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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 289–312 of 6682
P01B0Alternative Fuel Tank A Level Sensor Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP01B1Alternative Fuel Tank A Level Sensor Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP01B2Alternative Fuel Tank A Level Sensor Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP01B3Alternative Fuel Tank A Level Sensor Circuit Intermittent/ErraticCheck soonFuel System30–120 minutes for initial diagnosisP01B4Alternative Fuel Rail Temperature Sensor CircuitCheck soonFuel System30–120 minutes for initial diagnosisP01B5Alternative Fuel Rail Temperature Sensor PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP01B6Alternative Fuel Rail Temperature Sensor Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP01B7Alternative Fuel Rail Temperature Sensor Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP01B8Alternative Fuel Rail Temperature Sensor Circuit Intermittent/ErraticCheck soonFuel System30–120 minutes for initial diagnosisP01B9Engine Oil Temperature Sensor B CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP01BAEngine Oil Temperature Sensor B Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP01BBEngine Oil Temperature Sensor B Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP01BCEngine Oil Temperature Sensor B Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP01BDEngine Oil Temperature Sensor B Circuit Intermittent/ErraticCheck soonSensors & Electronics30–120 minutes for initial diagnosisP01BEFuel Rail Pressure Sensor Circuit Bank 2Check soonFuel System30–120 minutes for initial diagnosisP01BFFuel Rail Pressure Sensor Circuit Range/Performance Bank 2Check soonFuel System30–120 minutes for initial diagnosisP01C0Fuel Rail Pressure Sensor Circuit Low Bank 2Check soonFuel System30–120 minutes for initial diagnosisP01C1Fuel Rail Pressure Sensor Circuit High Bank 2Check soonFuel System30–120 minutes for initial diagnosisP01C2Fuel Rail Pressure Sensor Circuit Intermittent/Erratic Bank 2Check soonFuel System30–120 minutes for initial diagnosisP01C3Fuel Pressure Sensor A CircuitCheck soonFuel System30–120 minutes for initial diagnosisP01C4Fuel Pressure Sensor A Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP01C5Fuel Pressure Sensor A Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP01C6Fuel Pressure Sensor A Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP01C7Fuel Pressure Sensor A Circuit Intermittent/ErraticCheck soonFuel System30–120 minutes for initial diagnosis