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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 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 .
P0030 16414 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 16415 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 16416 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 16420 HO2S Heater Control Circuit Bank 1 Sensor 2 -- Check the Oxygen Sensor (O2S) Heater -Z29-. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P0037 16421 HO2S Heater Control Circuit Low Bank 1 Sensor 2 -- Check the Oxygen Sensor (O2S) Heater -Z29-. Refer to OXYGEN SENSOR BEHIND 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 BEHIND CATALYTIC CONVERTER, CHECKING
P0068 16452 MAF vs Throttle Position Correlation -- Check the Throttle Valve Control Module -GX3-. Refer to THROTTLE VALVE CONTROL MODULE CHECKING .
P0070 - Ambient Air Temperature Sensor Circuit -- Check the Ambient Air Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR, CHECKING .
P0071 - Ambient Air Temperature Sensor Range/Performance -- Check the Ambient Air Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR, CHECKING .
P0072 - Ambient Air Temperature Sensor Circuit Low -- Check the Ambient Air Temperature Sensor -G17-. Refer to AMBIENT AIR TEMPERATURE SENSOR, CHECKING .
P0087 16471 Fuel Rail/System Pressure - Too Low -- Check the Low Fuel Pressure Sensor -G410-. Refer to FUEL PRESSURE SENSOR, CHECKING .
P0100 16484 Mass Air Flow Circuit Fault -- Check the Intake Manifold Sensor -GX9-. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR/INTAKE AIR TEMPERATURE SENSOR, CHECKING .
P0101 16485 Mass Air Flow Circuit Range/Performance -- Check the Intake Manifold Sensor -GX9-. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR/INTAKE AIR TEMPERATURE SENSOR, CHECKING .
P0102 16486 Mass Air Flow Circuit Low Input -- Check the Intake Manifold Sensor -GX9-. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR/INTAKE AIR TEMPERATURE SENSOR, CHECKING .
P0103 16487 Mass Air Flow Circuit High Input -- Check the Intake Manifold Sensor -GX9-. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR/INTAKE AIR TEMPERATURE 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/INTAKE AIR TEMPERATURE SENSOR, CHECKING . If there is no fault found with the Charge Air Pressure sensor or wiring, check for any related TSB's. The Altitude (Baro) sensor is located within the ECM and will require replacement of the ECM if faulty. Check the Baro reading with a scan tool vs. actual Baro for the area. If Baro is off by more than 10%, replace the ECM. Refer to the Repair Manual.
P0111 16495 Intake Air Temperature Sensor 1 Circuit Range/Performance -- Check the IAT sensor -G42-. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR/INTAKE AIR TEMPERATURE SENSOR, CHECKING .
P0112 16496 Intake Air Temperature Sensor 1 Circuit Low Input -- Check the IAT sensor -G42-. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR/INTAKE AIR TEMPERATURE SENSOR, CHECKING .
P0113 16497 Intake Air Temperature Sensor 1 Circuit High Input -- Check the IAT sensor -G42-. Refer to MANIFOLD ABSOLUTE PRESSURE SENSOR/INTAKE AIR TEMPERATURE 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 .-- Check the coolant thermostat. Refer to the Repair Manual.
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 .-- Check the coolant thermostat. Refer to the Repair Manual.
P0121 16505 Accelerator Pedal Position Sensor 1/Accelerator Pedal Position Sensor 2 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 1/Accelerator Pedal Position Sensor 2 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 1/Accelerator Pedal Position Sensor 2 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 (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING
P0131 16515 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 16516 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 16517 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 Malfunction -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P0137 16521 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 CATALYTIC CONVERTER, CHECKING .
P0138 16522 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 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 CATALYTIC CONVERTER, 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 CATALYTIC CONVERTER, CHECKING .
P0140 16524 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 CATALYTIC CONVERTER, CHECKING .
P0141 16525 O2 Heater Circuit Bank 1 Sensor 2 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P0142 16526 O2 Sensor Circuit Bank 1 Sensor 3 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P0143 16527 O2 Sensor Circuit Low Voltage Bank 1 Sensor 3 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P0144 16528 O2 Sensor Circuit High Voltage Bank 1 Sensor 3 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P0145 16529 O2 Sensor Circuit Slow Response Bank 1 Sensor 3 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P0146 16530 O2 Sensor Circuit No Activity Detected Bank 1 Sensor 3 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P0147 16531 O2 Sensor Heater Circuit Bank 1 Sensor 3 -- Check the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR HEATER BEHIND CATALYTIC CONVERTER, CHECKING .
P0169 16553 Incorrect Fuel Composition Check for contaminated fuel, long term adaptive out of range, possible O2 sensor fault or high concentration of alcohol in fuel (above 15%).
P0171 16555 System Too Lean 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 intake system for leaks, or engine gaskets, oil cap loose/missing that can allow air in the via the PCV system.-- Check the vacuum lines for leaks
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 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 1/Accelerator Pedal Position Sensor 2 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 1/Accelerator Pedal Position Sensor 2 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 1/Accelerator Pedal Position Sensor 2 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/INTAKE AIR TEMPERATURE SENSOR, CHECKING
P0236 16620 Turbocharger Boost Sensor Circuit Range/Performance -- Check the Charge Air Pressure Sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR/INTAKE AIR TEMPERATURE SENSOR, CHECKING
P0237 16621 Turbocharger Boost Sensor Circuit Low -- Check the Charge Air Pressure Sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR/INTAKE AIR TEMPERATURE SENSOR, CHECKING
P0238 16622 Turbocharger Boost Sensor Circuit High -- Check the Charge Air Pressure Sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR/INTAKE AIR TEMPERATURE SENSOR, CHECKING
P025A - Fuel Pump Module Control Circuit Open -- Check the Fuel Pump Control Module. Refer to FUEL PUMP ELECTRICAL, TESTING .
P025C - Fuel Pump Module Control Circuit Low -- Check the Fuel Pump Control Module. Refer to FUEL PUMP ELECTRICAL, TESTING .
P025D - Fuel Pump Module Control Circuit High -- Check the Fuel Pump Control Module. Refer to FUEL PUMP ELECTRICAL, TESTING .
P0261 16645 Cylinder 1 Injector Circuit Low -- Check the Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .
P0262 16646 Cylinder 1 Injector Circuit High -- Check the Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .
P0264 16648 Cylinder 2 Injector Circuit Low -- Check the Fuel Injector -N31-. Refer to FUEL INJECTORS, CHECKING .
P0265 16649 Cylinder 2 Injector Circuit High -- Check the Fuel Injector -N31-. Refer to FUEL INJECTORS, CHECKING .
P0267 16651 Cylinder 3 Injector Circuit Low -- Check the Fuel Injector -N32-. Refer to FUEL INJECTORS, CHECKING .
P0268 16652 Cylinder 3 Injector Circuit High -- Check the Fuel Injector -N32-. Refer to FUEL INJECTORS, CHECKING .
P0270 16654 Cylinder 4 Injector Circuit Low -- Check the Fuel Injector -N33-. Refer to FUEL INJECTORS, CHECKING .
P0271 16655 Cylinder 4 Injector Circuit High -- Check the Fuel Injector -N33-. Refer to FUEL INJECTORS, CHECKING .
P0299 16683 Turbocharger Underboost -- Check the charge air system for proper seal. Refer to the Repair Manual.-- Check the charge air pressure sensor. Refer to CHARGE AIR PRESSURE SENSOR/INTAKE AIR TEMPERATURE 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 -- 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.-- 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 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 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 theKnock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING .
P0327 16711 Knock Sensor 1 Circuit Low -- Check theKnock Sensor -G61-. Refer to KNOCK SENSOR 1, CHECKING .
P0328 16712 Knock Sensor 1 Circuit High -- Check theKnock Sensor -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 Performance -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
P0342 16726 Camshaft Position Sensor Circuit Low -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
P0343 16727 Camshaft Position Sensor Circuit High -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to CAMSHAFT POSITION SENSOR, CHECKING .
P0351 16735 Ignition Coil A Primary Circuit -- Check the Ignition Coil with Power Output Stage -N70-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING .
P0352 16736 Ignition Coil B Primary Circuit -- Check the Ignition Coil with Power Output Stage -N127-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING .
P0353 16737 Ignition Coil C Primary Circuit -- Check the Ignition Coil with Power Output Stage -N291-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING .
P0354 16738 Ignition Coil D Primary Circuit -- Check the Ignition Coil with Power Output Stage -N292-. Refer to IGNITION COILS WITH POWER OUTPUT STAGE, CHECKING .
P0410 - Secondary Air Injection System -- Check the Secondary Air Injection (AIR) Pump Motor -V101-. Refer to SECONDARY AIR INJECTION PUMP MOTOR AND RELAY, CHECKING .
P0413 16797 Secondary Air Injection System Switching Valve Circuit Open -- Check the Secondary Air Injection (AIR) Pump Motor -V101-. Refer to SECONDARY AIR INJECTION PUMP MOTOR AND RELAY, CHECKING .
P0414 16798 Secondary Air Injection System Switching Valve Circuit Low -- Check the Secondary Air Injection (AIR) Pump Motor -V101-. Refer to SECONDARY AIR INJECTION PUMP MOTOR AND RELAY, CHECKING .
P0418 16802 Secondary Air Injection System Control Circuit -- Check the Secondary Air Injection (AIR) Pump Motor -V101-. Refer to SECONDARY AIR INJECTION PUMP MOTOR AND RELAY, 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 Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-. Refer to OXYGEN SENSOR BEHIND CATALYTIC CONVERTER, CHECKING .
P043E - Evaporative Emission System Leak Detection Reference Orifice Low Flow -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP CHECKING .
EVAP pump current during reference measurement engine on < 40 mA
P043F - Evaporative Emission System Leak Detection Reference Orifice High Flow -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP CHECKING .
EVAP pump current during reference measurement engine on > 15mA
P0441 16825 Evaporative Emission System Incorrect Purge 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 .
P0442 16826 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 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 .
P0447 - Evaporative Emission System Vent Control Circuit Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP CHECKING .
P0448 - Evaporative Emission System Vent Control Circuit Shorted to B+ or ground -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP 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 16840 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 16842 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 16843 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 .
P0491 16875 Secondary Air System Insufficient Flow -- Check the Secondary Air Combination Valve. Refer to COMBINATION VALVE, CHECKING .
P050A - Cold Start Idle Air Control System Performance -- Check the Throttle Valve Control Module -GX3-. Refer to THROTTLE VALVE CONTROL MODULE CHECKING .
P050B - Cold Start Ignition Timing Performance Check for any Engine Speed sensor or Ignition Coil faults and diagnose them first. If NO other codes are set, replace the ECM. -- Engine Control Module (ECM) -J623-. Refer to the Repair Manual.
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 -- Check the Throttle Valve Control Module -GX3-. Refer to THROTTLE VALVE CONTROL MODULE CHECKING .
P0507 16891 Idle Air Control System RPM Higher Than Expected -- Check the Throttle Valve Control Module -GX3-. Refer to THROTTLE VALVE CONTROL MODULE CHECKING .
P052A - Cold Start Camshaft Position Timing Over-Advanced Make sure correct viscosity oil is used. -- Check the Camshaft Adjustment Valve 1 -N205-. Refer to CAMSHAFT ADJUSTMENT VALVE 1, CHECKING .
P053F - Cold Start Fuel Pressure Performance -- Check the Fuel Metering Valve -N290-. Refer to FUEL PRESSURE REGULATOR VALVE, CHECKING .
P0606 16990 ECM Processor Fault -- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Manual.
P062B - Internal Control Module Fuel Injector Control Performance -- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Manual.
P0634 17018 ECM Internal Temperature Too High If an injector circuit code exists, perform diagnosis for that code first as a short will set this fault.-- Replace the Engine Control Module (ECM) -J623-. Refer to the Repair Manual.
P0638 17022 Throttle Actuator Control Range/Performance -- Check the Throttle Valve Control Module -GX3-. Refer to THROTTLE VALVE CONTROL MODULE CHECKING .
P0641 17025 Sensor Reference Voltage A Circuit Open -- If a related sensor voltage code is also set, refer to that sensor for diagnosis first. If no other related codes set, replace the Engine Control Module (ECM) -J623-. Refer to the Repair Manual.
P0651 17035 Sensor Reference Voltage B Circuit Open -- If a related sensor voltage code is also set, refer to that sensor for diagnosis first. If no other related codes set, replace the Engine Control Module (ECM) -J623-. Refer to the Repair Manual.
P0657 17041 Actuator Supply Voltage Circuit Open -- Check the Engine Control Module (ECM) Power Supply Relay -J271-. Refer to VOLTAGE SUPPLY, CHECKING .
P0658 17042 Actuator Supply Voltage Circuit Low -- Check the Engine Control Module (ECM) Power Supply Relay -J271-. Refer to VOLTAGE SUPPLY, CHECKING .
P0659 17043 Actuator Supply Voltage Circuit High -- Check the Engine Control Module (ECM) Power Supply Relay -J271-. Refer to VOLTAGE SUPPLY, CHECKING .
P0697 17081 Sensor Reference Voltage Circuit Open -- If a related sensor voltage code is also set, refer to that sensor for diagnosis first. If no other related codes set, replace the Engine Control Module (ECM) -J623-. Refer to the Repair Manual.
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