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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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Diagnostic codes

Showing 1273–1296 of 6682

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P0671Cylinder 1 Glow Plug Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP0671 relates to cylinder 1 glow plug circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P0672Cylinder 2 Glow Plug Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP0672 relates to cylinder 2 glow plug circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P0673Cylinder 3 Glow Plug Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP0673 relates to cylinder 3 glow plug circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P0674Cylinder 4 Glow Plug Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP0674 relates to cylinder 4 glow plug circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P0675Cylinder 5 Glow Plug Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP0675 relates to cylinder 5 glow plug circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P0676Cylinder 6 Glow Plug Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP0676 relates to cylinder 6 glow plug circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P0677Cylinder 7 Glow Plug Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP0677 relates to cylinder 7 glow plug circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P0678Cylinder 8 Glow Plug Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP0678 relates to cylinder 8 glow plug circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P0679Cylinder 9 Glow Plug Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP0679 relates to cylinder 9 glow plug circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.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.P0683Glow Plug Control Module 1 to PCM Communication CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0683 relates to glow plug control module 1 to pcm communication circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P0684Glow Plug Control Module 1 to PCM Communication Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP0684 relates to glow plug control module 1 to pcm communication circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P0685ECM/PCM Power Relay Control Circuit/OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP0685 relates to ecm/pcm power relay control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P0686ECM/PCM Power Relay Control Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP0686 relates to ecm/pcm power relay control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P0687ECM/PCM Power Relay Control Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP0687 relates to ecm/pcm power relay control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P0688ECM/PCM Power Relay Sense Circuit/OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP0688 relates to ecm/pcm power relay sense circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.