Diagnostic library
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Search the code from your scanner, then narrow the library by system, severity, or code family.
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 745–768 of 1049
P2C0FA Camshaft Profile Actuator Position Sensor C Circuit Low Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP2C10A Camshaft Profile Actuator Position Sensor C Circuit High Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP2C12B Camshaft Profile Actuator Position Sensor A Circuit Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP2C13B Camshaft Profile Actuator Position Sensor A Range/Performance Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP2C14B Camshaft Profile Actuator Position Sensor A Circuit Low Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP2C15B Camshaft Profile Actuator Position Sensor A Circuit High Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP2C16B Camshaft Profile Actuator Position Sensor B Circuit Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP2C17B Camshaft Profile Actuator Position Sensor B Range/Performance Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP2C18B Camshaft Profile Actuator Position Sensor B Circuit Low Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP2C19B Camshaft Profile Actuator Position Sensor B Circuit High Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP2C1AB Camshaft Profile Actuator Position Sensor C Circuit Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP2C1BB Camshaft Profile Actuator Position Sensor C Range/Performance Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP2C1CB Camshaft Profile Actuator Position Sensor C Circuit Low Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP2C1DB Camshaft Profile Actuator Position Sensor C Circuit High Bank 1Check soonEngine Problems30–120 minutes for initial diagnosisP2C37Cold Start Engine Coolant Pump PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2C38Cylinder Head Temperature Sensor B CircuitCheck soonEngine Problems30–120 minutes for initial diagnosisP2C39Cylinder Head Temperature Sensor B Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2C3ACylinder Head Temperature Sensor B Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP2C3BCylinder Head Temperature Sensor B Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP2C3CCylinder Head Temperature Sensor B Circuit Intermittent/ErraticCheck soonEngine Problems30–120 minutes for initial diagnosisP2C3DCylinder Head Temperature Sensor A/B CorrelationCheck soonEngine Problems30–120 minutes for initial diagnosisP2C3EFan 4 Control CircuitCheck soonEngine Problems30–120 minutes for initial diagnosisP2C3FFan 4 Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP2C40Fan 4 Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosis