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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 6529–6552 of 8256

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P2DD2Control Pilot Charging Switch B Intermittent/ErraticCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DD2 relates to control pilot charging switch b intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DD3Control Pilot Charging Switch B Stuck OffCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DD3 relates to control pilot charging switch b stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DD4Control Pilot Charging Switch B Stuck OnCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2DD4 relates to control pilot charging switch b stuck on. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DD5Fuel Injection Quantity B Lower Than ExpectedCheck soonFuel System30–120 minutes for initial diagnosisP2DD5 relates to fuel injection quantity b lower than expected. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DD6Fuel Injection Quantity B Higher Than ExpectedCheck soonFuel System30–120 minutes for initial diagnosisP2DD6 relates to fuel injection quantity b higher than expected. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DD7Cold Start Fuel Injection Quantity B Lower Than ExpectedCheck soonFuel System30–120 minutes for initial diagnosisP2DD7 relates to cold start fuel injection quantity b lower than expected. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DD8Cold Start Fuel Injection Quantity B Higher Than ExpectedCheck soonFuel System30–120 minutes for initial diagnosisP2DD8 relates to cold start fuel injection quantity b higher than expected. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DDCFuel Injection Quantity C Lower Than ExpectedCheck soonFuel System30–120 minutes for initial diagnosisP2DDC relates to fuel injection quantity c lower than expected. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DDDFuel Injection Quantity C Higher Than ExpectedCheck soonFuel System30–120 minutes for initial diagnosisP2DDD relates to fuel injection quantity c higher than expected. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DDEFuel Injection Quantity D Lower Than ExpectedCheck soonFuel System30–120 minutes for initial diagnosisP2DDE relates to fuel injection quantity d lower than expected. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DDFFuel Injection Quantity D Higher Than ExpectedCheck soonFuel System30–120 minutes for initial diagnosisP2DDF relates to fuel injection quantity d higher than expected. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DE0Cold Start Fuel Injection Quantity C Lower Than ExpectedCheck soonFuel System30–120 minutes for initial diagnosisP2DE0 relates to cold start fuel injection quantity c lower than expected. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DE1Cold Start Fuel Injection Quantity C Higher Than ExpectedCheck soonFuel System30–120 minutes for initial diagnosisP2DE1 relates to cold start fuel injection quantity c higher than expected. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DE2Cold Start Fuel Injection Quantity D Lower Than ExpectedCheck soonFuel System30–120 minutes for initial diagnosisP2DE2 relates to cold start fuel injection quantity d lower than expected. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DE3Cold Start Fuel Injection Quantity D Higher Than ExpectedCheck soonFuel System30–120 minutes for initial diagnosisP2DE3 relates to cold start fuel injection quantity d higher than expected. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DE4Drive Motor A Clutch Stuck EngagedCheck soonTransmission Issues30–120 minutes for initial diagnosisP2DE4 relates to drive motor a clutch stuck engaged. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DE5Drive Motor A Clutch Stuck DisengagedCheck soonTransmission Issues30–120 minutes for initial diagnosisP2DE5 relates to drive motor a clutch stuck disengaged. Check the fault conditions and vehicle-specific procedure before replacing parts.P2DE6Drive Motor A Clutch Actuator PerformanceCheck soonTransmission Issues30–120 minutes for initial diagnosisP2DE6 relates to drive motor a clutch actuator performance. 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.