3.25 V
  • UN, > 4.40 V
  • IA, > 7.0 V
 --- 5 Sec.
  • 2 DCY
P0133 O2 Circuit Slow Response Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING 
  • Difference between R2L and L2R area ratio -0.40 to 0.40
  • Counter cycles completed >/= 4 times
  • Gradient ratio >= 0.25 or <= 0.40 and lower value of both ratios < 0.25
  • O2S ceramic temp. front > 720 °C and > 40 Sec. since operation readiness
  • Lambda control, Closed loop
  • Engine load, 13.99 - 45%
  • Engine speed, 1160 - 2720 RPM
  • Delta engine load, <= 7.99%
  • ECT >= 10 °C
  • Catalyst temp >= 450 °C
  • Canister load < 15
  • Actual lambda, 0.85-1.15-
  • No O2S or EVAP codes set
 85 Sec.
  • 2 DCY
P0135 O2 Heater Circuit Bank 1, Sensor 1 -- Check the Oxygen Sensor (O2S) Heater -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING HEATER .
  • Heater duty cycle > 90%
  • O2S ceramic temperature, < 720 °C
OR
  • O2S ceramic temp < 715 °C
  • Time after O2 heater on, 35 Sec.
  • Heater control, Active
  • Modeled exhaust gas temp, > 550 °C
OR
  • ECT at start > -10 °C
  • Engine shutoff time > 120 Sec.
  • During ECM keep alive time (key off) < 500 Sec.
  • 35 to 70 Sec.
  • 2 DCY
P0136 O2 Circuit Bank 1, Sensor 2 For CBTA (Fed) ONLY: -- Check the Oxygen Sensor (O2S) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING . For CBUA (Cali) ONLY: -- Check the Oxygen Sensor (O2S) -G465-. Refer to OXYGEN SENSOR IN CENTER CATALYTIC CONVERTER, CHECKING (CBUA ONLY) .
  • Delta O2S rear signal > 2.00 V
  • Number of checks = 6
  • Sensor voltage <= 0.40 V or 0.50 to 1.08 V
  • Lambda control, Not at max
  • Exhaust temp >= 1263 °C for > 8.8 Sec.
  • Heater power >= 24% for > 18 Sec.
 60 Sec.
  • 2 DCY
P0137 O2 Circuit Low Voltage Bank 1, Sensor 2 For CBTA (Fed) ONLY: -- Check the Oxygen Sensor (O2S) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING . For CBUA (Cali) ONLY: -- Check the Oxygen Sensor (O2S) -G465-. Refer to OXYGEN SENSOR IN CENTER CATALYTIC CONVERTER, CHECKING (CBUA ONLY) .
  • Cold condition: Signal voltage < 0.06 V for > 3 Sec.
  • Difference of sensor voltage with and without load pulse < 0.01 V
  • Sensor voltage <= 0.40 V or 0.50 to 1.08 V
  • Lambda control, Not at max
  • Exhaust temp >= 1263 °C for > 8.8 Sec.
  • Heater power >= 24% for > 8.8 Sec.
 3 Sec.
  • 2 DCY
P0138 O2 Circuit High Voltage Bank 1, Sensor 2 For CBTA (Fed) ONLY: -- Check the Oxygen Sensor (O2S) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING . For CBUA (Cali) ONLY: -- Check the Oxygen Sensor (O2S) -G465-. Refer to OXYGEN SENSOR IN CENTER CATALYTIC CONVERTER, CHECKING (CBUA ONLY) . Signal voltage > 1.08 V for > 5 Sec.
  • Sensor voltage <= 0.40 V or 0.50 to 1.08 V
  • Lambda control, Not at max
  • Exhaust temp >= 1263 °C for > 8.8 Sec.
  • Heater power >= 24% for > 8.8 Sec.
 5 Sec.
  • 2 DCY
P0139 O2 Circuit Slow Response Bank 1, Sensor 2 For CBTA (Fed) ONLY: -- Check the Oxygen Sensor (O2S) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING . For CBUA (Cali) ONLY: -- Check the Oxygen Sensor (O2S) -G465-. Refer to OXYGEN SENSOR IN CENTER CATALYTIC CONVERTER, CHECKING (CBUA ONLY) .
  • EWMA filtered transient time at fuel cut off > 0.6 Sec.
  • O2 voltage between 201 - 401 mV
  • O2S rear signal > 0.16 V during fuel cut off active
  • Sensor voltage <= 0.40 V or 0.50 to 1.08 V
  • Lambda control, Not at max
  • Exhaust temp >= 1263 °C for > 8.8 Sec.
  • Heater power >= 24% for > 18 Sec.
  • Rich voltage enable >= 548 mV
  • O2 front/rear and EVAP ready
  • 4.5 Sec.
  • 2 DCY
P0140 O2 Circuit No Activity Detected Bank 1, Sensor 2 For CBTA (Fed) ONLY: -- Check the Oxygen Sensor (O2S) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING . For CBUA (Cali) ONLY: -- Check the Oxygen Sensor (O2S) -G465-. Refer to OXYGEN SENSOR IN CENTER CATALYTIC CONVERTER, CHECKING (CBUA ONLY) .
  • Signal voltage 0.40 to 0.60 V for > 3 Sec.
  • Voltage difference between load pulse and no load pulse >= 2.80 V
  • Internal resistance > 40 kΩ and exhaust temp > 670 °C
  • Sensor voltage <= 0.40 V or 0.50 to 1.08 V
  • Lambda control, Not at max
  • Exhaust temp >= 1263 °C for > 8.8 Sec.
  • Heater power >= 24% for > 8.8 Sec.
 30 Sec.
  • 2 DCY
P0141 O2 Heater Circuit Bank 1, Sensor 2 For CBTA (Fed) ONLY: -- Check the Oxygen Sensor (O2S) Heater -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING HEATER . For CBUA (Cali) ONLY: -- Check the Oxygen Sensor (O2S) Heater -G465-. Refer to OXYGEN SENSOR HEATER IN CENTER CATALYTIC CONVERTER, CHECKING .
  • Difference of sensor voltage with and without load pulse < 0.01 V
  • Internal heater resistance 1200 - 20400 Ω
  • Heater commanded ON
  • Modeled exhaust gas temp, 300 - 680 °C
  • Engine shutoff time > 120 Sec. (during ECM keep alive time after shutoff < 500 Sec.)
  • Fuel cutoff not active
  • Number of checks = 10
 6 Sec.
  • 2 DCY
P0142 O2 Sensor Circuit Bank 1 Sensor 3 -- Check the Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING .
  • Delta voltage 1 step at heater switching > 2.00 V
  • Heater coupling >= 6 times
  • Sensor voltage <= 0.40 V or 0.50 to 1.08 V
  • Lambda control, Not at max
  • Exhaust temp >= 1263 °C for > 8.8 Sec.
  • Heater power >= 24% for > 18 Sec.
 60 Sec.
  • 2 DCY
P0143 O2 Sensor Circuit Low Voltage Bank 1 Sensor 3 -- Check the Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING .
  • Signal voltage 0.40 to 0.60 V for > 3 Sec.
  • Voltage difference between load pulse and no load pulse >= 2.80 V
  • Internal resistance > 40 kΩ and exhaust temp > 670 °C
  • Sensor voltage <= 0.40 V or 0.50 to 1.08 V
  • Lambda control, Not at max
  • Exhaust temp >= 1263 °C for > 18 Sec.
  • Heater power >= 24% for > 18 Sec.
 3 Sec.
  • 2 DCY
P0144 O2 Sensor Circuit High Voltage Bank 1 Sensor 3 -- Check the Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING .
  • Signal voltage > 1.08 V for > 5 Sec.
  • Sensor voltage <= 0.40 V or 0.50 to 1.08 V
  • Lambda control, Not at max
  • Exhaust temp >= 1263 °C for > 18 Sec.
  • Heater power >= 24% for > 18 Sec.
 5 Sec.
  • 2 DCY
P0145 O2 Sensor Circuit Slow Response Bank 1 Sensor 3 -- Check the Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING .
  • EWMA filtered transient time at fuel cut off > 1.5 Sec.
  • O2 voltage between 201 - 401 mV
  • O2S rear, Fully heated up
  • Rich voltage enable > = 548 mV
  • Modeled exhaust temp. > 480 °C
  • No other O2 sensor faults set.
 4.5 Sec.
  • 2 DCY
P0146 O2 Sensor Circuit No Activity Detected Bank 1 Sensor 3 -- Check the Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING .
  • Signal voltage 0.40 to 0.60 V for > 3 Sec.
  • Voltage difference between load pulse and no load pulse >= 2.80 V
  • Internal resistance > 40 kΩ and exhaust temp > 670 °C
  • Sensor voltage <= 0.40 V or 0.50 to 1.08 V
  • Lambda control, Not at max
  • Exhaust temp >= 1263 °C for > 18 Sec.
  • Heater power >= 24% for > 18 Sec.
 30 Sec.
  • 2 DCY
P0147 O2 Sensor Heater Circuit Bank 1 Sensor 3 -- Check the Oxygen Sensor (O2S) Heater -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING HEATER .
  • Internal heater resistance 1200 - 32400 Ω
  • Heater commanded ON
  • Modeled exhaust gas temp, 300 - 680 °C
  • Engine shutoff time > 120 Sec. (during ECM keep alive time after shutoff < 500 Sec.)
  • Fuel cutoff not active
  • Number of checks = 10
 6 Sec.
  • 2 DCY
P0169 Incorrect Fuel Composition Fuel may be contaminated or contain alcohol above 15% (on non E 85 compliant vehicles) If no other codes are set, take a fuel sample and have it analyzed.
  • Fuel quantity out of limit or incorrect
  • Engine speed > 1200 RPM
 0.5 Sec.
  • 2 DCY
P0201 Injector Circuit Open Cylinder 1 -- Check the Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .
  • Low side signal voltage 4.50 - 5.50 V
  • Injection valve, commanded OFF
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0202 Injector Circuit Open Cylinder 2 -- Check the Fuel Injector -N31-. Refer to FUEL INJECTORS, CHECKING .
  • Low side signal voltage 4.50 - 5.50 V
  • Injection valve, commanded OFF
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0203 Injector Circuit Open Cylinder 3 -- Check the Fuel Injector -N32-. Refer to FUEL INJECTORS, CHECKING .
  • Low side signal voltage 4.50 - 5.50 V
  • Injection valve, commanded OFF
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0204 Injector Circuit Open Cylinder 4 -- Check the Fuel Injector -N33-. Refer to FUEL INJECTORS, CHECKING .
  • Low side signal voltage 4.50 - 5.50 V
  • Injection valve, commanded OFF
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0205 Injector Circuit Open Cylinder 5 -- Check the Fuel Injector -N83-. Refer to FUEL INJECTORS, CHECKING .
  • Low side signal voltage 4.50 - 5.50 V
  • Injection valve, commanded OFF
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0221 Accelerator Pedal Position Sensor B Circuit Range/Performance -- Check the Throttle Valve Control Module -J338- /. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • TPS 1 to TPS 2, > 5.10 to 6.3%
  • TPS 2 - calc position > 9%
  • Engine speed >480 RPM
 0.3 Sec.
  • 2 DCY
P0222 Accelerator Pedal Position Sensor B Circuit Low Input -- Check the Throttle Valve Control Module -J338- /. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • Signal voltage < 0.20 V
 --- 0.1 Sec.
  • 2 DCY
P0223 Accelerator Pedal Position Sensor B Circuit High Input -- Check the Throttle Valve Control Module -J338- /. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • Signal voltage, > 4.81 V
 --- 0.1 Sec.
  • 2 DCY
P0261 Cylinder 1 Injector Circuit Low -- Check the Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .
  • Signal voltage < 3.00 V
  • Injection valve, commanded OFF
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0262 Cylinder 1 Injector Circuit High -- Check the Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .
  • Signal current < 2.20 - 4.00 A
  • Injection valve, commanded ON
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0264 Cylinder 2 Injector Circuit Low -- Check the Fuel Injector -N31-. Refer to FUEL INJECTORS, CHECKING .
  • Signal voltage < 3.00 V
  • Injection valve, commanded OFF
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0265 Cylinder 2 Injector Circuit High -- Check the Fuel Injector -N31-. Refer to FUEL INJECTORS, CHECKING .
  • Signal current < 2.20 - 4.00 A
  • Injection valve, commanded ON
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0267 Cylinder 3 Injector Circuit Low -- Check the Fuel Injector -N32-. Refer to FUEL INJECTORS, CHECKING .
  • Signal voltage < 3.00 V
  • Injection valve, commanded OFF
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0268 Cylinder 3 Injector Circuit High -- Check the Fuel Injector -N32-. Refer to FUEL INJECTORS, CHECKING .
  • Signal current < 2.20 - 4.00 A
  • Injection valve, commanded ON
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0270 Cylinder 4 Injector Circuit Low -- Check the Fuel Injector -N33-. Refer to FUEL INJECTORS, CHECKING .
  • Signal voltage < 3.00 V
  • Injection valve, commanded OFF
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0271 Cylinder 4 Injector Circuit High -- Check the Fuel Injector -N33-. Refer to FUEL INJECTORS, CHECKING .
  • Signal current < 2.20 - 4.00 A
  • Injection valve, commanded ON
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0273 Cylinder 5 Injector Circuit Low -- Check the Fuel Injector -N83-. Refer to FUEL INJECTORS, CHECKING .
  • Signal voltage < 3.00 V
  • Injection valve, commanded OFF
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0274 Cylinder 5 Injector Circuit High -- Check the Fuel Injector -N83-. Refer to FUEL INJECTORS, CHECKING .
  • Signal current < 2.20 - 4.00 A
  • Injection valve, commanded ON
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0300 Random Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PUMP PRESSURE, CHECKING -- Check Fuel Injectors -N30, N31, N32, N33, N83-. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Emission threshold 1st interval misfire rate (200 rev Misfire Rate) > 2.0%
  • Emission threshold misfire rate (1000 rev Misfire Rate), > 2.0 to 19%
  • Active after engine start, > 150 RPM and 1 cam revolution
  • Engine torque, > = 0 Nm
  • Engine speed range, 500 - 6400 RPM
  • Fuel cutoff, Not active
  • ECT at start > - 48 °C
  • IAT > - 48 °C
  • Rough road not detected.
  • 1000 Rev. >(2.0% Misfire Rate)
  • 200 Rev. (2.0 to 19% Misfire Rate)
  • (200 rev Misfire Rate) Immediate.
  • (1000 rev Misfire Rate) 2 DCY
P0301 Cylinder 1 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PUMP PRESSURE, CHECKING -- Check Fuel Injectors -N30, N31, N32, N33, N83-. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Emission threshold 1st interval misfire rate (200 rev Misfire Rate) > 2.0%
  • Emission threshold misfire rate (1000 rev Misfire Rate), > 2.0 to 19%
  • Active after engine start, > 150 RPM and 1 cam revolution
  • Engine torque, > = 0 Nm
  • Engine speed range, 500 - 6400 RPM
  • Fuel cutoff, Not active
  • ECT at start > - 48 °C
  • IAT > - 48 °C
  • Rough road not detected.
  • 1000 Rev. >(2.0% Misfire Rate)
  • 200 Rev. (2.0 to 19% Misfire Rate)
  • (200 rev Misfire Rate) Immediate.
  • (1000 rev Misfire Rate) 2 DCY
P0302 Cylinder 2 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PUMP PRESSURE, CHECKING -- Check Fuel Injectors -N30, N31, N32, N33, N83-. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Emission threshold 1st interval misfire rate (200 rev Misfire Rate) > 2.0%
  • Emission threshold misfire rate (1000 rev Misfire Rate), > 2.0 to 19%
  • Active after engine start, > 150 RPM and 1 cam revolution
  • Engine torque, > = 0 Nm
  • Engine speed range, 500 - 6400 RPM
  • Fuel cutoff, Not active
  • ECT at start > - 48 °C
  • IAT > - 48 °C
  • Rough road not detected.
  • 1000 Rev. >(2.0% Misfire Rate)
  • 200 Rev. (2.0 to 19% Misfire Rate)
  • (200 rev Misfire Rate) Immediate.
  • (1000 rev Misfire Rate) 2 DCY
P0303 Cylinder 3 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PUMP PRESSURE, CHECKING -- Check Fuel Injectors -N30, N31, N32, N33, N83-. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Emission threshold 1st interval misfire rate (200 rev Misfire Rate) > 2.0%
  • Emission threshold misfire rate (1000 rev Misfire Rate), > 2.0 to 19%
  • Active after engine start, > 150 RPM and 1 cam revolution
  • Engine torque, > = 0 Nm
  • Engine speed range, 500 - 6400 RPM
  • Fuel cutoff, Not active
  • ECT at start > - 48 °C
  • IAT > - 48 °C
  • Rough road not detected.
  • 1000 Rev. >(2.0% Misfire Rate)
  • 200 Rev. (2.0 to 19% Misfire Rate)
  • (200 rev Misfire Rate) Immediate.
  • (1000 rev Misfire Rate) 2 DCY
P0304 Cylinder 4 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PUMP PRESSURE, CHECKING -- Check Fuel Injectors -N30, N31, N32, N33, N83-. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Emission threshold 1st interval misfire rate (200 rev Misfire Rate) > 2.0%
  • Emission threshold misfire rate (1000 rev Misfire Rate), > 2.0 to 19%
  • Active after engine start, > 150 RPM and 1 cam revolution
  • Engine torque, > = 0 Nm
  • Engine speed range, 500 - 6400 RPM
  • Fuel cutoff, Not active
  • ECT at start > - 48 °C
  • IAT > - 48 °C
  • Rough road not detected.
  • 1000 Rev. >(2.0% Misfire Rate)
  • 200 Rev. (2.0 to 19% Misfire Rate)
  • (200 rev Misfire Rate) Immediate.
  • (1000 rev Misfire Rate) 2 DCY
P0305 Cylinder 5 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PUMP PRESSURE, CHECKING -- Check Fuel Injectors -N30, N31, N32, N33, N83-. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Emission threshold 1st interval misfire rate (200 rev Misfire Rate) > 2.0%
  • Emission threshold misfire rate (1000 rev Misfire Rate), > 2.0 to 19%
  • Active after engine start, > 150 RPM and 1 cam revolution
  • Engine torque, > = 0 Nm
  • Engine speed range, 500 - 6400 RPM
  • Fuel cutoff, Not active
  • ECT at start > - 48 °C
  • IAT > - 48 °C
  • Rough road not detected.
  • 1000 Rev. >(2.0% Misfire Rate)
  • 200 Rev. (2.0 to 19% Misfire Rate)
  • (200 rev Misfire Rate) Immediate.
  • (1000 rev Misfire Rate) 2 DCY
P0321 Engine Speed Input Circuit Range/Performance -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Comparison of counted teeth and number of teeth +/- 1 tooth
  • Loss of reference gap during normal operation
  • No reference gap during engine start
 --- 1.5 Sec.
  • 2 DCY
P0322 Engine Speed Input Circuit No Signal -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • No engine speed signal but CMP signals > 5 cam shaft revs
  • Engine speed = no signal
 --- 2.5 Sec.
  • 2 DCY
P0324 Knock Control System Error -- Check the Knock Sensors -G61, G66-. Refer to KNOCK SENSOR, CHECKING .
  • Signal fault counter (combustion) > 30 OR Signal fault counter measuring window > 2
  • Engine speed > 2000 RPM
 0.5 Sec.
  • 2 DCY
P0327 Knock Sensor 1 Circuit Low Input -- Check the Knock Sensors -G61, G66-. Refer to KNOCK SENSOR, CHECKING .
  • Lower threshold < - 0.70 V
  • Signal range check < 0.55 to 5.60 V
  • Engine speed > 1000 RPM or > 2000 RPM for signal range check
 0.5 to 2 Sec.
  • 2 DCY
P0328 Knock Sensor 1 Circuit High Input -- Check the Knock Sensors -G61, G66-. Refer to KNOCK SENSOR, CHECKING .
  • Upper threshold > 1 V
  • Signal range check > 16.50 to 92 V
  • Signal circuit > 1000 RPM
  • Signal range check > 2000 RPM
  • ECT > 41 °C
  • Engine load 30 to 37.50%
 0.5 to 2 Sec.
  • 2 DCY
P0332 Knock Sensor 2 Circuit Low Input -- Check the Knock Sensors -G61, G66-. Refer to KNOCK SENSOR, CHECKING .
  • Lower threshold < - 0.70 V
  • Signal range check < 0.55 to 5.60 V
  • Engine speed > 1000 RPM or > 2000 RPM for signal range check
 0.5 to 2 Sec.
  • 2 DCY
P0333 Knock Sensor 2 Circuit High Input -- Check theKnock Sensors -G61, G66-. Refer to KNOCK SENSOR, CHECKING .
  • Upper threshold > 1 V
  • Signal range check > 16.50 to 92 V
  • Signal circuit > 1000 RPM
  • Signal range check > 2000 RPM
  • ECT > 41 °C
  • Engine load 30 to 37.50%
 0.5 to 2 Sec.
  • Multiple
  • 2 DCY
P0341 Camshaft Position Sensor A Circuit Range/Performance -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING 
  • Signal pattern incorrect
  • Defect counter = 8
 --- 0.5 Sec.
  • 2 DCY
P0342 Camshaft Position Sensor A Circuit Low Input -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING 
  • Signal voltage permanently low
  • Crankshaft signal = 8
 --- 0.5 Sec.
  • 2 DCY
P0343 Camshaft Position Sensor A Circuit High Input -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING 
  • Signal voltage permanently high
  • Crankshaft signal = 8
 --- 0.5 Sec.
  • 2 DCY
P0351 Ignition Coil A Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current 0.25 to -2.0 mA
  • Internal check failed
  • Engine speed > 680 RPM
 2 Sec.
  • 2 DCY
P0352 Ignition Coil B Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current 0.25 to -2.0 mA
  • Internal check failed
  • Engine speed > 680 RPM
 2 Sec.
  • 2 DCY
P0353 Ignition Coil C Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current 0.25 to -2.0 mA
  • Internal check failed
  • Engine speed > 680 RPM
 2 Sec.
  • 2 DCY
P0354 Ignition Coil D Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current 0.25 to -2.0 mA
  • Internal check failed
  • Engine speed > 680 RPM
 2 Sec.
  • 2 DCY
P0355 Ignition Coil E Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current 0.25 to -2.0 mA
  • Internal check failed
  • Engine speed > 680 RPM
 2 Sec.
  • 2 DCY
P0410 Secondary Air Injection System -- Check the Secondary Air Injection relay. Refer to SECONDARY AIR INJECTION PUMP RELAY, CHECKING . Check the Secondary Air Injection pump. Refer to SECONDARY AIR INJECTION PUMP MOTOR, CHECKING 
  • Deviation SAI pressure > 50 hPa
  • Mass airflow 7 to 120 kg/h
  • Delta engine load -10 to 10 %
  • Modeled catalyst temp < 700 °C
  • ECT 3 to 105 °C
  • Altitude < 2700 m
  • IAT 4.5 to 143.3 °C
  • SAI commanded off
 0.5 Sec.
  • 2 DCY
P0413 Secondary Air Injection System Switching Valve Circuit Open -- Check the Secondary Air Injection Solenoid Valve -N112-. Refer to SECONDARY AIR INJECTION SOLENOID VALVE, CHECKING .
  • Signal voltage 9.25 to 11.25 V
  • Air valve commanded OFF
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P0414 Secondary Air Injection System Switching Valve Circuit Shorted -- Check the Secondary Air Injection Solenoid Valve -N112-. Refer to SECONDARY AIR INJECTION SOLENOID VALVE, CHECKING .
  • Signal voltage > 6.0 V
OR
  • Signal current > 2.20 A
  • Air valve commanded OFF
  • Engine speed > 80 RPM
OR
  • Air valve commanded ON
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P0418 Secondary Air Injection System Control Circuit -- Check the Secondary Air Injection Solenoid Valve -N112-. Refer to SECONDARY AIR INJECTION SOLENOID VALVE, CHECKING .
  • Signal voltage 4.70 to 5.40 V
  • Pump relay commanded OFF
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P0420 Catalyst System Efficiency Below Threshold Check Long Term Fuel Trim for out of range condition. If LT Fuel Trim is out of range, correct the condition before replacing the catalytic converter.-- Check the Oxygen Sensor O2S 1 in center Three Way Catalytic Converter -G465-. Refer to OXYGEN SENSOR IN CENTER CATALYTIC CONVERTER, CHECKING (CBUA ONLY) -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING -- Check the Three Way Catalytic Converter (TWC). Refer to CATALYTIC CONVERTER, CHECKING .
  • Oxygen storage capacity (OSC) vs OSC value of borderline catalyst < 1.00
  • Modeled exhaust gas temp lower range 520 - 860 °C
  • Engine speed, 1200 - 3320 RPM
  • Time after dew point > 5 Sec.
  • No O2 or misfire codes set, O2 sensors ready and sec. air not active
  • Minimum modeled exhaust temp> 400 °C for > 120 Sec.
  • EVAP purge loading = not high
  • Engine load 14.30 to 65.30%
  • Lambda control not at min. or max. and in closed loop
  • Number of checks = 3
  • O2S front response monitoring current drive cycle = ready
 25 Sec.
  • Once/DCY
  • 2 DCY
P043E Evaporative Emission System Leak Detection Reference Orifice Low Flow For Model Year 2011 > -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • EVAP pump current during reference measurement > 40 mA
  • ECT > 60 °C
  • ECT at start < 60 °C
  • AAT > 4 and < 35 °C
  • Altitude <= 2700 m
  • Time since engine start >= 600 Sec.
  • Integrated EVAP purge flow since last purge stop > 2 g
  • Integrated EVAP purge flow since last monitoring run > 0 g
  • Intake manifold vacuum > 100 hPa
  • Vehicle speed < 120 km/h
  • Fuel volume flow <= 5 ml/s
  • Change in battery voltage during monitoring < 1.50 V
  • Engine speed not at idle and above 20 RPM
  • O2S front ready
 3 Sec.
  • 2 DCY
P043F Evaporative Emission System Leak Detection Reference Orifice High Flow For Model Year 2011 > -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • EVAP pump current during reference measurement < 15 mA
  • ECT > 60 °C
  • ECT at start < 60 °C
  • AAT > 4 and < 35 °C
  • Altitude <= 2700 m
  • Time since engine start >= 600 Sec.
  • Integrated EVAP purge flow since last purge stop > 2 g
  • Integrated EVAP purge flow since last monitoring run > 0 g
  • Intake manifold vacuum > 100 hPa
  • Vehicle speed < 120 km/h
  • Fuel volume flow <= 5 ml/s
  • Change in battery voltage during monitoring < 1.50 V
  • Engine speed not at idle and above 20 RPM
  • O2S front ready
 3 Sec.
  • 2 DCY
P0441 Evaporative Emission System Incorrect Purge Flow - Stuck closed Check the Purge Valve for restrictions and EVAP system for damaged hoses. If OK:-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP PURGE REGULATOR VALVE, CHECKING . For Model Year 2011 > -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • Drop of pump current > 1.0 mA
  • Minimum ignition angle efficiency, 20%
  • Engine speed > 20 RPM
  • Engine speed Deviation < 100 RPM
  • Time after engine start, > 600 sec.
  • ECT > 60 °C and ECT at start < 60 °C
  • AAT > 4 and < 35 °C
  • Altitude < 2700 m
  • O2S front ready
  • EVAP purge valve commanded off
 34 Sec.
  • 2 DCY
P0442 Evaporative Emission System Leak Detected (Small Leak) -- Check the EVAP System, for Leaks. Refer to EVAP SYSTEM, CHECKING FOR LEAKS .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP PURGE REGULATOR VALVE, CHECKING . For Model Years to 2010:-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2009 - 2010 ONLY)  For Model Year 2011 > -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • Time for pressure drop < 1.9 Sec
  • ECT at start >= 4 °C
  • LDP activated, Selected gear =any drive
  • Altitude, < 2700 m
  • EVAP purge closed and LDP active
  • Engine off time >= 5 Sec.
  • Restart temp difference between ECT and IAT <= 15 °K
  • IAT drop after engine start, < 5 °K
  • Time after engine start> 12 - 1200 Sec.
  • Change in battery voltage during monitoring < 1 V
  • Vehicle speed = 0 km/h
 400 Sec.
  • 2 DCY
P0444 Evaporative Emission System Purge Control Valve Circuit Open -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP PURGE REGULATOR VALVE, CHECKING .
  • Signal voltage 4.70 - 5.40 V
  • EVAP purge valve, commanded OFF
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0447 Evaporative Emission System Vent Control Circuit Open For Model Year 2011 > -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • Signal voltage > 4.70 - 5.40 V
  • EVAP pump solenoid valve commanded off
 0.5 Sec.
  • 2 DCY
P0448 Evaporative Emission System Vent Control Circuit Shorted For Model Year 2011 > -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • Signal current > 2.2 to 4 A
OR
  • Signal voltage < 2.74 to 3.26 V
  • EVAP pump solenoid valve commanded on
OR
  • EVAP pump solenoid valve commanded off
 0.5 Sec.
  • 2 DCY
P0455 Evaporative Emission System Leak Detected (gross leak) -- Check the EVAP System, for Leaks. Refer to EVAP SYSTEM, CHECKING FOR LEAKS .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP PURGE REGULATOR VALVE, CHECKING .-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2009 - 2010 ONLY) . For Model Year 2011 > -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • Time for pressure drop < 1 Sec.
.
  • Evap purge valve closed and LDP activated
  • Air temperature 5 - 95 °C
  • Altitude < 2700 m
  • Veh speed>= 0 km/h and ones > 30 km/h
  • Number of diagnostic attempts, < 5
  • Restart temp difference > 52 °K
  • IAT drop after engine start, < 3.75 °C
  • Time after engine start 12 - 1200 Sec. after > 21600 Sec. of engine shutoff
  • Intake manifold vacuum, > -2560 hPa
  • ECT 5 to 105 °C
  • Selected gear, Any drive
 180 Sec.
  • 2 DCY
P0456 Evaporative Emission System Leak Detected (very small leak) -- Check the EVAP System, for Leaks. Refer to EVAP SYSTEM, CHECKING FOR LEAKS .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP PURGE REGULATOR VALVE, CHECKING .-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2009 - 2010 ONLY) . For Model Year 2011 > -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • Time for pressure drop < 5.8 Sec
  • ECT at start >= 4 °C
  • LDP activated, Selected gear =any drive
  • Altitude, < 2700 m
  • EVAP purge closed and LDP active
  • Engine off time >= 5 Sec.
  • Restart temp difference between ECT and IAT <= 15 °K
  • IAT drop after engine start, < 5 °K
  • Time after engine start> 12 - 1200 Sec.
  • Change in battery voltage during monitoring < 1 V
  • Vehicle speed = 0 km/h
 800 Sec.
  • 2 DCY
P0458 Evaporative Emission System Purge Control Valve Circuit Low -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP PURGE REGULATOR VALVE, CHECKING .
  • Signal voltage 0 to 3.26 V
  • EVAP purge valve, commanded OFF
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0459 Evaporative Emission System Purge Control Valve Circuit High -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP PURGE REGULATOR VALVE, CHECKING .
  • Signal current, > 2.2 A
  • EVAP purge valve, commanded ON
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P0491 Secondary Air Injection System Insufficient Flow -- Check the Secondary Air Injection Combination Valve. Refer to SECONDARY AIR INJECTION COMBINATION VALVE, CHECKING .
  • SAI pressure vs. modeled SAI < 50 - 72%
OR
  • Absolute deviation of raw pressure signal from filtered signal mean value < 8.98 hPa
  • Mass air flow 7 to 120 kg/h
  • Delta engine load -10 to 10%
  • ECT 3 to 105 °C
  • IAT 4.5 to 143.3 °C
  • Altitude < 2700
  • SAI pressure sensor ready
 55 Sec.
  • 2 DCY
P0496 Evaporative Emission System Incorrect Purge Flow - Stuck open Check the Purge Valve for restrictions and EVAP system for damaged hoses. If OK:-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP PURGE REGULATOR VALVE, CHECKING . For Model Year 2011 > -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • Actual EVAP pump current vs. difference from last reading > 1.00
  • Minimum ignition angle efficiency, 20%
  • Engine speed > 20 RPM
  • Engine speed Deviation < 100 RPM
  • Time after engine start, > 600 sec.
  • ECT > 60 °C and ECT at start < 60 °C
  • AAT > 4 and < 35 °C
  • Altitude < 2700 m
  • O2S front ready
  • EVAP purge valve commanded off
 5 Sec.
  • 2 DCY
P0501 Vehicle Speed Sensor Range/Performance -- Check the Vehicle Speed sensor. Refer to SPEED SIGNAL, CHECKING .
  • Vehicle speed < 4 km/h
  • Fuel cutoff active
  • Engine speed 1520 to 4520 RPM
  • ECT > 40 °C
 1980 mSec.
  • 2 DCY
P0503 Vehicle Speed Sensor Intermittent/Erratic/High -- Check the Vehicle Speed sensor. Refer to SPEED SIGNAL, CHECKING .
  • Vehicle speed > 325 km/h
 --- .5 Sec.
  • 2 DCY
P0506 Idle Air Control System RPM Lower Than Expected -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • Engine speed deviation > 100 RPM
  • RPM controller torque value >= calculated max value.
  • Time after engine start > 0 Sec.
  • Engine speed at idle
  • Vehicle speed 0 MPH
  • Purge valve closed
  • Altitude < 2700 m
  • IAT > -48 °C
  • Engine load < 34.50%
 7 Sec.
  • 2 DCY
P0507 Idle Air Control System RPM Higher Than Expected -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • Engine speed deviation < -100 RPM
  • RPM controller torque value <= calculated min. value.
  • Time after engine start > 0 Sec.
  • Engine speed at idle
  • Time after engine start > 0 Sec.
  • Vehicle speed, 0 MPH
  • Purge valve closed
  • Altitude, < 2700 m
  • IAT > - 48 °C
  • ECT > -48 °C
  • External torque request not demanded
 7 Sec.
  • 2 DCY
P050A Idle Air Control System Out of Range -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • Engine speed deviation > 100 RPM
  • RPM controller torque value >= calculated max. value.
OR
  • Engine speed deviation < -100 RPM
  • RPM controller torque value <= calculated min. value.
  • Time after engine start > 0 Sec.
  • Engine speed idle
  • Vehicle speed 0 km/h
  • Altitude < 2700 m
  • ECT at start < 4 to 40 °C
  • IAT > -48 °C
  • EVAP purge closed
  • Catalyst heating active
 5 Sec.
  • 2 DCY
P050B Cold Start Ignition Timing Performance -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING . Difference between commanded spark timing vs. actual value > 20%
  • Time during catalyst heating > 10 Sec.
  • Commanded spark retard during catalyst heating < 80%
  • Engine at idle <= 750 RPM, vehicle speed 0 km/h
  • Engine load <= 100.01% and delta load < 3%
 8 Sec.
  • 2 DCY
P052A Cold Start Camshaft Position Timing Over-Advanced -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to Camshaft Adjustment Valve 1 -N205-, CHECKING  Difference between actual and target position > 10° CRK rev.
  • Time after engine start >= 10 Sec.
  • Engine speed >= 400 RPM
  • Modeled oil temp >= -48 °C
  • Commanded camshaft timing active
  • Catalyst heating active
 5 Sec.
  • 2 DCY
P0606 ECM/PCM Processor NOTE: The BARO sensor is an internal part of the ECM and is not repairable. If the BARO reading is off by 10% or more, replace the ECM.-- Replace the Motronic Engine Control Module (ECM) -J623-. Refer to the Repair Information.
  • Internal hardware/voltage check - failed
  • Communication CPU - Sensor IC - failed
  • EEPROM Check failed
  • Battery voltage, 10.7-16.1 V
  • Power up calibration executed
  • Initialization phase - activated
  • .5 Sec.
  • 2 DCY
  • Continuous
P0627 Fuel Pump Control Circuit Open/Shorted to ground -- Check the fuel pump electrical. Refer to FUEL PUMP VOLTAGE SUPPLY, CHECKING 
  • Signal voltage 4.50 to 5.50 V (open circuit)
  • Signal voltage < 3.00 V (grounded circuit)
  • Fuel pump relay commanded OFF
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P0629 Fuel Pump Control Circuit High -- Check the fuel pump electrical. Refer to FUEL PUMP VOLTAGE SUPPLY, CHECKING 
  • Signal current 0.60 to 1.20 A
  • Fuel pump relay commanded ON
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P0638 Throttle Actuator Control Range/Performance - Bank 1 -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • Time to close to reference point > 0.6 Sec. and reference point = 2.88%
or
  • TPS 1 signal voltage, not 0.40 - 0.80 V
  • TPS 2 signal voltage, not (4.20 - 4.60) V
  • Ignition, on
  • Engine speed, 0 RPM
  • IAT, > -20.3 to 143.3 °C
  • ECT > -20.3 to 114.8 °C
  • Vehicle speed, 0 km/h
 0.3 Sec.
  • 2 DCY
P0641 Sensor Reference Voltage "A" Circuit/Open -- If any sensor specific codes are present, perform the diagnostic for those codes first. If no sensor codes are set, replace the Motronic Engine Control Module (ECM) -J623-. Refer to the Repair Information.
  • Signal voltage deviation > +/- 0.3 V
 --- 0.5 Sec.
  • 2 DCY
P0651 Sensor Reference Voltage "B" Circuit/Open -- If any sensor specific codes are present, perform the diagnostic for those codes first. If no sensor codes are set, replace the Motronic Engine Control Module (ECM) -J623-. Refer to the Repair Information.
  • Signal voltage deviation > +/- 0.3 V
 --- 0.5 Sec.
  • 2 DCY
P0697 Sensor Reference Voltage "C" Circuit/Open -- If any sensor specific codes are present, perform the diagnostic for those codes first. If no sensor codes are set, replace the Motronic Engine Control Module (ECM) -J623-. Refer to the Repair Information.
  • Signal voltage deviation > +/- 0.3 V
 --- 0.5 Sec.
  • 2 DCY
P117A Fuel System out of range -- Check the fuel pressure. Refer to FUEL PUMP PRESSURE, CHECKING -- Check the Oxygen Sensor O2S 1 in center Three Way Catalytic Converter -G465-. Refer to OXYGEN SENSOR IN CENTER CATALYTIC CONVERTER, CHECKING (CBUA ONLY) -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING 
  • I - portion of 3rd lambda control loop > 0.03
  • Engine speed 1400 to 3600 RPM
  • Modeled exhaust gas temp 350 - 1000 °C
  • Engine load 20.3 to 54.8%
  • All O2 sensors in closed loop - no faults.
 1800 Sec.
  • 2 DCY
P150A Engine Off Timer Performance Check the ECM battery voltage inputs. The ECM must have voltage input with key off. Refer to wiring diagrams for pin locations. If key off voltage supply is present at the ECM, replace the ECM. Refer to the Repair Information
  • Comparison of engine off time from Instrument Cluster control unit with ECM engine after run timer < -12 or > 12 Sec.
  • Key ON during ECM after run timer - active
  • CAN active
 6 Sec.
  • 2 DCY
P1609 Crash shut off was deployed This is an information only code. After vehicle is repaired, fault may be cleared Airbags activated --- 0 Sec.
  • 2 DCY
P169A Vehicle In Transport Mode -- Transport mode can be turned off with a scan tool or will automatically switch off after 62.3 miles are on the vehicle.
  • Transport mode active
 FOR ACTIVATION: during ECM keep alive-time after ignition off
  • vehicle speed < 3.1 MPH
  • engine speed 0.0 RPM
  • max trip mileage since initial vehicle start-up < 62.13 Miles
  • production mode not active
FOR HYBRID:
  • drive motor off
  • 0.00 Sec.
  • 1 DCY
P2088 Camshaft Position Actuator Control Circuit Low Bank 1 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to Camshaft Adjustment Valve 1 -N205-, CHECKING .
  • Signal voltage 0.0 to 3.25 V
  • Camshaft solenoid commanded OFF
  • Engine speed, > 80 RPM
 0.5 Sec.
  • 2 DCY
P2089 Camshaft Position Actuator Control Circuit High Bank 1 -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to Camshaft Adjustment Valve 1 -N205-, CHECKING .
  • Signal current, > 2.2 A
  • Relay, commanded ON
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P2096 Post Catalyst Fuel Trim System Too Lean Bank 1 -- Check the fuel pressure. Refer to FUEL PUMP PRESSURE, CHECKING -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING  For CBUA only: -- Check the Oxygen Sensor O2S 1 in center Three Way Catalytic Converter -G465-. Refer to OXYGEN SENSOR IN CENTER CATALYTIC CONVERTER, CHECKING (CBUA ONLY) 
  • Deviation lambda control < -0.03%
  • Lambda control, Closed loop, not at min. or max.
  • Engine speed, 1200-4000 RPM
  • Fuel cutoff and catalyst heating not active
  • O2S front, ready and heater active
  • O2S rear, ready and heater active
  • Modeled exhaust gas temperature 400 to 1000 °C
  • Exhaust gas mass flow 18 to 180 kg/h
  • 2nd lambda control closed loop
 140 Sec.
  • 2 DCY
P2097 Post Catalyst Fuel Trim System Too Rich Bank 1 -- Check the fuel pressure. Refer to FUEL PUMP PRESSURE, CHECKING -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING -- Check the Three Way Catalytic Converter (TWC). Refer to CATALYTIC CONVERTER, CHECKING . For CBUA only: -- Check the Oxygen Sensor O2S 1 in center Three Way Catalytic Converter -G465-. Refer to OXYGEN SENSOR IN CENTER CATALYTIC CONVERTER, CHECKING (CBUA ONLY) 
  • Deviation lambda control > 0.03%
  • Lambda control, Closed loop, not at min. or max.
  • Engine speed, 1200-4000 RPM
  • Fuel cutoff and catalyst heating not active
  • O2S front, ready and heater active
  • O2S rear, ready and heater active
  • Modeled exhaust gas temperature 400 to 1000 °C
  • Exhaust gas mass flow 18 to 180 kg/h
  • 2nd lambda control closed loop
  • SAI not active
 140 Sec.
  • 2 DCY
P2101 Throttle Actuator Control Motor Circuit Range/Performance -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • Duty cycle > 80%
  • Deviation throttle value angles vs calculated value 4 to 50%
  • ECM driver = no fault
 --- 0.5 to 5 Sec.
  • 2 DCY
P2106 Throttle Actuator Control System - Forced Limited Power -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • Internal check failure
  • Duty cycle > 80%
  • Deviation throttle value angle vs. calculated value > 4 to 50%
 0.5 Sec.
  • 2 DCY
P2122 Accelerator Pedal Position Sensor D Circuit Low Input -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR 1/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage < 0.61 V
 --- 0.5 Sec.
  • 2 DCY
P2123 Accelerator Pedal Position Sensor D Circuit High Input -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR 1/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage > 4.79 V
 --- 0.5 Sec.
  • 2 DCY
P2127 Accelerator Pedal Position Sensor E Circuit Low Input -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR 1/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage < 0.27 V
 --- 0.5 Sec.
  • 2 DCY
P2128 Accelerator Pedal Position Sensor E Circuit High Input -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR 1/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage > 2.43 V
 --- 0.5 Sec.
  • 2 DCY
P2138 Accelerator Pedal Position Sensor D / E Voltage Correlation -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR 1/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage sensor 1 vs. 2 > 0.17 to 0.70 V
  • Signal voltage sensor 1 > 445 mV
  • Signal voltage sensor 2 > 445 mV
 0.24 Sec.
  • 2 DCY
P2177 System Too Lean Off Idle
  • Adaptive value > 28%
  • Number of injections after engine start > 1500
  • Engine speed < 860 RPM
  • Mass air flow < 35 kg/h
  • ECT > 59 °C
  • IAT < 85 °C
  • Ratio manifold pressure to ambient pressure > 0.20
  • Delta part load adaptation ready
  • Lambda control - closed loop
  • EVAP purge valve closed
  • Valve overlap < 40 °CRK
 25 Sec.
  • 2 DCY
P2178 System Too Rich Off Idle
  • Adaptive value < -20%
  • Number of injections after engine start > 1500
  • Engine speed < 860 RPM
  • Mass air flow < 35 kg/h
  • ECT > 59 °C
  • IAT < 85 °C
  • Ratio manifold pressure to ambient pressure > 0.20
  • Delta part load adaptation ready
  • Lambda control - closed loop
  • EVAP purge valve closed
  • Valve overlap < 40 °CRK
 25 Sec.
  • 2 DCY
P2181 Cooling System Performance -- Check the Cooling system thermostat. Refer to the Repair Information.-- Check Engine Coolant Temperature (ECT) Sensor -G62 or G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2, CHECKING .
  • ECT too low after sufficient mass air flow interval < 70-73°C
  • ECT at start -10 to 60 °C
  • AAT > -10 °C
  • Fuel cutoff not active
  • Engine load 14 - 95%
  • Average air mass flow 35 to 280 kg/h
  • Average veh speed 30 to 120 km/h
 200 Seconds
  • 2 DCY
P2184 Engine Coolant Temperature Sensor 2 Circuit Low -- Check Engine Coolant Temperature (ECT) Sensor - G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2, CHECKING .
  • ECT outlet > 140 °C
 --- 2 Sec.
  • 2 DCY
P2185 Engine Coolant Temperature Sensor 2 Circuit High -- Check Engine Coolant Temperature (ECT) Sensor -G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2, CHECKING .
  • ECT outlet < -40 °C
 --- 2 Sec.
  • 2 DCY
P2187 System Too Lean at Idle Bank 1
  • Adaptive value > 5.02%
  • Number of injections after engine start > 1500
  • Engine speed < 860 RPM
  • Mass air flow < 35 kg/h
  • ECT > 59 °C
  • IAT < 85 °C
  • Ratio manifold pressure to ambient pressure > 0.20
  • Delta part load adaptation ready
  • Lambda control - closed loop
  • EVAP purge valve closed
  • Valve overlap < 40 °CRK
 40 Sec.
  • 2 DCY
P2188 System Too Rich at Idle Bank 1
  • Adaptive value < -5.02%
  • Number of injections after engine start > 1500
  • Engine speed < 860 RPM
  • Mass air flow < 35 kg/h
  • ECT > 59 °C
  • IAT < 85 °C
  • Ratio manifold pressure to ambient pressure > 0.20
  • Delta part load adaptation ready
  • Lambda control - closed loop
  • EVAP purge valve closed
  • Valve overlap < 40 °CRK
 40 Sec.
  • 2 DCY
P2195 O2 Sensor Signal Biased/Stuck Lean - Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • Delta lambda of 2nd lambda control loop > 0.07
  • Modeled exhaust gas temp 400 to 1000 °C
  • Delta engine load < 12%
  • Exhaust gas mass flow 18 to 180 kg/h
  • Lambda control - closed loop
  • O2 heaters ready
  • Fuel cutoff, catalyst heating, SAI not active
 30 to 140 Seconds
  • 2 DCY
P2196 O2 Sensor Signal Biased/Stuck Rich - Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • Delta lambda of 2nd lambda control loop < -0.07
  • Modeled exhaust gas temp 400 to 1000 °C
  • Delta engine load < 12%
  • Exhaust gas mass flow 18 to 180 kg/h
  • Lambda control - closed loop
  • O2 heaters ready
  • Fuel cutoff, catalyst heating, SAI not active
 30 to 140 Sec.
  • 2 DCY
P219C Cylinder 1 Air-Fuel Ratio Imbalance -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PUMP PRESSURE, CHECKING -- Check Fuel Injectors -N30, N31, N32, N33, N83-. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Individual cylinder fuel correction based on measured enleanment for dedicated engine roughness increase
  • Engine roughness signal valid
  • Engine speed 1400-2520 RPM
  • Engine load 27-63%
  • BARO pressure > 70 kPa
  • AAT > -20 °C
  • DCT 65-108 °C
  • Modeled exhaust gas temp 450 to 750 °C
  • Lambda control - closed loop
  • Rough road not detected
  • Homogeneous stochiometric active
 20 Sec
  • 2 DCY
P219D Cylinder 2 Air-Fuel Ratio Imbalance -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PUMP PRESSURE, CHECKING -- Check Fuel Injectors -N30, N31, N32, N33, N83-. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Individual cylinder fuel correction based on measured enleanment for dedicated engine roughness increase
  • Engine roughness signal valid
  • Engine speed 1400-2520 RPM
  • Engine load 27-63%
  • BARO pressure > 70 kPa
  • AAT > -20 °C
  • DCT 65-108 °C
  • Modeled exhaust gas temp 450 to 750 °C
  • Lambda control - closed loop
  • Rough road not detected
  • Homogeneous stochiometric active
 20 Sec
  • 2 DCY
P219E linder 3 Air-Fuel Ratio Imbalance -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PUMP PRESSURE, CHECKING -- Check Fuel Injectors -N30, N31, N32, N33, N83-. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Individual cylinder fuel correction based on measured enleanment for dedicated engine roughness increase
  • Engine roughness signal valid
  • Engine speed 1400-2520 RPM
  • Engine load 27-63%
  • BARO pressure > 70 kPa
  • AAT > -20 °C
  • DCT 65-108 °C
  • Modeled exhaust gas temp 450 to 750 °C
  • Lambda control - closed loop
  • Rough road not detected
  • Homogeneous stochiometric active
 20 Sec
  • 2 DCY
P219F Cylinder 4 Air-Fuel Ratio Imbalance -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PUMP PRESSURE, CHECKING -- Check Fuel Injectors -N30, N31, N32, N33, N83-. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Individual cylinder fuel correction based on measured enleanment for dedicated engine roughness increase
  • Engine roughness signal valid
  • Engine speed 1400-2520 RPM
  • Engine load 27-63%
  • BARO pressure > 70 kPa
  • AAT > -20 °C
  • DCT 65-108 °C
  • Modeled exhaust gas temp 450 to 750 °C
  • Lambda control - closed loop
  • Rough road not detected
  • Homogeneous stochiometric active
 20 Sec
  • 2 DCY
P21A0 Cylinder 5 Air-Fuel Ratio Imbalance -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the fuel pressure. Refer to FUEL PUMP PRESSURE, CHECKING -- Check Fuel Injectors -N30, N31, N32, N33, N83-. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292, N323-. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Individual cylinder fuel correction based on measured enleanment for dedicated engine roughness increase
  • Engine roughness signal valid
  • Engine speed 1400-2520 RPM
  • Engine load 27-63%
  • BARO pressure > 70 kPa
  • AAT > -20 °C
  • DCT 65-108 °C
  • Modeled exhaust gas temp 450 to 750 °C
  • Lambda control - closed loop
  • Rough road not detected
  • Homogeneous stochiometric active
 20 Sec
  • 2 DCY
P2237 O2 Sensor Positive Current Control Circuit Open Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • O2S signal front 1.49 to 1.51 V
  • Fuel cutoff > 3 Sec.
  • Delta lambda controller > 0.10
  • O2S ceramic temp > 720 °C
  • Lambda control, Closed loop
  • Heater control, Closed loop
  • Lambda modulation > 0.02
 6.5 Sec.
  • 2 DCY
P2243 O2 Sensor Reference Voltage Circuit Open Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • O2S signal front > 4.70 V and Internal resistance > 950 Ω
  • O2S signal front < 0.20 V And Internal resistance > 950 Ω
  • Heater control active
 25.5 Sec.
  • 2 DCY
P2251 O2 Sensor Negative Current Control Circuit Open -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • O2S signal front 1.47 to 1.53 V and > 950 Ω
  • Modeled exhaust gas temp < 750 Ω
  • No fuel cutoff > 2 Sec.
  • Heater control active
 30.5 Sec.
  • 2 DCY
P2257 Secondary Air Injection System Control Circuit Low
  • Signal voltage 0 to 3.26 V
  • Pump relay commanded OFF
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P2258 Secondary Air Injection System Control Circuit High
  • Signal current 0.60 to 2.40 A
  • Pump relay commanded ON
  • Engine speed > 80 RPM
 0.5 Sec.
  • 2 DCY
P2270 O2 Sensor Signal Stuck Lean Bank 1 Sensor 2 For CBTA (Fed) ONLY: -- Check the Oxygen Sensor (O2S) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING . For CBUA (Cali) ONLY: -- Check the Oxygen Sensor (O2S) -G465-. Refer to OXYGEN SENSOR IN CENTER CATALYTIC CONVERTER, CHECKING (CBUA ONLY) .
  • O2S signal rear not oscillating at reference < 598 mV and enrichment after stuck lean 20%
  • Mass air flow 22 to 120 kg/h
  • Modeled exhaust gas temp > 300 °C
  • O2S rear readiness > 10 Sec.
  • 2nd lambda control - closed loop
 95 Sec.
  • 2 DCY
P2271 O2 Sensor Signal Stuck Rich Bank 1 Sensor 2 For CBTA (Fed) ONLY: -- Check the Oxygen Sensor (O2S) -G130-. Refer to OXYGEN SENSOR AFTER CATALYTIC CONVERTER, CHECKING . For CBUA (Cali) ONLY: -- Check the Oxygen Sensor (O2S) -G465-. Refer to OXYGEN SENSOR IN CENTER CATALYTIC CONVERTER, CHECKING (CBUA ONLY) .
  • O2S signal rear not oscillating at reference > 598 mV and enrichment after stuck rich 15%
  • Mass air flow 22 to 120 kg/h
  • Modeled exhaust gas temp > 300 °C
  • O2S rear readiness > 10 Sec.
  • 2nd lambda control - closed loop
 10 to 95 Sec.
  • 2 DCY
P2274 O2 Sensor Signal Stuck Lean Bank 1 Sensor 3
  • O2S rear not oscillating at reference < 0.64 to 0.65 V and enrichment after stuck lean 20%
  • Mass air flow 22 to 120 kg/h
  • Modeled exhaust gas temp > 300 °C
  • O2S rear readiness > 10 Sec.
  • 2nd lambda control - closed loop
 215 Sec.
  • 2 DCY
P2275 O2 Sensor Signal Stuck Rich Bank 1 Sensor 3
  • O2S rear not oscillating at reference > 0.64 to 0.65 V and enrichment after stuck rich 15%
OR
  • Sensor voltage of >= 0.15 V after oxygen mass flow (after fuel cutoff) > 3500 mg with >= 1 check
  • Mass air flow 22 to 120 kg/h
  • Modeled exhaust gas temp > 300 °C
  • Fuel cutoff > 3 Sec.
  • O2S rear readiness > 10 Sec.
  • 2nd lambda control - closed loop
OR
  • Time of fuel cutoff <= 90 Sec.
  • Time after last fuel cutoff >= 5 Sec.
  • Rear O2S ready
  • Exhaust temp at sensor deviation between actual and expected lambda signal < 8 after time since fuel cutoff at first cylinder >= 2 Sec.
  • Exhaust mass flow >= 12 kg/h
  • Exhaust mass flow dynamic within range -500 to 500 kg/h
  • Sensor voltage at start of measurement > 0.45 V
  • Target voltage end of measurement <= 0.15 V
 10 to 215 Sec.
  • 2 DCY
P2279 Intake Air System Leak
  • Check the intake system for leaks. Check oil cap for proper seal along with engine cover gaskets or oil dipstick not seated in tube, that may allow additional air into crankcase. The PCV system is not metered (no valve) so any additional air entering through an engine gasket will cause an increase in PCV volume drawn into the intake manifold.
  • Offset value throttle mass flow > 13 kg/h
  • Desired mass flow 0 to 25 kg/h
  • EVAP purge and EGR closed
 10 Sec.
  • 2 DCY
P2300 Ignition Coil A Primary Control Circuit Low -- Check the Ignition Coils with Power Output Stage --. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current > 24 mA
  • Engine speed, > 680 RPM
 2 Sec.
  • 2 DCY
P2301 Ignition Coil A Primary Control Circuit High -- Check the Ignition Coils with Power Output Stage --. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal voltage > 5.1 - 7.0 mA
  • Engine speed > 680 RPM
 2 Sec.
  • 2 DCY
P2303 Ignition Coil B Primary Control Circuit Low -- Check the Ignition Coils with Power Output Stage --. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current > 24 mA
  • Engine speed, > 680 RPM
 2 Sec.
  • 2 DCY
P2304 Ignition Coil B Primary Control Circuit High -- Check the Ignition Coils with Power Output Stage --. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal voltage > 5.1 - 7.0 mA
  • Engine speed > 680 RPM
 2 Sec.
  • 2 DCY
P2306 Ignition Coil C Primary Control Circuit Low -- Check the Ignition Coils with Power Output Stage --. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current > 24 mA
  • Engine speed, > 680 RPM
 2 Sec.
  • 2 DCY
P2307 Ignition Coil C Primary Control Circuit High -- Check the Ignition Coils with Power Output Stage --. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal voltage > 5.1 - 7.0 mA
  • Engine speed > 680 RPM
 2 Sec.
  • 2 DCY
P2309 Ignition Coil D Primary Control Circuit Low -- Check the Ignition Coils with Power Output Stage --. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current > 24 mA
  • Engine speed, > 680 RPM
 2 Sec.
  • 2 DCY
P2310 Ignition Coil D Primary Control Circuit High -- Check the Ignition Coils with Power Output Stage --. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal voltage > 5.1 - 7.0 mA
  • Engine speed > 680 RPM
 2 Sec.
  • 2 DCY
P2312 Ignition Coil "E" Primary Control Circuit Low -- Check the Ignition Coils with Power Output Stage --. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal current > 24 mA
  • Engine speed, > 680 RPM
 2 Sec.
  • 2 DCY
P2313 Ignition Coil "E" Primary Control Circuit High -- Check the Ignition Coils with Power Output Stage --. Refer to IGNITION COIL WITH POWER OUTPUT STAGE, CHECKING .
  • Signal voltage > 5.1 - 7.0 mA
  • Engine speed > 680 RPM
 2 Sec.
  • 2 DCY
P240A Evaporative Emission System Leak Detection Pump Heater Control Circuit Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • Signal voltage > 4.7 to 5.4 V
  • EVAP pump electric drive commanded off
 0.5 Sec.
  • 2 DCY
P240B Evaporative Emission System Leak Detection Pump Heater Control Circuit Low -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • Signal voltage < 2.74 to 3.26 V
  • EVAP pump electric drive commanded off
 0.5 Sec.
  • 2 DCY
P240C Evaporative Emission System Leak Detection Pump Heater Control Circuit High -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • Signal current > 2.2 to 4 A
  • EVAP pump electric drive commanded on
 0.5 Sec.
  • 2 DCY
P2400 Evaporative Emission System Leak Detection Pump Control Circuit/Open For Model Years 2007 - 2010:-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2009 - 2010 ONLY) . For Model Year 2011 > -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • Signal voltage > 4.70 to 5.40 V
  • LDP commanded OFF
 0.5 Sec.
  • 2 DCY
P2401 Evaporative Emission System Leak Detection Pump Control Circuit Low For Model Years 2007 - 2010:-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2009 - 2010 ONLY) . For Model Year 2011 > -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • Signal voltage < 2.74 to 3.26 V
  • LDP commanded OFF
 0.5 Sec.
  • 2 DCY
P2402 Evaporative Emission System Leak Detection Pump Control Circuit High For Model Years 2007 - 2010:-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2009 - 2010 ONLY) . For Model Year 2011 > -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • Signal voltage > 4.00 or >1.80 V
  • LDP commanded ON
 0.5 Sec.
  • 2 DCY
P2403 Evaporative Emission System Leak Detection Pump Sense Circuit/Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2009 - 2010 ONLY) .
  • Low signal voltage >.5 Sec.
  • Evap purge valve closed and LDP activated
  • Air temperature 5 - 95 °C
  • Altitude < 2700 m
  • Veh speed>= 0 km/h and ones > 30 km/h
  • Restart temp difference > 52 °K
  • Time after engine start 12 - 1200 Sec. after > 21600 Sec. of engine shutoff
  • Integrated purge flow > 29.90 g
  • ECT 5 to 105 °C
  • Selected gear, Any drive
 0.5 Sec.
  • Once/DCY
  • 2 DCY
P2404 Evaporative Emission System Leak Detection Pump Sense Range/Performance -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2009 - 2010 ONLY) .
  • High signal voltage > 12 Sec. and number of checks = 30
  • Cumulative time of high signal voltage during pumping > 10 Sec.
  • Evap purge valve closed and LDP activated
  • Air temperature 5 - 95 °C
  • Altitude < 2700 m
  • Veh speed>= 0 km/h and ones > 30 km/h
  • Restart temp difference > 52 °K
  • IAT drop after engine start, < 3.75 °C
  • Time after engine start 12 - 1200 Sec. after > 21600 Sec. of engine shutoff
  • Intake manifold vacuum, > -2560 hPa
  • ECT 5 to 105 °C
  • Selected gear, Any drive
 12 - 120 Sec.
  • Once/DCY
  • 2 DCY
P2407 Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent/Erratic For Model Years 2009 - 2010:-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2009 - 2010 ONLY) . For Model Year 2011 > -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) .
  • Fluctuation of EVAP pump current during reference measurement > 1 mA
  • Drop of EVAP pump current during pump phase > 6 mA for >= 3 Sec.
  • ECT > 60 °C
  • ECT at start < 60 °C
  • AAT > 4 and < 35 °C
  • Altitude <= 2700 m
  • Time since engine start >= 600 Sec.
  • Integrated EVAP purge flow since last purge stop > 2 g
  • Integrated EVAP purge flow since last monitoring run > 0 g
  • Intake manifold vacuum > 100 hPa
  • Vehicle speed < 120 km/h
  • Fuel volume flow <= 5 ml/s
  • Change in battery voltage during monitoring < 1.50 V
  • Engine speed not at idle and above 20 RPM
  • O2S front ready
 21.5 Sec.
  • 2 DCY
P2414 O2 Sensor Exhaust Sample Error Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • Threshold 1
  • Signal voltage 3.1 to 4.77 V
  • Threshold 2
  • Signal Voltage 2.5 to 3.06 V
  • Lambda value < 1.6
  • Fuel cut off, Not active
  • Heater control - closed loop
  • O2S ceramic temp, 715 °C
  • Secondary air not active
 15 Sec.
  • 2 DCY
P2431 Secondary Air Injection System Air Flow Pressure Sensor Circuit Range/Performance -- Check the Secondary Air Injection Sensor 1 -G609-. Refer to SECONDARY AIR INJECTION SENSOR 1, CHECKING .
  • Difference between SAI pressure and ambient pressure NOT -60 to 60 hPa
  • Secondary Air Injection - done
 0.5 Sec.
  • Once/DCY
  • 2 DCY
P2432 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low -- Check the Secondary Air Injection Sensor 1 -G609-. Refer to SECONDARY AIR INJECTION SENSOR 1, CHECKING .
  • Signal voltage < 0.5 V
 --- 0.5 Sec.
  • 2 DCY
P2433 Secondary Air Injection System Air Flow/Pressure Sensor Circuit High -- Check the Secondary Air Injection Sensor 1 -G609-. Refer to SECONDARY AIR INJECTION SENSOR 1, CHECKING .
  • Signal voltage > 4.5 V
 --- 0.5 Sec.
  • 2 DCY
P2440 Secondary Air Injection System Switching Valve Stuck Open -- Check the Combination Valve --. Refer to SECONDARY AIR INJECTION COMBINATION VALVE, CHECKING .-- Check the Secondary Air Injection Sensor 1 -G609-. Refer to SECONDARY AIR INJECTION SENSOR 1, CHECKING .
  • SAI pressure sensor measured with SAI pressure vs. modeled while SAI valve closed < 64.8%
  • ECT 3 to 105 °C
  • IAT 4.5 to 143.3 °C
  • Altitude < 2700 m
  • SAI pressure sensor - ready
 55.5 Sec.
  • Once/DCY
  • 2 DCY
P2450 Evaporative Emission System Switching Valve Performance/Stuck Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING (MODEL YEAR 2011 >) 
  • EVAP pump current difference between reference measurement to idle < 3 mA
  • ECT > 60 °C
  • ECT at start < 60 °C
  • AAT > 4 and < 35 °C
  • Altitude <= 2700 m
  • Time since engine start >= 600 Sec.
  • Integrated EVAP purge flow since last purge stop > 2 g
  • Integrated EVAP purge flow since last monitoring run > 0 g
  • Intake manifold vacuum > 100 hPa
  • Vehicle speed < 120 km/h
  • Fuel volume flow <= 5 ml/s
  • Change in battery voltage during monitoring < 1.50 V
  • Engine speed not at idle and above 20 RPM
  • O2S front ready
 21.5 Sec.
  • 2 DCY
P2626 O2 Sensor Pumping Current Trim Circuit Open Bank 1 Sensor 1 -- Check the Oxygen Sensor (O2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • O2S signal front > 4.81 V (lean)
  • O2S ceramic temp > 720 °C
  • Modeled exhaust temp, < 750 °C
  • Fuel cut off, Active
  • Heater control - closed loop
 2 Sec.
  • 2 DCY
P3081 Engine Temperature Too Low -- Check the coolant thermostat. Refer to the Repair Information -- Check the Engine Coolant Temperature (ECT) Sensor -G62 or G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2, CHECKING .
  • Difference between ECT and modeled ECT > 11 K
 --- 4 Sec.
  • 2 DCY
U0001 High Speed CAN Communication Bus -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
  • CAN message = no feedback
 Time after ignition on = 500 mSec. 250 mSec.
  • 2 DCY
U0002 High Speed CAN Communication Bus Performance -- Check the CAN-Bus terminal resistance. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
  • Global time out, no messages received
 Time after ignition on = 500 mSec. 450 mSec.
  • 2 DCY
U0101 Lost Communication with TCM -- Check the CAN-Bus terminal resistance, Transmission Control Module -J217- to Engine Control Module (ECM) - J623-. Refer to CAN-BUS TERMINAL RESISTANCE, TRANSMISSION CONTROL MODULE TO ENGINE CONTROL MODULE, CHECKING .
  • Time out, no message received
 Time after ignition on = 500 mSec. 500 mSec.
  • 2 DCY
U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module Check for ABS module communication with scan tool. If no communication with scan tool, check power supply and ground to ABS module. If power and ground are present, perform diagnosis on the ABS module. Refer to the Repair Information.
  • No CAN messages received
 Time after ignition on = 500 mSec. 500 mSec.
  • 2 DCY
U0146 Lost Communication With Gateway "A" Check for Data Bus On Board Diagnostic Interface communication with scan tool. If no communication with scan tool, check power and ground to Data Bus On Board Diagnostic Interface. If no other communication faults are set, the ECM may be at fault.
  • No CAN messages received
 Time after ignition on = 500 mSec. 500 mSec.
  • 2 DCY
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module Check TSB's for software update. Check for IPC communication with scan tool. If IPC has no communication with scan tool check power and ground to cluster. If present, replace the cluster
  • No CAN messages received
 Time after ignition on = 500 mSec. 500 mSec.
  • 2 DCY
U0302 Software Incompatibility with Transmission Control Module Check ECM calibration. Fault will set if ECM was programmed for a manual trans in an automatic transmission vehicle.
  • Manual transmission coded ECM but automatic transmission messages received from TCM
 Time after ignition on = 500 mSec. 100 mSec.
  • 2 DCY
U0402 Invalid Data Received From Transmission Control Module Check TSB's for software update. Check for correct software. Check to see if any other modules have set an invalid data code from TCM (ABS, Cluster etc.). If so and the software is correct, replace the TCM.
  • Implausible data message received
 Time after ignition on = 500 mSec. 60 mSec.
  • 2 DCY
U0415 Invalid Data Received From Anti-Lock Brake System Control Module Check ABS for any sensor faults. Check ABS module with scan tool for correct calibration software, veh info and correct VIN.
  • Sensor signal failure
  • None, or implausible information
  • CAN 1 VSS signal incorrect > 327.08 km/h
 Time after ignition on = 500 mSec. 480 to 1980 mSec.
  • 2 DCY
U0422 Invalid Data Received From Body Control Module -- Check the Ambient Air Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR, CHECKING .
  • Ambient temperature value initialization = 00h
  • Key ON
  • Status ambient temperature from instrument cluster - no fault
  • Ambient temp sensor - no fault
 3 Sec.
  • 2 DCY
U0423 Invalid Data Received From Instrument Panel Control (IPC) Module -- Check the Ambient Air Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR, CHECKING .
  • AAT sensor reading from cluster to ECM implausible or no message
 Time after ignition on = 500 mSec. 3 Sec.
  • 2 DCY
U0447 Invalid Data Received From Gateway Module Check TSB's for software update. Check other modules on bus for similar message. If only 1 module has this DTC set, that module may not be reading the information and require replacement.
  • CAN message incorrect
 Time after ignition on = 500 mSec. 300 mSec.
  • 2 DCY
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