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9,253 diagnostic guides

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Find codes by symptomChoose what you notice to search matching code guides.

Rough idle or shakingVibration while stopped Hard to startLong cranking or no-start Engine stallsCuts out at idle or on the road Hesitates or loses powerSlow response when accelerating Battery light is onCharging system warning Harsh 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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Engine1049 Emissions515 Fuel1016 Sensors & Electronics2110 Transmission866 Electrical & Charging1797 Body & Restraints193 Chassis & Brakes479 Network & Communication1228

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Severity

All severities9253 Low priority305 Check soon8256 Urgent621

Code family

All families9253 P · Powertrain7353 B · Body193 C · Chassis479 U · Network1228

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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 937–960 of 8256

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P0310Cylinder 10 Misfire DetectedCheck soonEngine Problems30–120 minutes for initial diagnosisP0310 relates to cylinder 10 misfire detected. Check the fault conditions and vehicle-specific procedure before replacing parts.P0311Cylinder 11 Misfire DetectedCheck soonEngine Problems30–120 minutes for initial diagnosisP0311 relates to cylinder 11 misfire detected. Check the fault conditions and vehicle-specific procedure before replacing parts.P0312Cylinder 12 Misfire DetectedCheck soonEngine Problems30–120 minutes for initial diagnosisP0312 relates to cylinder 12 misfire detected. Check the fault conditions and vehicle-specific procedure before replacing parts.P0313Misfire Detected With Low FuelCheck soonFuel System30–120 minutes for initial diagnosisP0313 relates to misfire detected with low fuel. Check the fault conditions and vehicle-specific procedure before replacing parts.P0314Single Cylinder Misfire (Cylinder not Specified)Check soonEngine Problems30–120 minutes for initial diagnosisP0314 relates to single cylinder misfire (cylinder not specified). Check the fault conditions and vehicle-specific procedure before replacing parts.P0315Crankshaft Position System Variation Not LearnedCheck soonEngine Problems30–120 minutes for initial diagnosisP0315 relates to crankshaft position system variation not learned. Check the fault conditions and vehicle-specific procedure before replacing parts.P0317Rough Road Hardware Not PresentCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0317 relates to rough road hardware not present. Check the fault conditions and vehicle-specific procedure before replacing parts.P0318Rough Road Sensor A Signal CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0318 relates to rough road sensor a signal circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0319Rough Road Sensor B Signal CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0319 relates to rough road sensor b signal circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P031AIgnition C Control Signal Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP031A relates to ignition c control signal circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P031BIgnition C Control Signal Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP031B relates to ignition c control signal circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P031CIgnition C Control Signal Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP031C relates to ignition c control signal circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P031DIgnition D Control Signal Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP031D relates to ignition d control signal circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P031EIgnition D Control Signal Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP031E relates to ignition d control signal circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P031FIgnition D Control Signal Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP031F relates to ignition d control signal circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0320Ignition/Distributor Engine Speed Input CircuitCheck soonEngine Problems30–120 minutes for initial diagnosisP0320 relates to ignition/distributor engine speed input circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0321Ignition/Distributor Engine Speed Input Circuit Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP0321 relates to ignition/distributor engine speed input circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P0322Ignition/Distributor Engine Speed Input Circuit No SignalCheck soonEngine Problems30–120 minutes for initial diagnosisP0322 relates to ignition/distributor engine speed input circuit no signal. Check the fault conditions and vehicle-specific procedure before replacing parts.P0323Ignition/Distributor Engine Speed Input Circuit IntermittentCheck soonEngine Problems30–120 minutes for initial diagnosisP0323 relates to ignition/distributor engine speed input circuit intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P0324Knock/Combustion Vibration Control System ErrorCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0324 relates to knock/combustion vibration control system error. Check the fault conditions and vehicle-specific procedure before replacing parts.P0326Knock/Combustion Vibration Sensor A Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0326 relates to knock/combustion vibration sensor a circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P0328Knock/Combustion Vibration Sensor A Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0328 relates to knock/combustion vibration sensor a circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0329Knock/Combustion Vibration Sensor A Circuit IntermittentCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0329 relates to knock/combustion vibration sensor a circuit intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P032AKnock/Combustion Vibration Sensor C CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP032A relates to knock/combustion vibration sensor c circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.