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9,253 diagnostic guides
Find codes by symptomChoose what you notice to search matching code guides.
Rough idle or shakingVibration while stoppedHard to startLong cranking or no-startEngine stallsCuts out at idle or on the roadHesitates or loses powerSlow response when acceleratingBattery light is onCharging system warningHarsh gear changesDelayed or rough shifting
A symptom can have several causes. Treat matching codes as clues and follow the diagnostic checks in each guide.
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These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.
Diagnostic codes
Showing 3769–3792 of 6682
P22C4O2 Sensor Pumping Current Trim Circuit High Bank 2 Sensor 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP22C5Turbocharger Compressor Outlet Valve Control Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22C6Turbocharger Compressor Outlet Valve Control Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22C7Turbocharger Compressor Outlet Valve Control Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22C8Turbocharger Compressor Outlet Valve Stuck OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22C9Turbocharger Compressor Outlet Valve Stuck ClosedCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22CATurbocharger Compressor Outlet Switching Valve Control Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22CBTurbocharger Compressor Outlet Switching Valve Control Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22CCTurbocharger Compressor Outlet Switching Valve Control Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22CDTurbocharger Compressor Outlet Switching Valve Stuck OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22CETurbocharger Compressor Outlet Switching Valve Stuck ClosedCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22CFTurbocharger Turbine Inlet Valve Control Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22D0Turbocharger Turbine Inlet Valve Control Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22D1Turbocharger Turbine Inlet Valve Control Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22D2Turbocharger Turbine Inlet Valve Stuck OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22D3Turbocharger Turbine Inlet Valve Stuck ClosedCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22D4Turbocharger Turbine Inlet Valve Position Sensor CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22D5Turbocharger Turbine Inlet Valve Position Sensor Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22D6Turbocharger Turbine Inlet Valve Position Sensor Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22D7Turbocharger Turbine Inlet Valve Position Sensor Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22D8Turbocharger Turbine Inlet Valve Position Sensor Circuit Intermittent/ErraticCheck soonSensors & Electronics30–120 minutes for initial diagnosisP22D9Cylinder 1 Alternative Fuel Injector Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP22DACylinder 1 Alternative Fuel Injector Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP22DBCylinder 1 Alternative Fuel Injector Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosis