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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.

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Engine1049 Emissions515 Fuel1016 Sensors & Electronics2110 Transmission866 Electrical & Charging1797 Body & Restraints193 Chassis & Brakes479 Network & Communication1228

FiltersSeverity · family

Severity

All severities9253 Low priority305 Check soon8256 Urgent621

Code family

All families9253 P · Powertrain7353 B · Body193 C · Chassis479 U · Network1228

Vehicle coverage

These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.

Diagnostic codes

Showing 2233–2256 of 9253

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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.P06D4Sensor Reference Voltage E Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP06D4 relates to sensor reference voltage e circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P06D5Sensor Reference Voltage E Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP06D5 relates to sensor reference voltage e circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06D6Sensor Reference Voltage F Circuit/OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP06D6 relates to sensor reference voltage f circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P06D7Sensor Reference Voltage F Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP06D7 relates to sensor reference voltage f circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P06D8Sensor Reference Voltage F Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP06D8 relates to sensor reference voltage f circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P06D9Sensor Reference Voltage F Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP06D9 relates to sensor reference voltage f circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06DAEngine Oil Pressure Control Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP06DA relates to engine oil pressure control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P06DBEngine Oil Pressure Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP06DB relates to engine oil pressure control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P06DCEngine Oil Pressure Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP06DC relates to engine oil pressure control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P06DDEngine Oil Pressure Control Circuit Performance/Stuck OffCheck soonEngine Problems30–120 minutes for initial diagnosisP06DD relates to engine oil pressure control circuit performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P06DEEngine Oil Pressure Control Circuit Stuck OnCheck soonEngine Problems30–120 minutes for initial diagnosisP06DE relates to engine oil pressure control circuit stuck on. Check the fault conditions and vehicle-specific procedure before replacing parts.P06DFGlow Plug Control Module 1 Memory Checksum ErrorCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06DF relates to glow plug control module 1 memory checksum error. Check the fault conditions and vehicle-specific procedure before replacing parts.P06E0Cylinder 11 Glow Plug Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP06E0 relates to cylinder 11 glow plug control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P06E1Cylinder 11 Glow Plug Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP06E1 relates to cylinder 11 glow plug control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P06E2Cylinder 12 Glow Plug Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP06E2 relates to cylinder 12 glow plug control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P06E3Cylinder 12 Glow Plug Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP06E3 relates to cylinder 12 glow plug control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P06E4Control Module Wake-up Circuit PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06E4 relates to control module wake-up circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06E5Glow Plug Control Module 1 PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP06E5 relates to glow plug control module 1 performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P06E6Sensor Power Supply C Circuit/OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP06E6 relates to sensor power supply c circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.