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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

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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 289–312 of 987

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P067ACylinder 4 Glow Plug Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP067A relates to cylinder 4 glow plug control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P067BCylinder 4 Glow Plug Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP067B relates to cylinder 4 glow plug control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P067CCylinder 5 Glow Plug Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP067C relates to cylinder 5 glow plug control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P067DCylinder 5 Glow Plug Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP067D relates to cylinder 5 glow plug control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P067ECylinder 6 Glow Plug Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP067E relates to cylinder 6 glow plug control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P067FCylinder 6 Glow Plug Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP067F relates to cylinder 6 glow plug control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0680Cylinder 10 Glow Plug Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP0680 relates to cylinder 10 glow plug circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P0681Cylinder 11 Glow Plug Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP0681 relates to cylinder 11 glow plug circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P0682Cylinder 12 Glow Plug Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP0682 relates to cylinder 12 glow plug circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P068CCylinder 7 Glow Plug Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP068C relates to cylinder 7 glow plug control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P068DCylinder 7 Glow Plug Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP068D relates to cylinder 7 glow plug control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P068ECylinder 8 Glow Plug Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP068E relates to cylinder 8 glow plug control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P068FCylinder 8 Glow Plug Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP068F relates to cylinder 8 glow plug control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0691Fan 1 Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP0691 relates to fan 1 control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P0692Fan 1 Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP0692 relates to fan 1 control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0693Fan 2 Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP0693 relates to fan 2 control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P0694Fan 2 Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP0694 relates to fan 2 control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0695Fan 3 Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP0695 relates to fan 3 control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P0696Fan 3 Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP0696 relates to fan 3 control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P069ACylinder 9 Glow Plug Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP069A relates to cylinder 9 glow plug control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P069BCylinder 9 Glow Plug Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP069B relates to cylinder 9 glow plug control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P069CCylinder 10 Glow Plug Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP069C relates to cylinder 10 glow plug control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P069DCylinder 10 Glow Plug Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP069D relates to cylinder 10 glow plug control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P06B9Cylinder 1 Glow Plug Circuit Range/PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP06B9 relates to cylinder 1 glow plug circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.