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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 625–648 of 833

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P2806Transmission Range Sensor AlignmentCheck soonTransmission Issues30–120 minutes for initial diagnosisP2806 relates to transmission range sensor alignment. Check the fault conditions and vehicle-specific procedure before replacing parts.P2807Pressure Control Solenoid GCheck soonTransmission Issues30–120 minutes for initial diagnosisP2807 relates to pressure control solenoid g. Check the fault conditions and vehicle-specific procedure before replacing parts.P2808Pressure Control Solenoid G Performance/Stuck OffCheck soonTransmission Issues30–120 minutes for initial diagnosisP2808 relates to pressure control solenoid g performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P2809Pressure Control Solenoid G Stuck OnCheck soonTransmission Issues30–120 minutes for initial diagnosisP2809 relates to pressure control solenoid g stuck on. Check the fault conditions and vehicle-specific procedure before replacing parts.P280ATransmission Range Sensor A Circuit Not LearnedCheck soonTransmission Issues30–120 minutes for initial diagnosisP280A relates to transmission range sensor a circuit not learned. Check the fault conditions and vehicle-specific procedure before replacing parts.P280BTransmission Range Sensor B Circuit Not LearnedCheck soonTransmission Issues30–120 minutes for initial diagnosisP280B relates to transmission range sensor b circuit not learned. Check the fault conditions and vehicle-specific procedure before replacing parts.P2810Pressure Control Solenoid G ElectricalCheck soonTransmission Issues30–120 minutes for initial diagnosisP2810 relates to pressure control solenoid g electrical. Check the fault conditions and vehicle-specific procedure before replacing parts.P2811Pressure Control Solenoid G IntermittentCheck soonTransmission Issues30–120 minutes for initial diagnosisP2811 relates to pressure control solenoid g intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P2812Pressure Control Solenoid G Control Circuit/OpenCheck soonTransmission Issues30–120 minutes for initial diagnosisP2812 relates to pressure control solenoid g control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2813Pressure Control Solenoid G Control Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP2813 relates to pressure control solenoid g control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2814Pressure Control Solenoid G Control Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP2814 relates to pressure control solenoid g control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2815Pressure Control Solenoid G Control Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP2815 relates to pressure control solenoid g control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2816Pressure Control Solenoid HCheck soonTransmission Issues30–120 minutes for initial diagnosisP2816 relates to pressure control solenoid h. Check the fault conditions and vehicle-specific procedure before replacing parts.P2817Pressure Control Solenoid H Performance/Stuck OffCheck soonTransmission Issues30–120 minutes for initial diagnosisP2817 relates to pressure control solenoid h performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P2818Pressure Control Solenoid H Stuck OnCheck soonTransmission Issues30–120 minutes for initial diagnosisP2818 relates to pressure control solenoid h stuck on. Check the fault conditions and vehicle-specific procedure before replacing parts.P2819Pressure Control Solenoid H ElectricalCheck soonTransmission Issues30–120 minutes for initial diagnosisP2819 relates to pressure control solenoid h electrical. Check the fault conditions and vehicle-specific procedure before replacing parts.P281APressure Control Solenoid H IntermittentCheck soonTransmission Issues30–120 minutes for initial diagnosisP281A relates to pressure control solenoid h intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P281BPressure Control Solenoid H Control Circuit/OpenCheck soonTransmission Issues30–120 minutes for initial diagnosisP281B relates to pressure control solenoid h control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P281CPressure Control Solenoid H Control Circuit Range/PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP281C relates to pressure control solenoid h control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P281DPressure Control Solenoid H Control Circuit LowCheck soonTransmission Issues30–120 minutes for initial diagnosisP281D relates to pressure control solenoid h control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P281EPressure Control Solenoid H Control Circuit HighCheck soonTransmission Issues30–120 minutes for initial diagnosisP281E relates to pressure control solenoid h control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P281FPressure Control Solenoid JCheck soonTransmission Issues30–120 minutes for initial diagnosisP281F relates to pressure control solenoid j. Check the fault conditions and vehicle-specific procedure before replacing parts.P2820Pressure Control Solenoid J Performance/Stuck OffCheck soonTransmission Issues30–120 minutes for initial diagnosisP2820 relates to pressure control solenoid j performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P2821Pressure Control Solenoid J Stuck OnCheck soonTransmission Issues30–120 minutes for initial diagnosisP2821 relates to pressure control solenoid j stuck on. Check the fault conditions and vehicle-specific procedure before replacing parts.