Diagnostic Trouble Codes (DTC) Index
DIAGNOSTIC TROUBLE CODES (DTC) INDEX
| SAE Code | VAG Code | Code Description | Corrective action |
|---|---|---|---|
| P000A | - | Intake Camshaft Position Slow Response Bank 1 | -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . |
| P0010 | 16394 | Intake Camshaft Position Actuator Circuit Open Bank 1 | -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . |
| P0011 | 16395 | Intake Camshaft Position Timing - Over-Advanced Bank 1 | -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . |
| P0016 | 16400 | Crankshaft Position - Camshaft Position Correlation | -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING
. -- Check the Engine Speed Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING |
| P025A | - | Fuel Pump Module Control Circuit Open | -- Check the Fuel Pump Control Module -J538-. Refer to FUEL PUMP ELECTRICAL, TESTING . |
| P025C | - | Fuel Pump Module Control Circuit Low | -- Check the Fuel Pump Control Module -J538-. Refer to FUEL PUMP ELECTRICAL, TESTING . |
| P025D | - | Fuel Pump Module Control Circuit High | -- Check the Fuel Pump Control Module -J538-. Refer to FUEL PUMP ELECTRICAL, TESTING . |
| P0030 | 16414 | HO2S Heater Control Circuit Bank 1 Sensor 1 | -- Check the Oxygen Sensor Heater Before Catalytic Converter -G39-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING . |
| P0031 | 16415 | HO2S Heater Control Circuit Low Bank 1 Sensor 1 | -- Check the Oxygen Sensor Heater Before Catalytic Converter -G39-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING . |
| P0032 | 16416 | HO2S Heater Control Circuit High Bank 1 Sensor 1 | -- Check the Oxygen Sensor Heater Before Catalytic Converter -G39-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING . |
| P0036 | 16420 | HO2S Heater Control Circuit Bank 1 Sensor 2 | -- Check the Oxygen Sensor Behind Three Way Catalytic Converter -G130-. Refer to OXYGEN SENSOR HEATER BEHIND CATALYTIC CONVERTER, CHECKING . |
| P0037 | 16421 | HO2S Heater Control Circuit Low Bank 1 Sensor 2 | -- Check the Oxygen Sensor Behind Three Way Catalytic Converter -G130-. Refer to OXYGEN SENSOR HEATER BEHIND CATALYTIC CONVERTER, CHECKING . |
| P0038 | 16422 | HO2S Heater Control Circuit High Bank 1 Sensor 2 | -- Check the Oxygen Sensor Behind Three Way Catalytic Converter -G130-. Refer to OXYGEN SENSOR HEATER BEHIND CATALYTIC CONVERTER, CHECKING . |
| P0068 | 16452 | MAP/MAF - Throttle Position Correlation | -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MAF SENSOR, CHECKING . |
| P0070 | - | Ambient Air Temperature Sensor Circuit | -- Check the Ambient Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR, CHECKING |
| P0071 | - | Ambient Air Temperature Sensor Range/Performance | -- Check the Ambient Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR, CHECKING |
| P0072 | - | Ambient Air Temperature Sensor Circuit Low | -- Check the Ambient Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR, CHECKING |
| P0087 | 16471 | Fuel Rail/System Pressure - Too Low | -- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST If the fuel pressure is out of range: -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . If the fuel pressure is Not out of range: -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . |
| P0100 | 16484 | Mass Air Flow Circuit | -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MAF SENSOR, CHECKING . |
| P0101 | 16485 | Mass Air Flow Circuit Range/Performance | -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MAF SENSOR, CHECKING . |
| P0102 | 16486 | Mass Air Flow Circuit Low Input | -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MAF SENSOR, CHECKING . |
| P0103 | 16487 | Mass Air Flow Circuit High Input | -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MAF SENSOR, CHECKING . |
| P0106 | 16490 | Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance | -- Check the Charge Air Pressure Sensor -G31-. Refer to CHARGE AIR 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 scan tool reading is more than 10% of actual Barometric pressure. Refer to the Repair Information for ECM replacement. |
| P0111 | 16495 | Intake Air Temperature Sensor 1 Circuit Range/Performance | -- Check the IAT Sensor -G42-. Refer to IAT SENSOR, CHECKING . |
| P0112 | 16496 | Intake Air Temperature Sensor 1 Circuit Low Input | -- Check the IAT sensor -G42-. Refer to IAT SENSOR, CHECKING . |
| P0113 | 16497 | Intake Air Temperature Sensor 1 Circuit High Input | -- Check the IAT sensor -G42-. Refer to IAT SENSOR, CHECKING . |
| P0116 | 16500 | 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 . |
| P0117 | 16501 | 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 . |
| P0118 | 16502 | 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 . |
| P0121 | 16505 | Accelerator Pedal Position Sensor Circuit Range/Performance | -- 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 . |
| P0122 | 16506 | Accelerator Pedal Position Sensor 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 . |
| P0123 | 16507 | Accelerator Pedal Position Sensor 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 . |
| P0130 | 16514 | O2 Sensor Circuit Bank 1, Sensor 1 | -- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING |
| P0131 | 16515 | O2 Sensor Circuit, Bank 1 - Sensor 1 Low Voltage | -- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING |
| P0132 | 16516 | O2 Sensor Circuit, Bank 1 - Sensor 1 High Voltage | -- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING |
| P0133 | 16517 | O2 Circuit Slow Response Bank 1 Sensor 1 | -- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING |
| P0135 | 16519 | O2 Heater Circuit Bank 1 Sensor 1 | -- Check the Oxygen Sensor Heater Before Catalytic Converter -G39-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING . |
| P0136 | 16520 | O2 Sensor Circuit Bank 1 Sensor 2 | -- Check the Oxygen Sensor Behind Three Way Catalytic Converter -G130-. Refer to HEATED OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING . |
| P0137 | 16521 | O2 Sensor Circuit Low Voltage Bank 1 Sensor 2 | -- Check the Oxygen Sensor Behind Three Way Catalytic Converter -G130-. Refer to HEATED OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING . |
| P0138 | 16522 | O2 Sensor Circuit High Voltage Bank 1 Sensor 2 | -- Check the Oxygen Sensor Behind Three Way Catalytic Converter -G130-. Refer to HEATED OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING . |
| P0139 | 16523 | O2 Sensor Circuit Slow Response Bank 1 Sensor 2 | -- Check the Oxygen Sensor Behind Three Way Catalytic Converter -G130-. Refer to HEATED OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING . |
| P013A | - | O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 | -- Check the Oxygen Sensor Behind Three Way Catalytic Converter -G130-. Refer to HEATED OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING . |
| P0140 | 16524 | O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2 | -- Check the Oxygen Sensor Behind Three Way Catalytic Converter -G130-. Refer to HEATED OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING . |
| P0141 | 16525 | O2 Sensor Heater Circuit Bank 1 Sensor 2 | -- Check the Oxygen Sensor Heater Behind Catalytic Converter -G130-. Refer to OXYGEN SENSOR HEATER BEHIND CATALYTIC CONVERTER, CHECKING . |
| P0169 | 16553 | Incorrect Fuel Composition | Check for contaminated/aged fuel or possible high concentration of alcohol in fuel (above 15%). Replace with fresh fuel. |
| P0171 | 16555 | System Too Lean Bank 1 | -- Check the intake system for leaks (air bypassing the MAF). -- Check the vacuum lines for leaks -- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST If the fuel pressure is out of range: -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . -- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING . -- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING . |
| P0172 | 16556 | System Too Rich Bank 1 | -- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST If the fuel pressure is out of range: -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . If the fuel pressure is Not out of range:-- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING . -- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING . -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING . |
| P0190 | 16574 | Fuel Rail Pressure Sensor Circuit | -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING |
| P0191 | 16575 | Fuel Rail Pressure Sensor Circuit Range/Performance | -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING |
| P0192 | 16576 | Fuel Rail Pressure Sensor Circuit Low Input | -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING |
| P0201 | 16585 | Injector Circuit Open Cylinder 1 | -- Check the Fuel Injectors -N30-. Refer to FUEL INJECTORS, CHECKING . |
| P0202 | 16586 | Injector Circuit Open Cylinder 2 | -- Check the Fuel Injectors -N31-. Refer to FUEL INJECTORS, CHECKING . |
| P0203 | 16587 | Injector Circuit Open Cylinder 3 | -- Check the Fuel Injectors -N32-. Refer to FUEL INJECTORS, CHECKING . |
| P0204 | 16588 | Injector Circuit Open Cylinder 4 | -- Check the Fuel Injectors -N33-. Refer to FUEL INJECTORS, CHECKING . |
| P0221 | 16605 | Accelerator Pedal Position Sensor Circuit Range/Performance | -- 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 . |
| P0222 | 16606 | Accelerator Pedal Position Sensor 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 . |
| P0223 | 16607 | Accelerator Pedal Position Sensor 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 . |
| P0234 | 16618 | Turbocharger Overboost Condition | -- Check the Charge Air Pressure sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING -- Check the Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . -- Check the Turbocharger Recirculating Valve -N249-. Refer to TURBOCHARGER RECIRCULATING VALVE, CHECKING |
| P0236 | 16620 | Turbocharger Boost Sensor Circuit Range/Performance | -- Check the Charge Air Pressure sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING |
| P0237 | 16621 | Turbocharger Boost Sensor Circuit Low | -- Check the Charge Air Pressure sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING |
| P0238 | 16622 | Turbocharger Boost Sensor A Circuit High | -- Check the Charge Air Pressure sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING |
| P0243 | 16627 | Turbocharger Wastegate Solenoid | -- Check the Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . |
| P0245 | 16629 | Turbocharger Wastegate Solenoid Low | -- Check the Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . |
| P0246 | 16630 | Turbocharger Wastegate Solenoid High | -- Check the Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING . |
| P025A | - | Fuel Pump Module Control Circuit/Open | -- Check the Fuel Pump Control Module -J538-. Refer to FUEL PUMP ELECTRICAL, TESTING |
| P025C | - | Fuel Pump Module Control Circuit Low | -- Check the Fuel Pump Control Module -J538-. Refer to FUEL PUMP ELECTRICAL, TESTING |
| P025D | - | Fuel Pump Module Control Circuit High | -- Check the Fuel Pump Control Module -J538-. Refer to FUEL PUMP ELECTRICAL, TESTING |
| P0261 | 16645 | Cylinder 1 Injector Circuit Low | -- Check the Fuel Injectors -N30-. Refer to FUEL INJECTORS, CHECKING . |
| P0262 | 16646 | Cylinder 1 Injector Circuit High | -- Check the Fuel Injectors -N30-. Refer to FUEL INJECTORS, CHECKING . |
| P0264 | 16648 | Cylinder 2 Injector Circuit Low | -- Check the Fuel Injectors -N31-. Refer to FUEL INJECTORS, CHECKING . |
| P0265 | 16649 | Cylinder 2 Injector Circuit High | -- Check the Fuel Injectors -N31-. Refer to FUEL INJECTORS, CHECKING . |
| P0267 | 16651 | Cylinder 3 Injector Circuit Low | -- Check the Fuel Injectors -N32-. Refer to FUEL INJECTORS, CHECKING . |
| P0268 | 16652 | Cylinder 3 Injector Circuit High | -- Check the Fuel Injectors -N32-. Refer to FUEL INJECTORS, CHECKING . |
| P0270 | 16654 | Cylinder 4 Injector Circuit Low | -- Check the Fuel Injectors -N33-. Refer to FUEL INJECTORS, CHECKING . |
| P0271 | 16655 | Cylinder 4 Injector Circuit High | -- Check the Fuel Injectors -N33-. Refer to FUEL INJECTORS, CHECKING . |
| P0299 | 16683 | Turbocharger Underboost | -- Check the charge air system for proper seal. Refer to the Repair Information. -- Check the Charge Air Pressure sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING |
| P0300 | 16684 | Random Misfire Detected | -- Check the Spark plugs. -- Check the intake system for leaks. -- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST If the fuel pressure is out of range: -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . If the fuel pressure is Not out of range:-- Check Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P0301 | 16685 | 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 Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P0302 | 16686 | Cylinder 2 Misfire Detected | -- Check the Spark plugs. -- Check the intake system for leaks. Driver -- Check the Ignition Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P0303 | 16687 | 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 Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P0304 | 16688 | 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 Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P0321 | 16705 | Engine Speed Input Circuit Range/Performance | -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING . |
| P0322 | 16706 | Engine Speed Input Circuit No Signal | -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING . |
| P0324 | 16708 | Knock Control System Error | -- Check the Knock Sensors -G61-. Refer to KNOCK SENSOR 1, CHECKING . |
| P0327 | 16711 | Knock Sensor 1 Circuit Low Input | -- Check the Knock Sensors -G61-. Refer to KNOCK SENSOR 1, CHECKING . |
| P0328 | 16712 | Knock Sensor 1 Circuit High Input | -- Check the Knock Sensors -G61-. Refer to KNOCK SENSOR 1, CHECKING . |
| P0340 | 16724 | Camshaft Position Sensor Circuit | -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING . |
| P0341 | 16725 | Camshaft Position Sensor Circuit Range/Performance | -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING . |
| P0342 | 16726 | Camshaft Position Sensor Circuit Low Input | -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING . |
| P0343 | 16727 | Camshaft Position Sensor Circuit High Input | -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING . |
| P0351 | 16735 | Ignition Coil 1 Primary/Secondary Circuit | -- Check the Ignition Coils with Power Output Stage -N70-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P0352 | 16736 | Ignition Coil 2 Primary/Secondary Circuit | -- Check the Ignition Coils with Power Output Stage -N127-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P0353 | 16737 | Ignition Coil 3 Primary/Secondary Circuit | -- Check the Ignition Coils with Power Output Stage -N291-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P0354 | 16738 | Ignition Coil 4 Primary/Secondary Circuit | -- Check the Ignition Coils with Power Output Stage -N292-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P0420 | 16804 | Catalyst System Efficiency Below Threshold | -- Check the Three Way Catalytic Converter (TWC). Refer to THREE WAY CATALYTIC CONVERTER, TWC CHECKING
. -- Check the Heated Oxygen Sensor -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING -- Check the Oxygen Sensor Behind Three Way Catalytic Converter -G130-. Refer to HEATED OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING . |
| P0441 | 16825 | Evaporative Emission System Incorrect Purge Flow | -- 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 . |
| P0442 | 16826 | Evaporative Emission System Leak Detected Small Leak | -- Verify an EVAP System leak is present. 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 . |
| P0444 | 16828 | 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 . |
| P0455 | 16839 | Evaporative Emission System Leak Detected | -- Verify an EVAP System leak is present. 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 . |
| P0456 | 16840 | Evaporative Emission System Leak Detected very small leak | -- Verify an EVAP System leak is present. 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 . |
| P0458 | 16842 | Evaporative Emission System Purge Control Valve Circuit Low | -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING . |
| P0459 | 16843 | Evaporative Emission System Purge Control Valve Circuit High | -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING . |
| P0501 | 16885 | Vehicle Speed Sensor Range/Performance | -- Check vehicle speed signal. Refer to SPEED SIGNAL, CHECKING . |
| P0503 | 16887 | Vehicle Speed Sensor Intermittent/Erratic/High | -- Check vehicle speed signal. Refer to SPEED SIGNAL, CHECKING . |
| P0506 | 16890 | Idle Air Control System RPM Lower Than Expected | If the engine idle is rough, check for a vacuum leak. See code P2279 for detail. -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . |
| P0507 | 16891 | Idle Air Control System RPM Higher Than Expected | Check the throttle plate for sticking or mechanical binding. If any binding occurs, replace the assembly. -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . |
| P050A | - | Cold Start Idle Air Control System Performance | -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING
. Check accuracy of the ECT (G62) sensor. Make sure that at cold ambient, (the temperature displayed on the scan tool) matches actual coolant temperature within 5%. |
| P050B | - | Timing Adjustment Malfunction During Cold Start at Idle | This code will set due to poor fuel quality or fuel that has aged. Drain the fuel from the vehicle and replace with fresh gasoline. |
| P052A | - | Cold Start Camshaft Position Timing Over-Advanced | -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . |
| P053F | - | Cold Start Fuel Pressure Performance | -- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST If the fuel pressure is out of range: -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . |
| P0606 | 16990 | ECM Processor Fault | -- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Information. |
| P062B | - | Internal ECM Driver for Fuel Injector Control, Performance | Perform an injector test to check for shorted circuit or shorted injector before replacing ECM. Refer to -- Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING When circuit/injector faults have been corrected or no faults have been found with injector or wiring: -- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Information. |
| P0638 | 17022 | Throttle Actuator Control Range/Performance | -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . |
| P0641 | 17025 | Sensor Reference Voltage A Circuit Open | Check for any sensor voltage faults, and diagnose any sensor voltage codes first. If no other codes are set:-- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Information. |
| P0651 | 17035 | Sensor Reference Voltage B Circuit Open | Check for any sensor voltage faults, and diagnose any sensor voltage codes first. If no other codes are set:-- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Information. |
| P0657 | 17041 | Actuator Supply Voltage Circuit Open | Check for any sensor voltage faults, and diagnose any sensor voltage codes first. If no other codes are set:-- Check the Engine Control Module (ECM) Power Supply Relay -J271-. Refer to VOLTAGE SUPPLY, CHECKING . |
| P0658 | 17042 | Actuator Supply Voltage Circuit Low | Check for any actuator voltage faults, and diagnose any actuator voltage codes first. If no other codes are set:-- Check the Engine Control Module (ECM) Power Supply Relay -J271-. Refer to VOLTAGE SUPPLY, CHECKING . |
| P0659 | 17043 | Actuator Supply Voltage Circuit High | Check for any actuator voltage faults, and diagnose any actuator voltage codes first. If no other codes are set:-- Check the Engine Control Module (ECM) Power Supply Relay -J271-. Refer to VOLTAGE SUPPLY, CHECKING . |
| P0697 | 17081 | Sensor Reference Voltage C Circuit Open | Check for any sensor voltage faults, and diagnose any sensor voltage codes first. If no other codes are set:-- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Information. |
| P12A1 | - | Fuel Rail Pressure Sensor Inappropriately Low | -- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST If the actual fuel pressure matches the scan tool reading: -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . |
| P12A2 | - | Fuel Rail Pressure Sensor Inappropriately High | -- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST If the actual fuel pressure matches the scan tool reading: -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . |
| P12A4 | - | Fuel Rail Pump Control Valve Stuck Closed | -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . |
| P13EA | - | Timing Adjustment Malfunction During Cold Start | This code will set due to poor fuel quality or fuel that has aged. Poor fuel quality will cause a delay in the cylinder firing pulse monitored by the engine speed sensor. Drain the fuel from the vehicle and replace with fresh gasoline. |
| 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 appropriate SYSTEM WIRING DIAGRAMS information for power and ground locations to the ECM. If power and grounds are present at the ECM;-- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Information. |
| P2008 | 18440 | Intake Manifold Runner Control Circuit Open | -- Check the Intake Manifold Runner Control (IMRC) Valve -N316-. Refer to INTAKE MANIFOLD RUNNER CONTROL VALVE, CHECKING . |
| P2009 | 18441 | Intake Manifold Runner Control Circuit Low | -- Check the Intake Manifold Runner Control (IMRC) Valve -N316-. Refer to INTAKE MANIFOLD RUNNER CONTROL VALVE, CHECKING . |
| P2010 | - | Intake Manifold Runner Control Circuit High | -- Check the Intake Manifold Runner Control (IMRC) Valve -N316-. Refer to INTAKE MANIFOLD RUNNER CONTROL VALVE, CHECKING . |
| P2014 | 18446 | Intake Manifold Runner Position Sensor Circuit | -- Check the Intake Manifold Runner Position Sensor -G336-. Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR, CHECKING . |
| P2015 | 18447 | Intake Manifold Runner Position Sensor Circuit Range/Performance | -- Check the Intake Manifold Runner Position Sensor -G336-. Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR, CHECKING . |
| P2016 | 18448 | Intake Manifold Runner Position Sensor Circuit Low | -- Check the Intake Manifold Runner Position Sensor -G336-. Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR, CHECKING . |
| P2088 | 18520 | A Camshaft Position Actuator Control Circuit Low | -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . |
| P2089 | P1912 | A Camshaft Position Actuator Control Circuit High Bank 1 | -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING . |
| P2096 | 18528 | Post Catalyst Fuel Trim System Too Lean | Check for Long Term Fuel Trim out of range (above +10%) and repair those conditions first. Refer to P0171 for diagnosis tables. If Long Term Fuel Trim is in range:-- Check Heated Oxygen Sensor Behind Three Way Catalytic Converter -G130-. Refer to HEATED OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING |
| P2097 | 18529 | Post Catalyst Fuel Trim System Too Rich | Check for Long Term Fuel Trim out of range (under -10%) and repair those conditions first. Refer to P0172 for diagnosis tables. If Long Term Fuel Trim is in range: -- Check Heated Oxygen Sensor Behind Three Way Catalytic Converter -G130-. Refer to HEATED OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING |
| P2101 | 18533 | Throttle Actuator Control Motor Circuit Range/Performance | -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . |
| P2106 | 18538 | Throttle Actuator Control System - Forced Limited Power | -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . |
| P2122 | 18554 | Throttle/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 . |
| P2123 | 18555 | Throttle/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 . |
| P2127 | 18559 | Throttle/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 . |
| P2128 | 18560 | Throttle/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 . |
| P2138 | 18570 | Throttle/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 . |
| P2146 | 18578 | Fuel Injector Group A Supply Voltage Circuit Open | -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . |
| P2149 | 18581 | Fuel Injector Group B Supply Voltage Circuit Open | -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING . |
| P2177 | 18609 | System Too Lean Off Idle | -- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST If the fuel pressure is out of range: -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . If the Fuel Pressure is OK:-- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING . -- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING . |
| P2178 | 18610 | System too rich off idle, Bank 1 | -- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST If the fuel pressure is out of range: -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . If the Fuel Pressure is OK:-- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING . -- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING . -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING . |
| P2181 | 18613 | Cooling System Performance | -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2 CHECKING -- Check the Coolant Pump -V50- Refer to the Repair Information. -- Check the Coolant Thermostat. Refer to the Repair Information. |
| P2184 | 18616 | Engine Coolant Temperature Sensor 2 Circuit Low | -- Check the Engine Coolant Temperature (ECT) Sensor -G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2 CHECKING . |
| P2185 | 18617 | Engine Coolant Temperature Sensor 2 Circuit High | -- Check the Engine Coolant Temperature (ECT) Sensor -G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2 CHECKING . |
| P2187 | 18619 | System Too Lean at Idle, | Check for air leaks between MAF and throttle body, 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. If a vacuum leak or crankcase seal is at cause, the idle may be rough or unstable. -- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING -- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING . -- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING . |
| P2188 | 18620 | System Too Rich at Idle | -- Check the Fuel Pressure --. Refer to FUEL PRESSURE TEST If the fuel pressure is out of range: -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . If the Fuel Pressure is OK:-- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING . -- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING . -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAPORATIVE EMISSION CANISTER PURGE REGULATOR VALVE, CHECKING . |
| P2195 | 18627 | O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 | -- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING |
| P2196 | 18628 | O2 Sensor Signal Biased/Stuck Rich - Bank 1 Sensor 1 | -- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING |
| P2231 | 18663 | O2 Sensor Bank 1 Sensor 1 Signal Circuit Shorted to Heater Circuit | -- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING -- Check the Oxygen Sensor Heater Before Catalytic Converter -Z19-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING . |
| P2237 | 18669 | O2 Sensor Positive Current Control Circuit Open Bank 1, Sensor 1 | -- Check the Oxygen Sensor Heater Before Catalytic Converter -Z19-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING . |
| P2243 | 18675 | O2 Sensor Reference Voltage Circuit Open Bank 1, Sensor 1 | -- Check the Oxygen Sensor Heater Before Catalytic Converter -Z19-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING . |
| P2251 | 18683 | O2 Sensor Negative Current Control Circuit Bank 1 Sensor 1 open | -- Check the Oxygen Sensor Heater Before Catalytic Converter -Z19-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING . |
| P2270 | 18702 | O2 Sensor Signal Stuck Lean Bank 1 Sensor 2 | -- Check the Heated Oxygen Sensor Behind Catalytic Converter -G130-. Refer to HEATED OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING |
| P2271 | 18703 | O2 Sensor Signal Stuck Rich Bank 1 Sensor 2 | -- Check the Heated Oxygen Sensor Behind Catalytic Converter -G130-. Refer to HEATED OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING |
| P2279 | 18711 | Intake Air System Leak | Check for air leaks between MAF and throttle body, 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. If a vacuum leak or crankcase seal is at cause, the idle may be rough or unstable. |
| P2293 | 18725 | Fuel Pressure Regulator 2 Performance | -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . |
| P2294 | 18726 | Fuel Pressure Regulator 2 Control Circuit | -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . |
| P2295 | 18727 | Fuel Pressure Regulator 2 Control Circuit Low | -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . |
| P2296 | 18728 | Fuel Pressure Regulator 2 Control Circuit High | -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING . |
| P2300 | 18732 | Ignition Coil A Primary Control Circuit Low | -- Check the Ignition Coils with Power Output Stage -N70-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P2301 | 18733 | Ignition Coil A Primary Control Circuit High | -- Check the Ignition Coils with Power Output Stage -N70-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P2303 | 18735 | Ignition Coil B Primary Control Circuit Low | -- Check the Ignition Coils with Power Output Stage -N127-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P2304 | 18736 | Ignition Coil B Primary Control Circuit High | -- Check the Ignition Coils with Power Output Stage -N127-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P2306 | 18738 | Ignition Coil C Primary Control Circuit Low | -- Check the Ignition Coils with Power Output Stage -N291-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P2307 | 18739 | Ignition Coil C Primary Control Circuit High | -- Check the Ignition Coils with Power Output Stage -N291-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P2309 | 18741 | Ignition Coil D Primary Control Circuit Low | -- Check the Ignition Coils with Power Output Stage -N292-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P2310 | 18742 | Ignition Coil D Primary Control Circuit High | -- Check the Ignition Coils with Power Output Stage -N292-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING . |
| P2400 | 18832 | Evaporative Emission System Leak Detection Pump Control Circuit/Open | -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . |
| P2401 | 18833 | Evaporative Emission System Leak Detection Pump Control Circuit Low | -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . |
| P2402 | 18834 | Evaporative Emission System Leak Detection Pump Control Circuit High | -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . |
| P2403 | 18835 | Evaporative Emission System Leak Detection Pump Sense Circuit/Open | -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . |
| P2404 | 18836 | Evaporative Emission System Leak Detection Pump Sense Range/Performance | -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . |
| P2414 | 18846 | O2 Sensor Exhaust Sample Error Bank 1 Sensor 1 | -- Check the Oxygen Sensor Heater Before Catalytic Converter -Z19-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING . |
| P2626 | 19058 | O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1 | -- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to HEATED OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING . |
| P3081 | 19537 | Engine Temperature Too Low | -- Check the Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2 CHECKING .-- Check for a stuck open thermostat. Refer to the Repair Information. |
| U0001 | 28673 | High Speed CAN Communication Bus | -- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING . |
| U0002 | - | High Speed CAN Communication Bus Performance | -- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING . |
| U0101 | 28773 | Lost Communication with TCM | -- Check the CAN Bus terminal resistance, Selector Lever Module -J587- to Engine Control Module (ECM) - J623-. Refer to CAN-BUS TERMINAL RESISTANCE, SELECTOR LEVER TO ENGINE CONTROL MODULE, CHECKING . |
| U0121 | 28793 | Lost Communication With Anti-Lock Brake System (ABS) Control Module | -- Check the CAN Bus terminal resistance. Refer to ABS Module -J104-. Refer to CAN BUS TO ABS CONTROL MODULE, CHECKING . |
| U0146 | 28818 | Lost Communication With Gateway A | -- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING . |
| U0155 | 28827 | Lost Communication With Instrument Panel Cluster (IPC) Control Module | -- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING
. Check IPC communication with a scan tool. If no IPC communication with scan tool and all other modules communicate, check IPC power and grounds. If OK, replace IPC Module. |
| U0302 | 28974 | Software Incompatibility with Transmission Control Module | Check for correct software in ECM. If software is incorrect (manual transmission calibration on automatic trans vehicle), reflash ECM with correct software. |
| U0402 | 29074 | Invalid Data Received From Transmission Control Module | VIN or application error (software). Check VIN and calibration number in TCM module for correct data. Reflash module with correct VIN or calibration. |
| U0415 | 29087 | Invalid Data Received From Anti-Lock Brake System Control Module | May have vehicle speed error. Using a scan tool, check for correct vehicle speed reading from wheel sensors in ABS module. If an ABS fault (DTC) exists, refer to the ABS Diagnosis in the Repair Information. |
| U0422 | - | Invalid Data Received From Body Control Module (Cluster) | Ambient temperature out of range. Refer to AMBIENT AIR TEMPERATURE SENSOR, CHECKING |
| U0423 | - | Invalid Data Received From Instrument Panel Cluster Control Module | VIN or application error (software). Check VIN and calibration number in Instrument Cluster Module. Refer to the Repair Information for Instrument Cluster diagnosis and reflash procedure. |
| U0447 | - | Lost Communication With Gateway | -- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING . |