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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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All severities9253 Low priority305 Check soon8256 Urgent621

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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 601–624 of 1939

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P07FCUnable to Engage Gear 10Check soonSensors & Electronics30–120 minutes for initial diagnosisP07FC relates to unable to engage gear 10. Check the fault conditions and vehicle-specific procedure before replacing parts.P07FEStuck In Gear - Not SpecifiedCheck soonSensors & Electronics30–120 minutes for initial diagnosisP07FE relates to stuck in gear - not specified. Check the fault conditions and vehicle-specific procedure before replacing parts.P0801Reverse Inhibit Control Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0801 relates to reverse inhibit control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P0812Reverse Input CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0812 relates to reverse input circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0813Reverse Output CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0813 relates to reverse output circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0817Starter Disable Circuit/OpenCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0817 relates to starter disable circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P0818Driveline Disconnect Switch Input CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0818 relates to driveline disconnect switch input circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P081AStarter Disable Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP081A relates to starter disable circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P081BStarter Disable Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP081B relates to starter disable circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P081CPark Input CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP081C relates to park input circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P081DNeutral Input CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP081D relates to neutral input circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0820Gear Lever X-Y Position Sensor CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0820 relates to gear lever x-y position sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0821Gear Lever X Position Sensor 1 CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0821 relates to gear lever x position sensor 1 circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0822Gear Lever Y Position Sensor 1 CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0822 relates to gear lever y position sensor 1 circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0823Gear Lever X Position Sensor 1 Circuit Intermittent/ErraticCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0823 relates to gear lever x position sensor 1 circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P0824Gear Lever Y Position Sensor 1 Circuit Intermittent/ErraticCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0824 relates to gear lever y position sensor 1 circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P082AGear Lever X Position Sensor 1 Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP082A relates to gear lever x position sensor 1 circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P082BGear Lever X Position Sensor 1 Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP082B relates to gear lever x position sensor 1 circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P082CGear Lever X Position Sensor 1 Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP082C relates to gear lever x position sensor 1 circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P082DGear Lever Y Position Sensor 1 Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP082D relates to gear lever y position sensor 1 circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P082EGear Lever Y Position Sensor 1 Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP082E relates to gear lever y position sensor 1 circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P082FGear Lever Y Position Sensor 1 Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP082F relates to gear lever y position sensor 1 circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0836Four Wheel Drive (4WD) Switch CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0836 relates to four wheel drive (4wd) switch circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0837Four Wheel Drive (4WD) Switch Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0837 relates to four wheel drive (4wd) switch circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.