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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.

Engine Problems 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 817–840 of 1049

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P2D0EMotor Electronics Coolant Pump C Control Module OvertemperatureCheck soonEngine Problems30–120 minutes for initial diagnosisP2D0E relates to motor electronics coolant pump c control module overtemperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D26Coolant Pump E Control Circuit Performance/Stuck OffCheck soonEngine Problems30–120 minutes for initial diagnosisP2D26 relates to coolant pump e control circuit performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D27Coolant Pump F Control Circuit Performance/Stuck OffCheck soonEngine Problems30–120 minutes for initial diagnosisP2D27 relates to coolant pump f control circuit performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D2AHybrid/EV Electronics Coolant Temperature Sensor A/B CorrelationCheck soonEngine Problems30–120 minutes for initial diagnosisP2D2A relates to hybrid/ev electronics coolant temperature sensor a/b correlation. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D2CEngine Coolant Temperature Measurement System - Multiple Sensor CorrelationCheck soonEngine Problems30–120 minutes for initial diagnosisP2D2C relates to engine coolant temperature measurement system - multiple sensor correlation. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D87Fan 1 Control Module Over TemperatureUrgentEngine Problems30–120 minutes for initial diagnosisP2D87 relates to fan 1 control module over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D88Fan 1 Control Module PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2D88 relates to fan 1 control module performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D8AFan 2 Control Module Over TemperatureUrgentEngine Problems30–120 minutes for initial diagnosisP2D8A relates to fan 2 control module over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D8BFan 2 Control Module PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2D8B relates to fan 2 control module performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D8EEngine Oil Pressure Sensor/Switch C CircuitCheck soonEngine Problems30–120 minutes for initial diagnosisP2D8E relates to engine oil pressure sensor/switch c circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D8FEngine Oil Pressure Sensor/Switch C Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP2D8F relates to engine oil pressure sensor/switch c circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D90Engine Oil Pressure Sensor/Switch C Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP2D90 relates to engine oil pressure sensor/switch c circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D91Engine Oil Pressure Sensor/Switch C Circuit Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2D91 relates to engine oil pressure sensor/switch c circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DA4Coolant Heater A Internal Control Module PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2DA4 relates to coolant heater a internal control module performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DA6Coolant Heater A Over TemperatureUrgentEngine Problems30–120 minutes for initial diagnosisP2DA6 relates to coolant heater a over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DE7Cold Start Engine Coolant Bypass Valve C Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2DE7 relates to cold start engine coolant bypass valve c range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DE8Cold Start Engine Coolant Bypass Valve D Stuck OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP2DE8 relates to cold start engine coolant bypass valve d stuck open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DE9Cold Start Engine Coolant Pump UnderspeedCheck soonEngine Problems30–120 minutes for initial diagnosisP2DE9 relates to cold start engine coolant pump underspeed. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DEACylinder 1 Intake Valve Lift Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2DEA relates to cylinder 1 intake valve lift range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DEBCylinder 2 Intake Valve Lift Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2DEB relates to cylinder 2 intake valve lift range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DECCylinder 3 Intake Valve Lift Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2DEC relates to cylinder 3 intake valve lift range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DEDCylinder 4 Intake Valve Lift Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2DED relates to cylinder 4 intake valve lift range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DEECylinder 5 Intake Valve Lift Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2DEE relates to cylinder 5 intake valve lift range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DEFCylinder 6 Intake Valve Lift Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP2DEF relates to cylinder 6 intake valve lift range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.