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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.

Check soon 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 6049–6072 of 6682

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P2D37Hybrid/EV Battery Inductive Charger Input Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D37 relates to hybrid/ev battery inductive charger input circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D38Hybrid/EV Battery Pack Heater PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D38 relates to hybrid/ev battery pack heater performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D39Forced Hybrid/EV Battery DisconnectCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D39 relates to forced hybrid/ev battery disconnect. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D3AForced Hybrid/EV System ShutdownCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2D3A relates to forced hybrid/ev system shutdown. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D3BHybrid/EV Discharge System FaultCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2D3B relates to hybrid/ev discharge system fault. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D3CCold Start Hybrid/EV Drive Motor PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2D3C relates to cold start hybrid/ev drive motor performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D3DCold Start Hybrid/EV Drive Motor Inverter Torque PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2D3D relates to cold start hybrid/ev drive motor inverter torque performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D3ECold Start Hybrid/EV Battery PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D3E relates to cold start hybrid/ev battery performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D3FHybrid/EV Battery Cooling System B PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D3F relates to hybrid/ev battery cooling system b performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D40Hybrid/EV Battery Cooling System C PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D40 relates to hybrid/ev battery cooling system c performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D41A/C Compressor Motor Voltage B PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D41 relates to a/c compressor motor voltage b performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D42A/C Compressor Motor Voltage B LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D42 relates to a/c compressor motor voltage b low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D43A/C Compressor Motor Voltage B HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D43 relates to a/c compressor motor voltage b high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D44A/C Compressor Motor PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2D44 relates to a/c compressor motor performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D45Reductant Temperature Too LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2D45 relates to reductant temperature too low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D51Air Assisted Injector Control CircuitCheck soonFuel System30–120 minutes for initial diagnosisP2D51 relates to air assisted injector control circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D52Hybrid/EV Battery Pack Coolant Temperature Sensor C CircuitCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D52 relates to hybrid/ev battery pack coolant temperature sensor c circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D53Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D53 relates to hybrid/ev battery pack coolant temperature sensor c circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D54Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D54 relates to hybrid/ev battery pack coolant temperature sensor c circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D55Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D55 relates to hybrid/ev battery pack coolant temperature sensor c circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D56Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit Intermittent/ErraticCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D56 relates to hybrid/ev battery pack coolant temperature sensor c circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D57Generator B Control Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D57 relates to generator b control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D58Generator B Mechanical PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D58 relates to generator b mechanical performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D5AReductant Level Sensor A/B CorrelationCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2D5A relates to reductant level sensor a/b correlation. Check the fault conditions and vehicle-specific procedure before replacing parts.