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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.

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 1345–1368 of 6682

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P06BCCylinder 4 Glow Plug Circuit Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP06BC relates to cylinder 4 glow plug circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06BDCylinder 5 Glow Plug Circuit Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP06BD relates to cylinder 5 glow plug circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06BECylinder 6 Glow Plug Circuit Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP06BE relates to cylinder 6 glow plug circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06BFCylinder 7 Glow Plug Circuit Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP06BF relates to cylinder 7 glow plug circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06C0Cylinder 8 Glow Plug Circuit Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP06C0 relates to cylinder 8 glow plug circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06C1Cylinder 9 Glow Plug Circuit Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP06C1 relates to cylinder 9 glow plug circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06C2Cylinder 10 Glow Plug Circuit Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP06C2 relates to cylinder 10 glow plug circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06C3Cylinder 11 Glow Plug Circuit Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP06C3 relates to cylinder 11 glow plug circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06C4Cylinder 12 Glow Plug Circuit Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP06C4 relates to cylinder 12 glow plug circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06C5Cylinder 1 Glow Plug IncorrectCheck soonEngine Problems30–120 minutes for initial diagnosisP06C5 relates to cylinder 1 glow plug incorrect. Check the fault conditions and vehicle-specific procedure before replacing parts.P06C6Cylinder 2 Glow Plug IncorrectCheck soonEngine Problems30–120 minutes for initial diagnosisP06C6 relates to cylinder 2 glow plug incorrect. Check the fault conditions and vehicle-specific procedure before replacing parts.P06C7Cylinder 3 Glow Plug IncorrectCheck soonEngine Problems30–120 minutes for initial diagnosisP06C7 relates to cylinder 3 glow plug incorrect. Check the fault conditions and vehicle-specific procedure before replacing parts.P06C8Cylinder 4 Glow Plug IncorrectCheck soonEngine Problems30–120 minutes for initial diagnosisP06C8 relates to cylinder 4 glow plug incorrect. Check the fault conditions and vehicle-specific procedure before replacing parts.P06C9Cylinder 5 Glow Plug IncorrectCheck soonEngine Problems30–120 minutes for initial diagnosisP06C9 relates to cylinder 5 glow plug incorrect. Check the fault conditions and vehicle-specific procedure before replacing parts.P06CACylinder 6 Glow Plug IncorrectCheck soonEngine Problems30–120 minutes for initial diagnosisP06CA relates to cylinder 6 glow plug incorrect. Check the fault conditions and vehicle-specific procedure before replacing parts.P06CBCylinder 7 Glow Plug IncorrectCheck soonEngine Problems30–120 minutes for initial diagnosisP06CB relates to cylinder 7 glow plug incorrect. Check the fault conditions and vehicle-specific procedure before replacing parts.P06CCCylinder 8 Glow Plug IncorrectCheck soonEngine Problems30–120 minutes for initial diagnosisP06CC relates to cylinder 8 glow plug incorrect. Check the fault conditions and vehicle-specific procedure before replacing parts.P06CDCylinder 9 Glow Plug IncorrectCheck soonEngine Problems30–120 minutes for initial diagnosisP06CD relates to cylinder 9 glow plug incorrect. Check the fault conditions and vehicle-specific procedure before replacing parts.P06CECylinder 10 Glow Plug IncorrectCheck soonEngine Problems30–120 minutes for initial diagnosisP06CE relates to cylinder 10 glow plug incorrect. Check the fault conditions and vehicle-specific procedure before replacing parts.P06CFCylinder 11 Glow Plug IncorrectCheck soonEngine Problems30–120 minutes for initial diagnosisP06CF relates to cylinder 11 glow plug incorrect. Check the fault conditions and vehicle-specific procedure before replacing parts.P06D0Cylinder 12 Glow Plug IncorrectCheck soonEngine Problems30–120 minutes for initial diagnosisP06D0 relates to cylinder 12 glow plug incorrect. Check the fault conditions and vehicle-specific procedure before replacing parts.P06D1Internal Control Module Ignition Coil Control PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06D1 relates to internal control module ignition coil control performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06D2Sensor Reference Voltage E Circuit/OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP06D2 relates to sensor reference voltage e circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P06D3Sensor Reference Voltage E Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP06D3 relates to sensor reference voltage e circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.