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Diagnostic Trouble Codes (DTC) Index

DIAGNOSTIC TROUBLE CODES (DTC) INDEX

SAE Code VAG Code Code Description Corrective Action
P000A * - Intake Camshaft Position Slow Response -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING .
P0010 * - Intake Camshaft Position Actuator Circuit Open -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING .
P0011 * - Intake Camshaft Position Timing - Over-Advanced -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING .
P0016 * - Crankshaft Position vs. 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 -G6-. Refer to FUEL PUMP ELECTRICAL, TESTING .
P025C - Fuel Pump Module Control Circuit Low -- Check the Fuel Pump -G6-. Refer to FUEL PUMP ELECTRICAL, TESTING .
P025D - Fuel Pump Module Control Circuit High -- Check the Fuel Pump -G6-. Refer to FUEL PUMP ELECTRICAL, TESTING .
P0030 * - HO2S Heater Control Circuit Bank 1 Sensor 1 -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING .
P0031 * - HO2S Heater Control Circuit Low Bank 1 Sensor 1 -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING .
P0032 * - HO2S Heater Control Circuit High Bank 1 Sensor 1 -- Check the Oxygen Sensor (O2S) Heater -Z19-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING .
P0036 * - HO2S Heater Control Circuit Bank 1 Sensor 2 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR HEATER BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
P0037 * - HO2S Heater Control Circuit Low Bank 1 Sensor 2 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR HEATER BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
P0038 16422 HO2S Heater Control Circuit High Bank 1 Sensor 2 -- Check the Oxygen Sensor (O2S) Heater -Z29-. Refer to OXYGEN SENSOR HEATER BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
P0068 * - MAF vs 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 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 * - Fuel Rail/System Pressure - Too Low -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
P0100 * - Mass Air Flow Circuit Fault -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MAF SENSOR, CHECKING .
P0101 * - Mass Air Flow Circuit Performance -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MAF SENSOR, CHECKING .
P0102 * - Mass Air Flow Circuit Low Input -- Check the Mass Air Flow (MAF) Sensor -G70-. Refer to MAF SENSOR, CHECKING .
P0103 * - 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 Performance -- Check the Charge Air Pressure Sensor/MAP Sensor -G31/G71-. Refer to CHARGE AIR PRESSURE SENSOR/MAP 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 of actual Barometric pressure readings. Refer to the Repair Information for ECM replacement.
P0111 * - Intake Air Temperature Sensor Circuit Performance -- Check the IAT sensor -G42-. Refer to IAT SENSOR, CHECKING .
P0112 * - Intake Air Temperature Sensor Circuit Low Input -- Check the IAT sensor -G42-. Refer to IAT SENSOR, CHECKING .
P0113 * - Intake Air Temperature Sensor Circuit High Input -- Check the IAT sensor -G42-. Refer to IAT SENSOR, CHECKING .
P0116 * - Engine Coolant Temperature Sensor 1 Circuit Performance -- Check the Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 1 OR 2 CHECKING .
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 .
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 .
P0121 * - Pedal Position Sensor A Circuit 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 * - Pedal Position Sensor A 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 * - Pedal Position Sensor A 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 .
P013A * - O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
P0130 * - O2 Sensor Circuit Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
P0131 * - O2 Sensor Circuit, Bank 1 - Sensor 1 Low Voltage -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
P0132 * - O2 Sensor Circuit, Bank 1 - Sensor 1 High Voltage -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
P0133 * - O2 Circuit Slow Response Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
P0135 16519 O2 Heater Circuit Bank 1 Sensor 1 -- Check the Oxygen Sensor (O2S) Heater -G39-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING .
P0136 16520 O2 Circuit Bank 1 Sensor 2 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
P0137 * - O2 Circuit Low Voltage Bank 1 Sensor 2 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
P0138 * - O2 Circuit High Voltage Bank 1 Sensor 2 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
P0139 16523 O2 Circuit Slow Response Bank 1 Sensor 2 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
P0140 * - O2 Circuit No Activity Detected Bank 1 Sensor 2 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
P0141 16525 O2 Heater Circuit Bank 1 Sensor 2 -- Check the Oxygen Sensor (O2S) Heater -G465-. Refer to OXYGEN SENSOR HEATER BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
P0169 * - Incorrect Fuel Composition Check for contaminated fuel or possible high concentration of alcohol in fuel (above 15%). If any O2 sensor codes are also set, refer to those codes first.
P0171 16555 System Too Lean Bank 1 -- Check the intake system for leaks (unmetered air).-- Check the vacuum lines for leaks-- 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 (HO2S) -G465-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P0172 16556 System Too Rich Bank 1 -- 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 (HO2S) -G465-. Refer to 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 * - Fuel Rail Pressure Sensor Circuit -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING
P0191 16575 Fuel Rail Pressure Sensor Circuit Performance -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING
P0192 * - Fuel Rail Pressure Sensor Circuit Low -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING
P0201 * - Injector Circuit Open Cylinder 1 -- Check the fuel injectors -N30-. Refer to FUEL INJECTORS, CHECKING .
P0202 * - Injector Circuit Open Cylinder 2 -- Check the fuel injectors -N31-. Refer to FUEL INJECTORS, CHECKING .
P0203 * - Injector Circuit Open Cylinder 3 -- Check the fuel injectors -N32-. Refer to FUEL INJECTORS, CHECKING .
P0204 * - Injector Circuit Open Cylinder 4 -- Check the fuel injectors -N33-. Refer to FUEL INJECTORS, CHECKING .
P0221 * - Pedal Position Sensor Circuit 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 * - 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 * - 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 * - Turbocharger Overboost Condition -- Check the Charge Air Pressure sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR/MAP 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 NOTE: Check the Altitude sensor reading and make sure it is correct for the location (if unsure of the elevation compare to a vehicle with no faults). If the reading is off by 10% or more, the Altitude sensor is part of the ECM circuit board and will require ECM replacement.
P0236 * - Turbocharger Boost Sensor Circuit Performance -- Check the Charge Air Pressure sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR/MAP SENSOR, CHECKING NOTE: Check the Altitude sensor reading and make sure it is correct for the location (if unsure of the elevation compare to a vehicle with no faults). If the reading is off by 10% or more, the Altitude sensor is part of the ECM circuit board and will require ECM replacement.
P0237 * - Turbocharger Boost Sensor Circuit Low -- Check the Charge Air Pressure sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR/MAP SENSOR, CHECKING
P0238 * - Turbocharger Boost Sensor Circuit High -- Check the Charge Air Pressure sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR/MAP SENSOR, CHECKING
P0243 * - Turbocharger Wastegate Solenoid Circuit Performance -- Check the Wastegate Bypass Regulator Valve -N75-. Refer to WASTEGATE BYPASS REGULATOR VALVE, CHECKING .
P0245 * - 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 Module -J538-. Refer to FUEL PUMP ELECTRICAL, TESTING
P025C * - Fuel Pump Module Control Circuit Low -- Check the Fuel Pump Module -J538-. Refer to FUEL PUMP ELECTRICAL, TESTING
P025D * - Fuel Pump Module Control Circuit High -- Check the Fuel Pump Module -J538-. Refer to FUEL PUMP ELECTRICAL, TESTING
P0261 * - Cylinder 1 Injector Circuit Low -- Check the fuel injectors -N30-. Refer to FUEL INJECTORS, CHECKING .
P0262 * - Cylinder 1 Injector Circuit High -- Check the fuel injectors -N30-. Refer to FUEL INJECTORS, CHECKING .
P0264 * - Cylinder 2 Injector Circuit Low -- Check the fuel injectors -N31-. Refer to FUEL INJECTORS, CHECKING .
P0265 * - Cylinder 2 Injector Circuit High -- Check the fuel injectors -N31-. Refer to FUEL INJECTORS, CHECKING .
P0267 * - Cylinder 3 Injector Circuit Low -- Check the fuel injectors -N32-. Refer to FUEL INJECTORS, CHECKING .
P0268 * - Cylinder 3 Injector Circuit High -- Check the fuel injectors -N32-. Refer to FUEL INJECTORS, CHECKING .
P0270 * - Cylinder 4 Injector Circuit Low -- Check the fuel injectors -N33-. Refer to FUEL INJECTORS, CHECKING .
P0271 * - Cylinder 4 Injector Circuit High -- Check the fuel injectors -N33-. Refer to FUEL INJECTORS, CHECKING .
P0299 * - 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/MAP SENSOR, CHECKING
P0300 * - Random 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 Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING .
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 Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING .
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 Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING .
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 Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING .
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 Coils with Power Output Stage -N70, N127, N291, N292-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING .
P0321 * - Engine Speed Input Circuit Performance -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
P0322 * - Engine Speed Input Circuit No Signal -- Check the Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
P0324 * - Knock Control System Error -- Check theKnock Sensors -G61, G66-. Refer to KNOCK SENSOR 1, CHECKING .
P0327 * - Knock Sensor 1 Circuit Low Input -- Check theKnock Sensors -G61, G66-. Refer to KNOCK SENSOR 1, CHECKING .
P0328 * - Knock Sensor 1 Circuit High Input -- Check theKnock Sensors -G61, G66-. 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 * - Camshaft Position Sensor Circuit Performance -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
P0342 * - Camshaft Position Sensor Circuit Low Input -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
P0343 * - Camshaft Position Sensor Circuit High Input -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
P0351 * - Ignition Coil A Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage -N70-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING .
P0352 * - Ignition Coil B Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage -N127-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING .
P0353 * - Ignition Coil C Primary/Secondary Circuit -- Check the Ignition Coils with Power Output Stage -N291-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING .
P0354 * - Ignition Coil D 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 (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
-- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING .
P0441 * - 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 * - 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 .
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 .
P0455 16839 Evaporative Emission System Leak Detected (gross leak/no flow) -- 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 .
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 .
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 .
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 .
P050A * - Cold Start Idle Air Control System Performance -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
P050B * - Cold Start Ignition Timing Performance 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.
P0501 * - 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 * - Idle Air Control System RPM Lower Than Expected -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
P0507 * - Idle Air Control System RPM Higher Than Expected -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
P052A * - Cold Start Camshaft Position Timing Over-Advanced Incorrect oil viscosity can set the code. See if oil change was recently performed (possibly using wrong viscosity oil). -- 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
P0606 * - ECM Processor Fault -- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Information.
P062B * - Internal Control Module Fuel Injector Control Performance -- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Information.
P0638 * - Throttle Actuator Control Performance -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
P0641 * - Sensor Reference Voltage A Circuit Check for any sensor voltage faults, and diagnose any sensor voltage codes first. If none are set:-- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Information.
P0651 * - Sensor Reference Voltage B Circuit Check for any sensor voltage faults, and diagnose any sensor voltage codes first. If none are set:-- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Information.
P0657 * - Actuator Supply Voltage A Circuit Open Check for any actuator voltage faults, and diagnose any actuator voltage codes first. If none are set:-- Check the Engine Control Module (ECM) Power Supply Relay -J271-. Refer to VOLTAGE SUPPLY, CHECKING .
P0658 * - Actuator Supply Voltage A Circuit Low Check for any actuator voltage faults, and diagnose any actuator voltage codes first. If none are set:-- Check the Engine Control Module (ECM) Power Supply Relay -J271-. Refer to VOLTAGE SUPPLY, CHECKING .
P0659 * - Actuator Supply Voltage A Circuit High Check for any actuator voltage faults, and diagnose any actuator voltage codes first. If none are set:-- Check the Engine Control Module (ECM) Power Supply Relay -J271-. Refer to VOLTAGE SUPPLY, CHECKING .
P0697 * - Sensor Reference Voltage C Circuit Open Check for any sensor voltage faults, and diagnose any sensor voltage codes first. If none 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 Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .-- 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 Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
-- 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 .
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 power and grounds are present at the ECM;-- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Information.
P1609 18017 Crash Fuel Shut-Off Was Deployed Information code only. After vehicle is properly repaired, erase code.
P2008 * - Intake Manifold Runner Control Circuit Open -- Check the Intake Manifold Runner Control (IMRC) Valve -N316-. Refer to INTAKE MANIFOLD RUNNER CONTROL VALVE, CHECKING .
P2009 * - 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 * - Intake Manifold Runner Position Sensor Circuit -- Check the Intake Manifold Runner Position Sensor -G336-. Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR, CHECKING .
P2015 * - Intake Manifold Runner Position Sensor Circuit Performance -- Check the Intake Manifold Runner Position Sensor -G336-. Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR, CHECKING .
P2016 * - Intake Manifold Runner Position Sensor Circuit Low -- Check the Intake Manifold Runner Position Sensor -G336-. Refer to INTAKE MANIFOLD RUNNER POSITION SENSOR, CHECKING .
P2088 * - A Camshaft Position Actuator Control Circuit Low -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
P2089 * - A Camshaft Position Actuator Control Circuit High -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
P2096 * - Post Catalyst Fuel Trim System Too Lean Check for exhaust leaks ahead of the catalyst. -- Check Heated Oxygen Sensor (HO2S) -G130- behind Three Way Catalytic Converter (TWC). Refer to OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING
P2097 * - Post Catalyst Fuel Trim System Too Rich -- Check Heated Oxygen Sensor (HO2S) -G130- behind Three Way Catalytic Converter (TWC). Refer to OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING
P2101 * - Throttle Actuator Control Motor Circuit Performance -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
P2106 * - Throttle Actuator Control System Forced Limited Power -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING .
P2122 * - 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 * - 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 * - 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 * - 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 * - 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 * - Fuel Injector A Supply Voltage Circuit Open -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING .
P2149 * - Fuel Injector B Supply Voltage Circuit Open -- Check the Fuel injectors -N30, N31, N32, N33-. Refer to FUEL INJECTORS, CHECKING .
P2177 * - 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 .
-- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING .
-- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P2178 * - System Too Rich 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 .
-- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING .
-- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to 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 * - 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 * - 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 * - 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 * - Fuel System Too Lean At Idle -- Check the intake system for leaks.-- 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 OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P2188 * - Fuel 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 .
-- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to FUEL INJECTORS, CHECKING .
-- Check the Heated Oxygen Sensor Before Catalytic Converter -G39-. Refer to 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 * - O2 Sensor Signal Biased/Stuck Lean Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
P2196 * - O2 Sensor Signal Biased/Stuck Rich - Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
P2231 18663 O2 Sensor Bank 1 Sensor 1 Signal Circuit Shorted to Heater Circuit -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
-- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING .
P2237 * - O2 Sensor Positive Current Control Circuit Open Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING .
P2243 * - O2 Sensor Reference Voltage Circuit Open Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
P2251 * - O2 Sensor Negative Current Control Circuit Open Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER, CHECKING .
P2270 * - O2 Sensor Signal Stuck Lean Bank 1 Sensor 2 -- Check the Heated Oxygen Sensor (HO2S) -G130-. Refer to OXYGEN SENSOR BEHIND THREE WAY CATALYTIC CONVERTER, CHECKING
P2271 * - O2 Sensor Signal Stuck Rich Bank 1 Sensor 2 -- Check the Heated Oxygen Sensor (HO2S) -G130-. Refer to OXYGEN SENSOR BEHIND THREE WAY 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 * - Fuel Pressure Regulator 2 Performance -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING .
P2294 * - Fuel Pressure Regulator 2 Control Circuit -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING .
P2295 * - Fuel Pressure Regulator 2 Control Circuit Low -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING .
P2296 * - Fuel Pressure Regulator 2 Control Circuit High -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING .
P2300 * - 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 * - 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 * - 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 * - 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 * - 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 * - 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 * - 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 * - 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 * - Evaporative Emission System Leak Detection Pump Control Circuit/Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
P2401 * - Evaporative Emission System Leak Detection Pump Control Circuit Low -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
P2402 * - 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 * - O2 Sensor Exhaust Sample Error Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P2450 * - Evaporative Emission System Switching Valve Performance/Stuck Open  
P2626 * - O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
P3081 * - 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 * - 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 * - Lost Communication with TCM -- Check the CAN-Bus Direct Shift Gearbox (DSG) Mechatronic -J743- to Engine Control Module (ECM) - J623-. Refer to CAN-BUS TERMINAL RESISTANCE, DIRECT SHIFT GEARBOX MECHATRONIC TO ENGINE CONTROL MODULE, CHECKING .
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. If other modules have set an ABS communication error, refer to the Service Information for the ABS communication diagnosis.
U0146 * - Lost Communication With Gateway A -- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0155 * - Lost Communication With Instrument Panel Cluster (IPC) Control Module -- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0302 * - Software Incompatibility with Transmission Control Module Check for any applicable TSB's. Check the ECM software version to make sure it is correct for the vehicle. Reflash module if incorrect or update is available. If ECM and TCM software is correct:-- Replace the Direct Shift Gearbox (DSG) Mechatronic -J743-. Refer to the Repair Information.
U0402 * - Invalid Data Received From TCM Check for correct software in TCM and reflash if necessary. Check the CAN bus. Refer to CAN-BUS TERMINAL RESISTANCE, DIRECT SHIFT GEARBOX MECHATRONIC TO ENGINE CONTROL MODULE, CHECKING
U0415 * - CAN Communication With ABS Error -- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0422 - Invalid Data Received From Body Control Module (Cluster) -- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0423 * - Invalid Data Received From Instrument Panel Cluster Control Module If an AAT sensor code is set, diagnose that code before proceeding. If no code is set replace the IPC module. Refer to the Repair Information.
U0447 - Lost Communication With Gateway -- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .