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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.

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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 889–912 of 987

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P3475Cylinder 10 Deactivation/Intake Valve Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP3475 relates to cylinder 10 deactivation/intake valve control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P3476Cylinder 10 Deactivation/Intake Valve Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP3476 relates to cylinder 10 deactivation/intake valve control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P3477Cylinder 10 Exhaust Valve Control Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP3477 relates to cylinder 10 exhaust valve control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P3478Cylinder 10 Exhaust Valve Control Circuit PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP3478 relates to cylinder 10 exhaust valve control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P3479Cylinder 10 Exhaust Valve Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP3479 relates to cylinder 10 exhaust valve control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P3480Cylinder 10 Exhaust Valve Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP3480 relates to cylinder 10 exhaust valve control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P3481Cylinder 11 Deactivation/Intake Valve Control Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP3481 relates to cylinder 11 deactivation/intake valve control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P3482Cylinder 11 Deactivation/Intake Valve Control Circuit PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP3482 relates to cylinder 11 deactivation/intake valve control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P3483Cylinder 11 Deactivation/Intake Valve Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP3483 relates to cylinder 11 deactivation/intake valve control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P3484Cylinder 11 Deactivation/Intake Valve Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP3484 relates to cylinder 11 deactivation/intake valve control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P3485Cylinder 11 Exhaust Valve Control Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP3485 relates to cylinder 11 exhaust valve control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P3486Cylinder 11 Exhaust Valve Control Circuit PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP3486 relates to cylinder 11 exhaust valve control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P3487Cylinder 11 Exhaust Valve Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP3487 relates to cylinder 11 exhaust valve control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P3488Cylinder 11 Exhaust Valve Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP3488 relates to cylinder 11 exhaust valve control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P3489Cylinder 12 Deactivation/Intake Valve Control Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP3489 relates to cylinder 12 deactivation/intake valve control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P3490Cylinder 12 Deactivation/Intake Valve Control Circuit PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP3490 relates to cylinder 12 deactivation/intake valve control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P3491Cylinder 12 Deactivation/Intake Valve Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP3491 relates to cylinder 12 deactivation/intake valve control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P3492Cylinder 12 Deactivation/Intake Valve Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP3492 relates to cylinder 12 deactivation/intake valve control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P3493Cylinder 12 Exhaust Valve Control Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP3493 relates to cylinder 12 exhaust valve control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P3494Cylinder 12 Exhaust Valve Control Circuit PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP3494 relates to cylinder 12 exhaust valve control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P3495Cylinder 12 Exhaust Valve Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP3495 relates to cylinder 12 exhaust valve control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P3496Cylinder 12 Exhaust Valve Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP3496 relates to cylinder 12 exhaust valve control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P3497Cylinder Deactivation System Bank 2Check soonEngine Problems30–120 minutes for initial diagnosisP3497 relates to cylinder deactivation system bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P3498Cylinder 1 Deactivation/Intake Valve PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP3498 relates to cylinder 1 deactivation/intake valve performance. Check the fault conditions and vehicle-specific procedure before replacing parts.