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DTC Tables

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum.
P0016 Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor A -- Check the Engine Speed Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
  • Permissible deviation < -12 CRK rev.
OR
  • Permissible deviation > 12 CRK rev.
 --- 10 Rev.
  • 2 DCY
P0030 HO2S Heater Control Circuit Bank 1 Sensor 1 -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to HEATED OXYGEN SENSOR (HO2S) HEATER, CHECKING .
  • Heater voltage 4.70 - 5.40 V
  • Time after engine start > 5 s
  • Heater commanded off
 0.5 s
  • 2 DCY
P0031 HO2S Heater Control Circuit Low Bank 1 Sensor 1 -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to HEATED OXYGEN SENSOR (HO2S) HEATER, CHECKING .
  • Heater voltage 0 to 3.26 V
  • Time after engine start > 5 s
  • Heater commanded off
 0.5 s
  • 2 DCY
P0032 HO2S Heater Control Circuit High Bank 1 Sensor 1 -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to HEATED OXYGEN SENSOR (HO2S) HEATER, CHECKING .
  • Heater current > 5.50 A
  • Time after engine start > 5 s
  • Heater commanded off
 0.5 s
  • 2 DCY
P0036 HO2S Heater Control Circuit Bank 1 Sensor 2 -- Check the Heater For Oxygen Sensor 1 After Catalytic Converter -Z29-. Refer to HEATED OXYGEN SENSOR HEATER AFTER THREE WAY CATALYTIC CONVERTER, CHECKING .
  • Heater voltage 2.34 to 3.59 V
  • Engine speed > 80 RPM
  • Heater, Commanded off
 0.5 s
  • 2 DCY
P0037 HO2S Heater Control Circuit Low Bank 1 Sensor 2 -- Check the Heater For Oxygen Sensor 1 After Catalytic Converter -Z29-. Refer to HEATED OXYGEN SENSOR HEATER AFTER THREE WAY CATALYTIC CONVERTER, CHECKING .
  • Heater voltage < 2.34 V
  • Engine speed > 80 RPM
  • Heater, Commanded off
 0.5 s
  • 2 DCY
P0038 HO2S Heater Control Circuit High Bank 1 Sensor 2 -- Check the Heater For Oxygen Sensor 1 After Catalytic Converter -Z29-. Refer to HEATED OXYGEN SENSOR HEATER AFTER THREE WAY CATALYTIC CONVERTER, CHECKING . Heater voltage > 3.59 V
  • Engine speed > 80 RPM
  • Heater, Commanded off
 0.5 s
  • 2 DCY
P0070 Ambient Air Temperature Sensor Circuit -- Check the Ambient Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR CHECKING  Ambient air temperature < -50 °C CAN active 6 s
  • 2 DCY
P0071 Ambient Air Temperature Sensor Range / Performance -- Check the Ambient Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR CHECKING 
  • Difference in value IAT vs. ECT @ engine start (depending on engine off time) < 25 °K
  • Difference in value IAT vs AAT @ engine start > 25 °K (depending on engine off time)
  • Difference in value ECT vs AAT @ engine start > 25 °K (depending on engine off time)
  • Engine off time > 6 hours
  • ECT @ engine start < 2 °K
minus
  • ECT @ time after engine start 180 s
  • AAT @ engine start < 2 °K
minus
  • AAT @ condition veh speed > 40 km/h for time > 5 s
  • IAT @ engine start < 2 °K
minus
  • IAT @ condition veh speed > 40 km/h for time > 5 s
 0 s
  • 2 DCY
P0072 Ambient Air Temperature Sensor Circuit Low -- Check the Ambient Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR CHECKING  Ambient air temperature > 87 °C CAN active 6 s
  • 2 DCY
P0106 Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance -- Check the MAP / IAT sensor -G71/G42-. Refer to INTAKE AIR TEMPERATURE SENSOR / MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING . If there is no fault found with the Charge Air Pressure sensor or wiring, check for any related TSB's. The Altitude sensor is located within the ECM and will require replacement of the ECM if the reading is more than 10% out of range.
  • Difference of actual manifold pressure lower threshold < 0 [kPa]
  • Modeled range 45 - 845 [kPa]
OR OR		   2.5 s
  • Multiple
  • 2 DCY
  • Difference of actual manifold pressure upper threshold > 0 [kPa]
  • Modeled range 640 to 1055 [kPa]
  • Difference between BARO sensor and MAP sensor at engine start > 60 [kPa]
  • Time after engine start < 25 s
  • Engine speed < 330 RPM
  • offset value manifold pressure for load calculation in driving condition range 2 > 5.50 [kPa]
 Driving condition range 1 (omsna):
  • engine speed < 900 [RPM]
  • desired mass air flow 5.00 - 25.00 [kg/h]
  • delta adaptation value range 1 < 0.10 [kg/h]
  • for time 1.0 [s]
driving condition range 2 (opsra):
  • engine speed > 1400 [RPM]
  • manifold pressure < 49.00 [kPa]
  • delta adaptation value range 2 < 0.30 [kPa]
  • for time 8.0 [s]
driving condition range 3 (opua):
  • desired mass air flow > 40.00 [kg/h]
  • manifold pressure > 59.00 [kPa]
  • delta adaptation value range 3 < 0.30 [kPa]
  • for time 5.0 [s]
general:
  • engine operation in every driving condition >= 2 times diagnosis
  • evap purge system = not active
  • engine speed 500 - 6000 [RPM]
  • manifold pressure n.a.
  • ratio manifold pressure to barometric pressure < 0.85 [-]
P0107 Manifold Absolute Pressure / Barometric Pressure Circuit Low -- Check the MAP / IAT sensor -G71/G42-. Refer to INTAKE AIR TEMPERATURE SENSOR / MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING .
  • Signal voltage < 0.20 V
   1 s
  • Continuous
  • 2 DCY
P0108 Manifold Absolute Pressure / Barometric Pressure Circuit High -- Check the MAP / IAT sensor -G71/G42-. Refer to INTAKE AIR TEMPERATURE SENSOR / MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING .
  • Signal voltage > 4.88 V
   1 s
  • Continuous
  • 2 DCY
P0111 Intake Air Temperature Sensor 1 Circuit Range/Performance -- Check the MAP / IAT sensor -G71/G42-. Refer to INTAKE AIR TEMPERATURE SENSOR / MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING .
  • Difference in value IAT vs. ECT @ engine start (depending on engine off time) > 25 °K
  • Difference in value IAT - AAT @ engine start < 25 °K (depending on engine off time)
  • Difference in value ECT vs AAT @ engine start > 25 °K (depending on engine off time)
  • Engine off time > 6 hours
  • ECT @ engine start < 2 °K
minus
  • ECT @ time after engine start 180 s
  • AAT @ engine start < 2 °K
minus
  • AAT @ condition veh speed > 40 km/h for time > 5 s
  • IAT @ engine start < 2 °K
minus
  • IAT @ condition veh speed > 40 km/h for time > 5 s
 0 s
  • 2 DCY
P0112 Intake Air Temperature Sensor 1 Circuit Low Input -- Check the MAP / IAT sensor -G71/G42-. Refer to INTAKE AIR TEMPERATURE SENSOR / MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING .
  • IAT > 130° C
 --- 5 s
  • 2 DCY
P0113 Intake Air Temperature Sensor 1 Circuit High Input -- Check the MAP / IAT sensor -G71/G42-. Refer to INTAKE AIR TEMPERATURE SENSOR / MANIFOLD ABSOLUTE PRESSURE SENSOR, CHECKING .
  • IAT < -46° C
 --- 5 s
  • 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 .
  • diff. max ECT vs. min ECT < 1.5 [K]
 Temp 1
  • ECT 105 to 141 °C
  • ECT @ engine start 50 -141 °C
  • without 75 - 105 [°C] substitute ECT > -45 [°C]
driving condition H:
  • vehicle speed 20 - 75 [mph]
  • mass air flow (lower threshold) 32.00 - 92.00 [kg/h]
  • mass air flow (upper threshold) 152.00 - 352.00 [kg/h]
OR
  • fuel cut off active
  • for time required > 40.0 [s]
  • frequency 1 times
driving condition L:
  • vehicle speed 0 - 20 [mph]
  • mass air flow (lower threshold) 4.00 [kg/h]
  • mass air flow (upper threshold) 24.00 - 40.00 [kg/h]
  • for time required > 10.0 [s]
  • frequency 3 times
 72 s
  • 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 s
  • 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 s
  • 2 DCY
P0121 Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • TPS 1 - TPS 2 > 5.10 6.30%
  • Actual TPS 1 calculated value > TPS 2 calculated value
  • TPS 1 calc. value > 9.00%
  • Engine speed > 480 RPM
 0.3 s
  • Multiple
  • 2 DCY
P0122 Throttle/Pedal Position Sensor/Switch "A" Circuit Low -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • Signal voltage < 0.20 V
 --- 0.1 s
  • Multiple
  • 2 DCY
P0123 Throttle/Pedal Position Sensor/Switch "A" Circuit High -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • Signal voltage > 4.81 V
 --- 0.1 s
  • Multiple
  • 2 DCY
P0130 O2 Sensor Circuit Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING 
  • O2S ceramic temp. < 640 °C
  • Modeled exhaust temp > 300 °C
  • Fuel cutoff not active
 15 s
  • 2 DCY
P0131 HO2 Sensor Circuit Low Voltage Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING 
  • VM > 1.75 V
  • UN > 1.50 V
  • IA or IP > 0.30 V
 --- 5 s
  • 2 DCY
P0132 O2 Sensor Circuit High Voltage Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING 
  • VM > 3.25 V
  • UN > 4.40 V
  • IA or IP > 7.00 V
 --- 5 s
  • 2 DCY
P0133  O2 Sensor Circuit Slow Response Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING  Signal dynamic slope check
  • O2S signal front vs. modeled O2S signal ratio < 0.35 and > 0.01
  • Cycles completed > 40
Oscillation check
  • Lambda amplitude signal > 20%
  • Cycles > 8
  • Time lambda > lambda amplitude 400 m s
Delay check
  • Delay modeled lambda signal minus measured signal > 460 m s
  • Cycles > 12
  • Engine speed, 1520 - 3000 RPM
  • Engine load, 15 - 70.01%
  • ECT >= 72 °C
  • Catalyst temperature >= 400 °C
  • Lambda control, Closed loop
  • EVAP purge inactive
  • O2S ceramic temp > 715 °C
  • Determination of measurement window, 500 m s
Oscillation and delay check
  • Lambda control, Closed loop
  • Engine load 20 - 80%
  • Engine speed 1340 - 3500 RPM
  • Actual lambda 0.75 - 1.25
  • 45 s
  • 2 DCY
P0135  O2 Sensor Heater Circuit Bank 1 Sensor 1 -- Check the Oxygen Sensor Heater -Z19-. Refer to HEATED OXYGEN SENSOR (HO2S) HEATER, CHECKING .
  • Heater duty cycle, > 90%
  • O2S ceramic temperature, < 715 °C
  • Time after O2S heater on 36 s
  • Heater control, Active
  • Modeled exhaust gas temp, > 550 °C
  • ECT at start > -10 °C
  • Engine shutoff time > 120 s
  • During ECM keep alive time after ignition off < 500 s
  • Engine speed, idle
 35 - 70 s
  • 2 DCY
P0137 O2 Sensor Circuit Low Voltage Bank 1 Sensor 2 -- Check the Oxygen Sensor After Three Way Catalytic Converter -G130-. Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER, CHECKING . Cold condition
  • Signal voltage, < 0.06 V
  • Time > 3 s
  • Difference of sensor voltage with load pulse vs. no load pulse < 0.01 V
 case 1: sensor ready for operation
  • sensor voltage <= 0.40 [V]
OR
  • sensor voltage 0.50 - 1.08 [V]
case 2: sensor theoretical ready for operation
  • for time > 15.0 [s]
  • sensor sufficient heated up if exhaust temperature >= 650 [°C]
  • for time > 10.0 [s]
OR
  • heater power >= 25.00 [%]
  • for time > 10.0 [s]
General:
  • engine running dew point exceeded fuel cut off not active
  • catalyst purge not active
 3 s
  • multiple
  • 2 DCY
P0138  O2 Sensor Circuit High Voltage Bank 1 Sensor 2 -- Check the Oxygen Sensor After Three Way Catalytic Converter -G130-. Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER, CHECKING .
  • Signal voltage > 1.08 V for > 5 s
 case 1: sensor ready for operation
  • sensor voltage <= 0.40 [V]
OR
  • sensor voltage 0.50 - 1.08 [V]
case 2: sensor theoretical ready for operation
  • for time > 15.0 [s]
  • sensor sufficient heated up if exhaust temperature >= 650 [°C]
  • for time > 10.0 [s]
OR
  • heater power >= 25.00 [%]
  • for time > 10.0 [s]
General:
  • engine running dew point exceeded lambda set value > 0.995 [-]
 5 s
  • 2 DCY
P013A  O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 -- Check the Oxygen Sensor After Three Way Catalytic Converter -G130-. Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER, CHECKING .
  • EWMA filtered max differential transient time at fuel cutoff >= 0.5 s
  • Number of checks >= 3
  • Time of fuel cutoff <= 90 s and > 5 s since last cutoff
  • HO2S rear ready
  • Exhaust temperature at sensor >= 350° C
  • Exhaust mass flow >= 12 kg/h
  • deviation between expected and measured front O2-sensor lambda signal < 8.00 [-]
  • after time since fuel cut off at first cylinder >= 2.5 [s]
  • exhaust mass flow >= 12.00 [kg/h]
  • exhaust mass flow dynamic within range -80.00 - 80.00 [kg/h]
  • sensor voltage at start of measurement > 0.56 [V]
  • target sensor voltage end of measurement <= 0.15 [V]
  • engine speed 1120 - 4000 [RPM]
 10 s
  • Multiple
  • 1 DCY
P0140 O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2 -- Check the Oxygen Sensor After Three Way Catalytic Converter -G130-. Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER, CHECKING . Signal voltage
  • Signal voltage 0.40 - 0.60 V for > 3 s and difference of sensor voltage with load pulse and voltage without load pulse (mean value of 3 measurements) >= 2.80 [V]
OR
  • internal resistance > 40000.00 [Ω] and exhaust temperature > 600 [°C]
 ase 1: sensor ready for operation
  • sensor voltage <= 0.40 [V]
OR
  • sensor voltage 0.50 - 1.08 [V]
case 2: sensor theoretical ready for operation
  • for time > 15.0 [s]
  • sensor sufficient heated up if exhaust temperature >= 650 [°C]
  • for time > 10.0 [s]
OR
  • heater power >= 25.00 [%]
  • for time > 10.0 [s]
General:
  • engine running dew point exceeded valid Ri-measurements > 10 times
 25 s
  • 2 DCY
P0141  O2 Sensor Heater Circuit Bank 1 Sensor 2 -- Check the Heater For Oxygen Sensor 1 After Catalytic Converter -Z29-. Refer to HEATED OXYGEN SENSOR HEATER AFTER THREE WAY CATALYTIC CONVERTER, CHECKING .
  • Heater resistance > 1200 - 32400 Ω
  • Modeled exhaust gas temp, 300 - 680 °C
  • engine shut-off-time > 120.0 [s] (during ECM keep alive-time after ignition off) < 500.0 [s]
  • No. of checks = 10
  • Fuel cutoff not active
  • Heater commanded on
 6 s
  • 2 DCY
P0169 Incorrect Fuel Composition -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING  Check for contaminated / aged fuel or possible high concentration of alcohol in fuel (above 15%).
  • fuel quantity incorrect
  • Comparison with fuel quantity incorrect
  • Correction factor incorrect
  • Difference between predicted and real air mass > 3.80%
  • Engine speed > 1200 RPM
 0.5 s
  • continuous
  • 2 DCY
P0201 Injector Circuit Open Cylinder 1 -- Check the Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .
  • Signal voltage 4.5 to 5.5 V
  • Internal logic failure
  • Engine speed, > 80 RPM
  • Injection valve switched off
 0.5 s
  • 2 DCY
P0202 Injector Circuit Open Cylinder 2 -- Check the Fuel Injector -N31-. Refer to FUEL INJECTORS, CHECKING .
  • Signal voltage 4.5 to 5.5 V
  • Internal logic failure
  • Engine speed, > 80 RPM
  • Injection valve switched off
 0.5 s
  • 2 DCY
P0203 Injector Circuit Open Cylinder 3 -- Check the Fuel Injector -N32-. Refer to FUEL INJECTORS, CHECKING .
  • Signal voltage 4.5 to 5.5 V
  • Internal logic failure
  • Engine speed, > 80 RPM
  • Injection valve switched off
 0.5 s
  • 2 DCY
P0204 Injector Circuit Open Cylinder 4 -- Check the Fuel Injector. Refer to FUEL INJECTORS, CHECKING .
  • Signal voltage 4.5 to 5.5 V
  • Internal logic failure
  • Engine speed, > 80 RPM
  • Injection valve switched off
 0.5 s
  • 2 DCY
P0221 Throttle/Pedal Position Sensor/Switch "B" 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%
  • Actual TPS 2 calculated value > TPS 1 calculated value
  • TPS 2 - calc. value > 9.00%
  • Engine speed > 480 RPM
 0.3 s
  • multiple
  • 2 DCY
P0222 Throttle/Pedal Position Sensor/Switch "B" Circuit Low -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • Signal voltage < 0.20 V
 --- 0.1 s
  • multiple
  • 2 DCY
P0223 Throttle/Pedal Position Sensor/Switch "B" Circuit High -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
  • Signal voltage > 4.81 V
 --- 0.1 s
  • multiple
  • 2 DCY
P0261 Cylinder 1 Injector Circuit Low -- Check the Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .
  • Signal voltage < 3.0 V
  • Injection valve Commanded off
  • Engine speed > 80 RPM
 0.5 s
  • 2 DCY
Actual TPS 2 calculated value > TPS 1 calculated value
P0262 Cylinder 1 Injector Circuit High -- Check the Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .
  • Signal current > 2.20 to 4.0 A
  • Injection valve Commanded on
  • Engine speed > 80 RPM
 0.5 s
  • 2 DCY
P0264 Cylinder 2 Injector Circuit Low -- Check the Fuel Injector -N31-. Refer to FUEL INJECTORS, CHECKING .
  • Signal voltage < 3.0 V
  • Injection valve Commanded off
  • Engine speed > 80 RPM
 0.5 s
  • 2 DCY
Actual TPS 2 calculated value > TPS 1 calculated value
P0265 Cylinder 2 Injector Circuit High -- Check the Fuel Injector -N31-. Refer to FUEL INJECTORS, CHECKING .
  • Signal current > 2.20 to 4.0 A
  • Injection valve Commanded on
  • Engine speed > 80 RPM
 0.5 s
  • 2 DCY
P0267 Cylinder 3 Injector Circuit Low -- Check the Fuel Injector -N32-. Refer to FUEL INJECTORS, CHECKING .
  • Signal voltage < 3.0 V
  • Injection valve Commanded off
  • Engine speed > 80 RPM
 0.5 s
  • 2 DCY
Actual TPS 2 calculated value > TPS 1 calculated value
P0268 Cylinder 3 Injector Circuit High -- Check the Fuel Injector -N32-. Refer to FUEL INJECTORS, CHECKING .
  • Signal current > 2.20 to 4.0 A
  • Injection valve Commanded on
  • Engine speed > 80 RPM
 0.5 s
  • 2 DCY
P0270 Cylinder 4 Injector Circuit Low -- Check the Fuel Injector -N33-. Refer to FUEL INJECTORS, CHECKING .
  • Signal voltage < 3.0 V
  • Injection valve Commanded off
  • Engine speed > 80 RPM
 0.5 s
  • 2 DCY
Actual TPS 2 calculated value > TPS 1 calculated value
P0271 Cylinder 4 Injector Circuit High -- Check the Fuel Injector -N33-. Refer to FUEL INJECTORS, CHECKING .
  • Signal current > 2.20 to 4.0 A
  • Injection valve Commanded on
  • Engine speed > 80 RPM
 0.5 s
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P0300 Random/Multiple Cylinder Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check the Fuel Pressure. Refer to FUEL PRESSURE TEST -- Check Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coil with Power Output Stage -N152-. Refer to IGNITION COIL, CHECKING .
  • Emission threshold Misfire Rate (MR), > 1.9%
 Case 1:
  • ECT @ start ≥ -48° C
  • Engine speed 600 - 6300 RPM
Case 2:
  • then Activation if ECT = > -48° C
General:
  • Active after engine start idle - 150 [RPM] + 1 camshaft [rev]
  • Not in fuel cutoff mode
  • Rough road not detected
  • 1000 Rev.
  • 2 DCY
P0301  Cylinder 1 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coil with Power Output Stage -N152-. Refer to IGNITION COIL, CHECKING .
  • Catalyst damage misfire rate (MR), > 1.6% - 24%
 ase 1:
  • ECT @ start ≥ -48° C
  • Engine speed 600 - 6300 RPM
Case 2:
  • then Activation if ECT = > -48° C
General:
  • Active after engine start idle - 150 [RPM] + 1 camshaft [rev]
  • Not in fuel cutoff mode
  • Rough road not detected
  • 200 Rev.
  • Immediate
P0302  Cylinder 2 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coil with Power Output Stage -N152-. Refer to IGNITION COIL, CHECKING .
  • Catalyst damage misfire rate (MR), > 1.6% - 24%
 ase 1:
  • ECT @ start ≥ -48° C
  • Engine speed 600 - 6300 RPM
Case 2:
  • then Activation if ECT = > -48° C
General:
  • Active after engine start idle - 150 [RPM] + 1 camshaft [rev]
  • Not in fuel cutoff mode
  • Rough road not detected
  • 200 Rev.
  • Immediate
P0303  Cylinder 3 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coil with Power Output Stage -N152-. Refer to IGNITION COIL, CHECKING .
  • Catalyst damage misfire rate (MR), > 1.6% - 24%
 ase 1:
  • ECT @ start ≥ -48° C
  • Engine speed 600 - 6300 RPM
Case 2:
  • then Activation if ECT = > -48° C
General:
  • Active after engine start idle - 150 [RPM] + 1 camshaft [rev]
  • Not in fuel cutoff mode
  • Rough road not detected
  • 200 Rev.
  • Immediate
P0304  Cylinder 4 Misfire Detected -- Check the Spark plugs.-- Check the intake system for leaks.-- Check Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coil with Power Output Stage -N152-. Refer to IGNITION COIL, CHECKING .
  • Catalyst damage misfire rate (MR), > 1.6% - 24%
  • Active after engine start
  • Engine speed 600 - 6300 RPM
  • IAT > -48 °C
  • ECT @ start > -48 °C
  • Not in fuel cutoff mode
  • Rough road not detected
  • No internal CAN fault
  • 200 Rev.
  • Immediate
P0321 Engine Speed Input Circuit Range/Performance -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Comparison of counted teeth vs reference = incorrect
  • monitoring reference gap failure
 --- 1.5 s
  • multiple
  • 2 DCY
P0322 Engine Speed Input Circuit No Signal -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Camshaft signal > 5 [-]
  • Engine speed, no signal
 --- 2.5 s
  • multiple
  • 2 DCY
P0324 Knock Control System Error -- Check the Knock Sensor -G61-. Refer to KNOCK SENSOR, CHECKING .
  • Signal fault counter (combustion) > 28.00 [-]
or
  • Signal fault counter (measuring window) > 2.00 [-]
  • Engine speed > 2500 RPM
 0.5 s
  • multiple
  • 2 DCY
P0327 Knock Sensor Circuit Low -- Check the Knock Sensor -G61-. Refer to KNOCK SENSOR, CHECKING . Short to Ground:
  • Lower threshold < -0.70 V
 Short to Ground:
  • Engine speed, > 1000 RPM
 0.5 s
  • continuous
  • 2 DCY
Signal range check:
  • Lower threshold < 1.05 to 5.49 V
 Signal range check:
  • Engine speed > 2400 RPM
  • ECT > 40° C
  • Engine load > 30 - 35.3%
 4 s
  • multiple
  • 2 DCY
P0328 Knock Sensor Circuit High Input -- Check the Knock Sensor -G61-. Refer to KNOCK SENSOR, CHECKING . Short to Battery Voltage:
  • upper threshold > 1.00 [V]
  • Engine speed, > 1000 RPM
 0.5 s
  • continuous
  • 2 DCY
Signal Range Check:
  • Upper threshold > 33.00 - 90.00 V
  • Engine speed, > 2400 RPM
  • ECT > 40 °C
  • Engine load > 30 to 35.30%
 4 s
  • 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 s
  • 2 DCY
P0342 Camshaft Position Sensor Circuit Low Input -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
  • Signal voltage permanently low
  • Crankshaft signals = 8 [-]
 --- 0.5 s
  • 2 DCY
P0343 Camshaft Position Sensor Circuit High Input -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
  • Signal voltage permanently high
  • Crankshaft signals = 8 [-]
 --- 0.5 s
  • 2 DCY
P0351 Ignition Coil Primary/Secondary Circuit -- Check the Ignition Coil with Power Output Stage -N152-. Refer to IGNITION COIL, CHECKING .
  • Signal current 0.25 to -2.0 mA
  • Internal check failed
  • Engine speed > 680 RPM
 2 s
  • 2 DCY
P0353 Ignition Coil Primary/Secondary Circuit -- Check the Ignition Coil with Power Output Stage -N152-. Refer to IGNITION COIL, CHECKING .
  • Signal current 0.25 to -2.0 mA
  • Internal check failed
  • Engine speed > 680 RPM
 2 s
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P0420  Catalyst System Efficiency Below Threshold Check the Long Term Fuel Trim for out of range reading. If Fuel Trim is out of range, correct any related codes (misfire, fuel trim faults, MAP, BARO, HO2 or ECT) before replacement of catalyst, or damage to the replacement catalyst will occur.-- Check the Three Way Catalytic Converter (TWC). Refer to THREE WAY CATALYTIC CONVERTER, TWC CHECKING .-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER, CHECKING .
  • Oxygen storage capacity (OSC) vs OSC of borderline catalyst < 1.00
 Front:
  • Time after engine start > 0 s
  • Delta exhaust mass flow < 15 kg/h
  • Exhaust gas mass flow, lower range 20.0 - 120.0 kg/h
  • Exhaust gas mass flow upper range 60.0 - 160.0 kg/h
  • Modeled exhaust gas temp, lower range 620 - 850 °C
  • Modeled exhaust gas temp, upper range 640 - 780 °C
  • Engine speed 1200 - 4200 RPM
  • Number of checks, 4
  • O2S front/rear, ready/no faults
  • SAS, not active
  • No misfire
Main:
  • Time after engine start > 80 s
  • Delta exhaust mass flow < 30 kg/h
  • Exhaust gas mass flow, lower range 25.0 - 80.0 kg/h
  • Exhaust gas mass flow upper range 60.0 - 160.0 kg/h
  • Modeled exhaust gas temp, lower range 435 - 660 °C
  • Modeled exhaust gas temp, upper range 530 - 740 °C
  • Engine speed 1200 - 4200 RPM
  • Number of checks, 4
  • O2S front/rear, ready/no faults
  • SAS, not active
  • No misfire
 30 s
  • Once/DCY
  • 2 DCY
P043E EVAP System Leak Detection Reference Orifice Low Flow -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .-- 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 EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING .
  • during engine off: evap pump current during reference measurement > 40.0 [mA]
 During Engine Off:
  • ECT at start < 4° C and > 60 °C running
  • AAT < 35 °C and > 4 °C
  • Altitude ≤ 2700 m
  • Time since engine start ≥ 600 s
  • change in battery voltage during monitoring < 1.00 [V]
  • engine off time >= 5.0 [s]
  • Integrated purge flow since last purge stop > 2 g
  • Integrated purge flow since last monitoring run > 0 g
  • Intake manifold vacuum > 100 hPa
  • Vehicle speed 0 to 120 km/h
  • Fuel volume flow <= 5 ml/Sec.
  • Engine speed > 30 RPM and not idle.
  • Front O2S ready
During Engine On:
  • ECT > 60 [°C]
  • ECT @ start < 60 [°C]
  • AAT < 35; > 4 [°C]
  • altitude <= 2700 [m]
  • time since engine start >= 600.0 [s]
  • integrated evap purge flow since last purge stop > 2.0 [g]
  • integrated evap purge flow since last monitoring run > 0.0 [g]
  • intake manifold vacuum > 10.00 [kPa]
  • vehicle speed < 75 [mph]; >= 0 [mph]
  • delta vehicle speed <= 20 [mph]
  • fuel volume flow <= 5.00 [ml/s]
change in battery voltage during monitoring < 1.50 [V] at least one leak detection monitor during engine off preceding engine not idle engine speed > 30 no fuel cut off no gear shift no engine stop O2S front ready P043F out of range low evap pump current during reference measurement [RPM]		 10 s
  • 2 DCY
  • during engine on: evap pump current during reference measurement > 40.0 [mA]
 3 s
P043F EVAP System Leak Detection Reference Orifice High Flow -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .-- 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 EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING .
  • during engine off: evap pump current during reference measurement > 40.0 [mA]
 During Engine Off:
  • ECT at start < 4° C and > 60 °C running
  • AAT < 35 °C and > 4 °C
  • Altitude ≤ 2700 m
  • Time since engine start ≥ 600 s
  • change in battery voltage during monitoring < 1.00 [V]
  • engine off time >= 5.0 [s]
  • Integrated purge flow since last purge stop > 2 g
  • Integrated purge flow since last monitoring run > 0 g
  • Intake manifold vacuum > 100 hPa
  • Vehicle speed 0 to 120 km/h
  • Fuel volume flow <= 5 ml/Sec.
  • Engine speed > 30 RPM and not idle.
  • Front O2S ready
During Engine On:
  • ECT > 60 [°C]
  • ECT @ start < 60 [°C]
  • AAT < 35; > 4 [°C]
  • altitude <= 2700 [m]
  • time since engine start >= 600.0 [s]
  • integrated evap purge flow since last purge stop > 2.0 [g]
  • integrated evap purge flow since last monitoring run > 0.0 [g]
  • intake manifold vacuum > 10.00 [kPa]
  • vehicle speed < 75 [mph]; >= 0 [mph]
  • delta vehicle speed <= 20 [mph]
  • fuel volume flow <= 5.00 [ml/s]
change in battery voltage during monitoring < 1.50 [V] at least one leak detection monitor during engine off preceding engine not idle engine speed > 30 no fuel cut off no gear shift no engine stop O2S front ready P043F out of range low evap pump current during reference measurement [RPM]		 10 s
  • Once/DCY
  • 2 DCY
  • during engine on: evap pump current during reference measurement > 40.0 [mA]
 3.0 s
P0441  Evaporative Emission System Incorrect Purge Flow Inspect the EVAP system hoses for kinking or damage. If EVAP hoses are OK:-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING .-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • drop of EVAP pump current < 1 mA within time 12.0 s
  • ECT > 60 [°C]
  • ECT @ start < 60 [°C]
  • AAT < 35; > 4 [°C]
  • altitude <= 2700 [m]
  • time since engine start >= 600.0 [s]
  • integrated evap purge flow since last purge stop > 2.0 [g]
  • integrated evap purge flow since last monitoring run > 0.0 [g]
  • intake manifold vacuum > 10.00 [kPa]
  • vehicle speed < 75; >= 0 [mph]
  • delta vehicle speed <= 25 [mph]
  • fuel volume flow <= 5.00 [ml/s]
  • at least one leak detection monitor during engine off preceding engine not idle engine speed > 30 [RPM]
  • no fuel cut off
  • no gear shift
  • no engine stop
  • O2S front ready
  • evap purge valve commanded off
 33.5 s
  • Once/ DCY
  • 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 EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING .-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • Modeled pressure from pump current < 9 hPa
  • Time after engine start > 600 s
  • Difference between ECT and IAT <= 15 K
  • ECT at start > 4 °C
  • Engine off time > 5 s
  • AAT > 4 °C and < 35 °C
  • ECM keep alive time after key off < 900 s
  • Altitude < 2700 m
  • Veh. speed >= 0
  • Veh speed once > 40 km/h
  • Any drive gear
  • Restart temp diff. > 0 °K
  • Purge valve closed
  • Airbag not activated
 400 s once/DCY
  • 2 DCY
P0444 Evaporative Emission System Purge Control Valve Circuit Open -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING .
  • Signal voltage > 4.70 - 5.40 V
  • EVAP purge valve Commanded Off
  • Engine speed > 80 RPM
 0.5 s
  • 2 DCY
P0447 Evaporative Emission System Vent Control Circuit Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • Signal voltage > 4.7 to 5.4 V
 EVAP pump solenoid commanded off. 0.5 s
  • 2 DCY
P0448 Evaporative Emission System Vent Control Circuit Shorted -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • Signal voltage < 2.74 - 3.26 V
OR
  • signal current > 2.2 to 4.0 A
  • EVAP pump solenoid commanded on for current check or commanded off for voltage check.
 0.5 s
  • 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 EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING .-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • EVAP system leakage area calculated from pump current curve > 0.17 mm squared.
  • Time after engine start > 600 s
  • Difference between ECT and IAT <= 15 K
  • ECT at start > 4 °C
  • Engine off time > 5 s
  • AAT > 4 °C and < 35 °C
  • ECM keep alive time after key off < 900 s
  • Intake manifold vac. > -2560 hPa
  • Altitude < 2700 m
  • Veh. speed >= 0
  • Veh speed once > 40 km/h
  • Any drive gear
  • Restart temp diff. > 0 °K
  • Purge valve closed
  • Airbag not activated
 800 s
  • Once/ DCY
  • 2 DCY
P0458 Evaporative Emission System Purge Control Valve Circuit Low -- Check the Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING .
  • Signal voltage 0.00 - 3.26 V
  • EVAP purge valve, Commanded off
  • Engine speed > 80 RPM
 0.5 s
  • 2 DCY
P0459 Evaporative Emission System Purge Control Valve Circuit High -- Check the Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING .
  • Signal current > 2.2 A
  • EVAP purge valve, Commanded On
  • Engine speed > 80 RPM
 0.5 s
  • 2 DCY
P0496  Evaporative Emission System High Purge Flow Inspect the EVAP system hoses for kinking or damage. If EVAP hoses are OK:-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING .-- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • actual evap pump current difference between reference measurement to idle divided by pump current difference from the last leak detection phase during engine off > 1.70 [-]
  • ECT > 60 [°C]
  • ECT @ start < 60 [°C]
  • AAT < 35; > 4 [°C]
  • altitude <= 2700 [m]
  • time since engine start >= 600.0 [s]
  • integrated evap purge flow since last purge stop > 2.0 [g]
  • integrated evap purge flow since last monitoring run > 0.0 [g]
  • intake manifold vacuum > 10.00 [kPa]
  • vehicle speed < 75; >= 0 [mph]
  • delta vehicle speed <= 25 [mph]
  • fuel volume flow <= 5.00 [ml/s]
  • at least one leak detection monitor during engine off preceding engine not idle engine speed > 30 [RPM]
  • no fuel cut off
  • no gear shift
  • no engine stop
  • O2S front ready
  • evap purge valve commanded off
 4.5 s
  • Once/ DCY
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P050A Cold Start Idle Air Control System Performance Check for carbon buildup from reversion behind the throttle plate. If buildup is present, clean throttle body with suitable cleaner. If no deposits are present in the throttle body: -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . Out of range low:
  • Engine speed deviation > 200 RPM
  • RPM controller torque value >= calculated min. value
Out of range high:
  • Engine speed deviation < -100 RPM
  • RPM controller torque value <= calculated min. value
  • Time after engine start > 0 s
  • Engine speed - idle
  • Engine load < 34.50%
  • Veh speed 0 km/h
  • Altitude < 2700 m
  • ECT at start < -10 to 42 °C
  • IAT > -48.0 °C
  • Catalyst heating active
 5 s
  • 2 DCY
P050B Cold Start Ignition Timing Performance If an Engine Speed sensor code is also set, diagnose that DTC first. -- Check the Ignition Coil with Power Output Stage -N152-. Refer to IGNITION COIL, CHECKING .
  • Difference between commanded and actual spark timing > 20%
  • Time during catalyst heating > 10 s
  • Commanded spark retard during catalyst heating < 80%
  • Idle speed active
  • Delta engine <= 3%
  • Delta engine speed <= 750 RPM
  • Engine load <= 100.01%
 8 s
  • 2 DCY
P0501 Vehicle Speed Sensor Range / Performance -- Check vehicle speed signal. Refer to SPEED SIGNAL, CHECKING .
  • VSS signal < 4 mph
  • ECT > 40 °C
  • Engine speed 1520 to 4520 RPM
  • Fuel cutoff active
 1980 ms
  • 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 .
  • Idle speed Deviation > 100 RPM and RPM controller torque value >= calculated max. value
  • Vehicle speed 0 MPH
  • Altitude < 2700 m
  • IAT, > -48 °C
  • ECT, > -48 °C
  • Time after engine start > 0 s
  • External torque request not demanded
  • Engine speed = idle
  • Engine load 34.50%
 7 s
  • 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 .
  • Idle speed Deviation < -100 RPM and RPM controller torque value <= calculated min. value
  • Vehicle speed 0 MPH
  • Altitude < 2700 m
  • IAT > -48 °C
  • ECT > -48 °C
  • Time after engine start > 0 s
  • External torque request not demanded
  • Engine speed = idle
 7 s
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P0606 ECM Processor Fault -- Replace the Engine Control Module (ECM) -J623-.
  • ECM internal check failure, signal voltage driver out of range or plausibility check failed
 Key on or engine running
  • 2 s
  • 2 DCY
  • Continuous
P0627 Fuel Pump Control Circuit Open -- Check the Fuel Pump power supply. Refer to FUEL PUMP RELAY AND TRANSFER PUMP ELECTRICAL, CHECKING . Open circuit
  • Signal voltage 4.50 to 5.50 V
Short to ground
  • Signal voltage < 3.0 V
  • Pump relay commanded off.
  • Engine speed > 80 RPM
 0.5 s
  • 2 DCY
P0629 Fuel Pump Control Circuit High -- Check the Fuel Pump power supply. Refer to FUEL PUMP RELAY AND TRANSFER PUMP ELECTRICAL, CHECKING .
  • Signal current 0.60 to 1.20 A
  • Pump relay commanded on.
  • Engine speed > 80 RPM
 0.5 s
  • 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 s
  • reference point 2.88%
OR
  • TPS 1 signal voltage is NOT 0.40 to 0.80 V
  • TPS 2 signal voltage is NOT 4.20 to 4.60 V
  • TPS 1 and TPS 2 signal voltage is NOT 4.82 to 5.18 V
  • Ignition on
  • Engine speed 0 RPM
  • IAT > -20 °C
  • Vehicle speed 0 km/h
  • ECT > -20 °C
  • Engine shut off time 4 s
 0.3 to 5 s
  • 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 Engine Control Module (ECM) -J623-.
  • Signal voltage deviation > +/- 0.3 V
 --- 0.5 s
  • 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 Engine Control Module (ECM) -J623-.
  • Signal voltage deviation > +/- 0.3 V
 --- 0.5 s
  • 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 Engine Control Module (ECM) -J623-.
  • Signal voltage deviation > +/- 0.3 V
 --- 0.5 s
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P150A Engine Off Timer Performance Check for related TSB's. If none apply; check the power and ground inputs to the ECM BEFORE replacing ECM. Lack of ignition off power supply will cause the timer to stop. Refer to the Wiring Diagrams for power and ground locations to the ECM. If ECM power and grounds are present;-- Replace the Engine Control Module (ECM) -J623-.
  • Difference between engine off time and ECM after run time < -12 s or > 12 s
  • Key on after ECM after run time active
  • Key on during ECM after run time active
  • CAN active
 2 s
  • once / DCY
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P2096 Post Catalyst Fuel Trim System Too Lean Bank 1 Check for air leaks in the exhaust system between the front O2S and the catalytic converter. If the exhaust system is sealed:-- Check Heated Oxygen Sensor (HO2S) -G130- behind Three Way Catalytic Converter (TWC). Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER, CHECKING 
  • Deviation lambda control < -0.03 [-]
  • Modeled exhaust gas temp 400 to 1000 °C
  • Exhaust gas mass flow 20 to 180 kg/h
  • Lambda control in closed loop, not at min or max limit
  • O2S front ready, no DTC
  • O2S rear ready, no DTC
  • O2 heaters active
  • Not in fuel cutoff, SAI off
  • Catalyst heating not active
 40 s
  • 2 DCY
P2097 Post Catalyst Fuel Trim System Too Rich Bank 1 If P0420 is also set, refer to that diagnostic first. -- Check Heated Oxygen Sensor (HO2S) -G130- behind Three Way Catalytic Converter (TWC). Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER, CHECKING 
  • Integral part of lambda control > 0.03 [-]
  • Modeled exhaust gas temp 400 to 1000 °C
  • Exhaust gas mass flow 20 to 180 kg/h
  • Lambda control in closed loop, not at min or max limit
  • O2S front ready, no DTC
  • O2S rear ready, no DTC
  • O2 heaters active
  • Not in fuel cutoff, SAI off
  • Catalyst heating not active
 40 s
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P2101 Throttle Actuator "A" 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 - 50%
  • ECM power stage no failure
 --- 0.5 to 5 s
  • 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 failed
  • Duty cycle > 80% or deviation throttle value angles vs. calculated value > 4 - 50%
 0.5 to 5 s
  • 2 DCY
P2122 Throttle/Pedal Position Sensor/Switch "D" Circuit Low -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR / ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage < 0.61 V
 --- 0.5 s
  • 2 DCY
P2123 Throttle/Pedal Position Sensor/Switch "D" Circuit High -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR / ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage > 4.79 V
 --- 0.5 s
  • 2 DCY
P2127 Throttle/Pedal Position Sensor/Switch "E" Circuit Low -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR / ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage < 0.27 V
 --- 0.5 s
  • 2 DCY
P2128 Throttle/Pedal Position Sensor/Switch "E" Circuit Height -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR / ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage > 2.43 V
 --- 0.5 s
  • 2 DCY
P2138 Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to ACCELERATOR PEDAL POSITION SENSOR / ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage sensor 1 vs. sensor 2 is > 0.17 - 0.70 V
  • Signal voltage sensor 1 > 445.0 mv
  • Signal voltage sensor 2 > 445.0 mv
 0.24 s
  • 2 DCY
P2177 System too lean off idle, Bank 1 -- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST -- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING .-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING .
  • Adaptive value > 28%
  • Number of injections after engine start > 1500 [-]
  • Engine speed < 4640 RPM
  • MAF 45 to 300 kg/h
  • ECT > 59 °C
  • IAT < 85 °C
  • Engine load 30 to 100%
  • O2 ready, in closed loop
  • EVAP purge off.
 8 s
  • 2 DCY
P2178 System too rich off idle, Bank 1 -- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST -- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING .-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING .
  • Adaptive value < -20%
  • Engine speed < 1320 to 4600 RPM
  • Number of injections after engine start > 1500
  • MAF 45 to 300 kg/h
  • ECT > 59 °C
  • IAT < 85 °C
  • Engine load 25 to 100%
  • O2 ready, in closed loop
  • EVAP purge off.
 25 s
  • 2 DCY
P2181 Cooling System Performance -- Check Engine Coolant Temperature (ECT) Sensor --. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2 CHECKING -- Check the Coolant Pump -V50- -- Check the Coolant Thermostat.
  • Cooling system temperature too low after a sufficient mass air flow integral 65 to 75 °C
  • Begin of air mass integration when engine temp > 30 °C
  • ECT at start, - 10 - 80 °C
  • Ambient air temp -6 °C
  • Fuel cutoff not active and engine load 14 - 95%
  • Delta ambient pressure < 1.5 kPa
  • Integrated air mass depending on engine temp at start and ambient air temperature 4 - 19 kg/h
At time of fault decision
  • Average mass air flow 35 - 280 kg/h
  • Average veh. speed 30 - 120 km/h
 200 s
  • 2 DCY
P2184 Engine Coolant Temperature Sensor 2 Circuit Low -- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2 CHECKING .
  • ECT @ Radiator Outlet > 140° C
 --- 2 s
  • continuous
  • 2 DCY
P2185 Engine Coolant Temperature Sensor 2 Circuit High -- Check the Engine Coolant Temperature (ECT) Sensor --. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2 CHECKING .
  • ECT @ Radiator Outlet < -40° C
 --- 2 s
  • continuous
  • 2 DCY
P2187 System too lean at idle Bank 1 -- Check the intake system for vacuum leaks.-- Check the vacuum lines for leaks-- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST -- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING .-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING .
  • Adaptive value > 5.02%
  • Engine speed < 860 RPM
  • Number of injections after engine start > 1500
  • MAF < 35 kg/h
  • ECT > 59 °C
  • IAT < 85 °C
  • Delta part load adaptation ready
  • O2 ready, in closed loop
  • EVAP purge off.
 12 s
  • continuous
  • 2 DCY
P2188 System too rich at idle Bank 1 -- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST -- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING .-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING .
  • Adaptive value < -5.02%
  • Engine speed < 860 RPM
  • Number of injections after engine start > 1500
  • MAF < 35 kg/h
  • ECT > 59 °C
  • IAT < 85 °C
  • Delta part load adaptation ready
  • O2 ready, in closed loop
  • EVAP purge off.
 12 s
  • continuous
  • 2 DCY
P2195  O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING 
  • Delta lambda of 2nd lambda control loop > 0.07
  • Modeled exhaust gas temp 400 - 1000 °C
  • 1st and 2nd lambda control closed loop.
  • Fuel cutoff not active.
  • Catalyst heating not active.
  • Exh. gas mass flow 20 - 180 kg/h
 80 s
  • 2 DCY
P2196  O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING 
  • Delta lambda of 2nd lambda control loop < -0.07
  • Modeled exhaust gas temp 400 - 1000 °C
  • 1st and 2nd lambda control closed loop.
  • Fuel cutoff not active.
  • Catalyst heating not active.
  • Exh. gas mass flow 20 - 180 kg/h
 80 s
  • 2 DCY
P2237 O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING 
  • O2S signal front 1.49 - 1.51 V
  • Delta lambda controller > 0.10
  • O2S ceramic temp, 720 °C
  • Lambda control closed loop
  • Heater control active
  • Lambda modulation > 0.02
 6.5 s
  • 2 DCY
P2243 O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING 
  • O2S signal front < 0.20 V and Internal resistance > 950 Ohm
  • O2S signal front > 4.70 V and Internal resistance > 950 Ohm
  • Heater control active
 20 s
  • 2 DCY
P2251 O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING 
  • O2S signal front 1.47 to 1.53 V
  • Internal resistance > 950 Ohm
  • Modeled exhaust gas temp < 750 °C
  • No fuel cutoff > 2 s
  • Heater control active
 25 s
  • 2 DCY
P2270  O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2 -- Check the Heated Oxygen Sensor (HO2S) -G130-. Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER, CHECKING 
  • O2S signal rear not oscillating at reference < 0.62 to 0.63 V
  • Enrichment after stuck lean 20%
  • Mass air flow > 22 to 120 kg/h
  • Modeled exhaust gas temp > 300 °C
  • O2 rear ready > 10 s and closed loop
 215 s
  • 2 DCY
P2271  O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2 -- Check the Heated Oxygen Sensor (HO2S) -G130-. Refer to OXYGEN SENSOR AFTER THREE WAY CATALYTIC CONVERTER, CHECKING 
  • O2S signal rear not oscillating at reference > 0.62 to 0.63 V
  • Enrichment after stuck lean 20%
OR Fuel Cutoff
  • Sensor voltage >= 0.15 V
  • Mass flow after fuel cutoff > 2000 to 3500 mg
  • 1 or more checks
  • Mass air flow > 22 to 120 kg/h
  • Modeled exhaust gas temp > 300 °C
  • O2 rear ready > 10 s and closed loop
OR Fuel Cutoff
  • Time of fuel cutoff <= 90 s
  • Time after last fuel cutoff >= 5 s
  • Exhaust temp at sensor >= 430 °C
  • Deviation between expected and measured front O2 lambda signal < 8.0
  • Exhaust mass flow > 12 kg/h
  • Sensor voltage at start of measurement > 0.55 V
 215 s
  • 2 DCY
P2279 Intake Air System Leak Check for air leaks from intake manifold or vacuum ports, oil fill cap not seated or oil dipstick not seated in tube. Also any engine gaskets that can cause additional air to enter the crankcase can set this fault since the PCV system is not metered. If a vacuum leak or crankcase seal is at cause, the idle may be rough or unstable.
  • Offset value throttle mass flow > 13 kg/h
  • Desired mass flow 0 to 25 kg/h
  • EVAP purge closed
  • EGR off
 10 s
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P2300 Ignition Coil A Primary Control Circuit Low -- Check the Ignition Coil -N152-. Refer to IGNITION COIL, CHECKING .
  • Signal current > 24.0 mA
  • Engine speed > 680 RPM
 2 s
  • 2 DCY
P2301 Ignition Coil A Primary Control Circuit High -- Check the Ignition Coil -N152-. Refer to IGNITION COIL, CHECKING .
  • Signal current > 5.1 - 7.0 V
  • Engine speed > 680 RPM
 2 s
  • 2 DCY
P2306 Ignition Coil C Primary Control Circuit Low -- Check the Ignition Coil with Power Output Stage -N291-. Refer to IGNITION COIL, CHECKING .
  • Signal current > 24.0 mA
  • Engine speed > 680 RPM
 2 s
  • 2 DCY
P2307 Ignition Coil C Primary Control Circuit High -- Check the Ignition Coil with Power Output Stage -N291-. Refer to IGNITION COIL, CHECKING .
  • Signal voltage > 5.1 - 7.0 V
  • Engine speed > 680 RPM
 2 s
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P240A Evaporative Emission System Leak Detection Pump Heater Control Circuit Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • Signal voltage > 4.7 to 5.4 V
  • EVAP pump heater commanded off.
 0.5 s
  • 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 .
  • Signal voltage < 2.74 to 3.26 V
  • EVAP pump heater commanded off.
 0.5 s
  • 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 .
  • Signal current > 2.2 to 4.0 A
  • EVAP pump heater commanded on.
 0.5 s
  • 2 DCY
P2400 Evaporative Emission System Leak Detection Pump Control Circuit Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • Signal voltage > 4.7 - 5.4 V
  • EVAP pump Commanded off
 0.5 s
  • 2 DCY
P2401 Evaporative Emission System Leak Detection Pump Control Circuit Low -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • Signal voltage > 2.74 - 3.26 V
  • EVAP pump Commanded Off
 0.5 s
  • 2 DCY
P2402 Evaporative Emission System Leak Detection Pump Control Circuit High -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • Signal voltage at EVAP pump current measuring resistor > 1.80 - 4.0 V
  • EVAP pump Commanded On
 0.5 s
  • 2 DCY
P2407 Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent/Erratic -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • Fluctuation of EVAP pump current during reference measurement > 1 mA, or a drop of pump current > 6 mA for >= 3 s during pump phase.
  • ECT at start < 60 °C and > 60 °C running
  • AAT < 35 °C and > 4 °C
  • Time since engine start 600 s
  • Integrated purge flow since last purge stop > 2 g
  • Integrated purge flow since last monitoring run > 0 g
  • Intake manifold vacuum > 100 hPa
  • Vehicle speed 0 to 120 km/h
  • Fuel volume flow <= 5 ml/Sec.
  • Engine speed > 30 RPM and not idle.
  • Front O2S ready
  • Altitude <= 2700 m
 21.5 s
  • Once/DCY
  • 2 DCY
P2414 O2 Sensor Exhaust Sample Error Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING . Threshold 1
  • Signal voltage 3.10 - 4.77 V
Threshold 2
  • Signal voltage 2.5 - 3.06 V
  • Lambda set value 1.6
  • Fuel cut off, Not active
  • Heater control, closed loop
  • SAI not active
  • O2S ceramic temp > 770 °C
  • If low fuel signal then wait > 0 s
 15 s
  • 2 DCY
P2450 Evaporative Emission System Switching Valve Performance/Stuck Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • EVAP pump current difference between reference measurement to idle < 3 mA
  • ECT at start < 60 °C and > 60 °C running
  • AAT < 35 °C and > 4 °C
  • Time since engine start 600 s
  • Integrated purge flow since last purge stop > 2 g
  • Integrated purge flow since last monitoring run > 0 g
  • Intake manifold vacuum > 100 hPa
  • Vehicle speed 0 to 120 km/h
  • Fuel volume flow <= 5 ml/Sec.
  • Engine speed > 30 RPM and not idle.
  • Front O2S ready
  • Altitude <= 2700 m
 4.5 s
  • Once/DCY
  • 2 DCY
P2626 O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR, CHECKING .
  • O2S signal front > 4.81 V
  • Modeled exhaust temp < 750 °C
  • O2S ceramic temp, 720 °C
  • Fuel cut off, Active
  • Heater control closed loop
  • No low fuel signal
 2 s
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P3081 Engine Temperature Too Low Check for a stuck open thermostat. If thermostat is OK: -- Check the Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2 CHECKING .
  • Difference between ECT and modeled ECT > 10.5 K
 --- 4 s
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
U0001 High Speed CAN Communication Bus -- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
  • Bus Off failure or CAN message = no feedback
  • Time after ignition on 500 ms
 250 ms
  • 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 failure or receiving no messages
  • Time after ignition on 500 ms
 450 ms
  • 2 DCY
U0101 Lost Communication with TCM -- Check the CAN-Bus. Refer to CAN-BUS TERMINAL RESISTANCE, TRANSMISSION CONTROL MODULE TO ENGINE CONTROL MODULE, CHECKING .
  • Time Out failure. No message received by ECM
  • Time after ignition on 500 ms
 500 ms
  • 2 DCY
U0121 * Lost Communication With Anti-Lock Brake System (ABS) Control Module Check to see if any other modules have set a loss of communication with the ABS module fault. If other modules can communicate with ABS and ECM cannot, the ECM may be at fault.
  • No CAN communication with ABS.
  • Time after ignition on 500 ms
 500 ms
  • 2 DCY
U0146 Lost Communication With Gateway -- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
  • CAN communication with gateway no messages received.
  • Time after ignition on 500 ms
 500 ms
  • 2 DCY
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module Check the IPC power and ground inputs. Check the CAN Bus for an open or high resistance at the IPC connector. Refer to the wiring diagram.
  • No IPC CAN messages received
  • Time after ignition on 500 ms
 2000 ms
  • 2 DCY
U0302 Software Incompatibility with Transmission Control Module Check for any applicable TSB's. If none pertain to this fault reflash ECM with correct software for application.
  • MT coded ECM software. ECM received AT messages from TCM
  • Time after ignition on 500 ms
 100 ms
  • 2 DCY
U0402 Invalid Data Received From Transmission Control Module Check the CAN bus. Refer to CAN-BUS TERMINAL RESISTANCE, TRANSMISSION CONTROL MODULE TO ENGINE CONTROL MODULE, CHECKING 
  • Transmission Data Length Code incorrect or implausible messages received.
  • Time after ignition on 500 ms
 60 ms
  • 2 DCY
U0415 CAN Communication With ABS Error  
  • Speed sensor initialization failed
  • Speed sensor low voltage error failed
  • Speed sensor error out of range
  • Implausible messages sent from ABS
  • Time after ignition on 500 ms
 400 to 2100 ms
  • 2 DCY
U0423 Invalid Data Received From Instrument Panel Cluster Control Module Replace the IPC module.
  • Implausible CAN messages received.
  • Implausible ambient temperature value
 Key on and no faults with AAT status from instrument cluster or AAT electrical check. Time after ignition on 500 ms 3000 ms to 3 s
  • 2 DCY
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