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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.

Electrical & Charging System P · Powertrain Clear all

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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 1729–1752 of 1797

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P2DFACoolant Pump E Supply Voltage CircuitCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DFA relates to coolant pump e supply voltage circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DFCHybrid/EV Battery Coolant Leak DetectedCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DFC relates to hybrid/ev battery coolant leak detected. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E1ADrive Motor A Inverter Voltage Sensor A/B CorrelationCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E1A relates to drive motor a inverter voltage sensor a/b correlation. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E29Drive Motor A Excitation Current Sensor Circuit Low VoltageCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E29 relates to drive motor a excitation current sensor circuit low voltage. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E2ADrive Motor A Excitation Current Sensor Circuit High VoltageCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E2A relates to drive motor a excitation current sensor circuit high voltage. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E2CBattery Charger A Module Supply Voltage PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E2C relates to battery charger a module supply voltage performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E2DBattery Charger A Module Supply Voltage LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E2D relates to battery charger a module supply voltage low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E2EBattery Charger A Module Supply Voltage HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E2E relates to battery charger a module supply voltage high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E2FBattery Charger B Module Supply Voltage PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E2F relates to battery charger b module supply voltage performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E30Battery Charger B Module Supply Voltage LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E30 relates to battery charger b module supply voltage low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E31Battery Charger B Module Supply Voltage HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E31 relates to battery charger b module supply voltage high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E32Battery Charger A Module Forced Shutdown Voltage PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E32 relates to battery charger a module forced shutdown voltage performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E33Battery Charger A Module Forced Shutdown Voltage LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E33 relates to battery charger a module forced shutdown voltage low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E34Battery Charger A Module Forced Shutdown Voltage HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E34 relates to battery charger a module forced shutdown voltage high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E35Battery Charger B Enable Circuit/OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E35 relates to battery charger b enable circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E36Battery Charger B Enable Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E36 relates to battery charger b enable circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E37Battery Charger B Enable Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E37 relates to battery charger b enable circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E38Battery Charger B Enable Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E38 relates to battery charger b enable circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E39Battery Charger B FuseCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E39 relates to battery charger b fuse. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E3ABattery Charger B Output Voltage PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E3A relates to battery charger b output voltage performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E3BBattery Charger B Output Voltage Too LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E3B relates to battery charger b output voltage too low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E3CBattery Charger B Output Current PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E3C relates to battery charger b output current performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E3DBattery Charger B Output ShortedCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E3D relates to battery charger b output shorted. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E3EBattery Charger B Module Forced Shutdown Voltage PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E3E relates to battery charger b module forced shutdown voltage performance. Check the fault conditions and vehicle-specific procedure before replacing parts.