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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 Urgent Clear all

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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 193–200 of 200

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P2D4AHybrid/EV Battery Pack F Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4A relates to hybrid/ev battery pack f over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D4BHybrid/EV Battery Pack G Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4B relates to hybrid/ev battery pack g over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D4CHybrid/EV Battery Pack H Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4C relates to hybrid/ev battery pack h over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D4DHybrid/EV Battery Pack I Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4D relates to hybrid/ev battery pack i over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D4EHybrid/EV Battery Pack J Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4E relates to hybrid/ev battery pack j over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D4FHybrid/EV Battery Pack K Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4F relates to hybrid/ev battery pack k over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D50Hybrid/EV Battery Pack L Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D50 relates to hybrid/ev battery pack l over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D59Generator B Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D59 relates to generator b over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.