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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.

Engine Problems 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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Diagnostic codes

Showing 889–912 of 1049

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P3419Cylinder 3 Deactivation/Intake Valve Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP3419 relates to cylinder 3 deactivation/intake valve control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P3420Cylinder 3 Deactivation/Intake Valve Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP3420 relates to cylinder 3 deactivation/intake valve control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P3421Cylinder 3 Exhaust Valve Control Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP3421 relates to cylinder 3 exhaust valve control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P3422Cylinder 3 Exhaust Valve Control Circuit PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP3422 relates to cylinder 3 exhaust valve control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P3423Cylinder 3 Exhaust Valve Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP3423 relates to cylinder 3 exhaust valve control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P3424Cylinder 3 Exhaust Valve Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP3424 relates to cylinder 3 exhaust valve control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P3425Cylinder 4 Deactivation/Intake Valve Control Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP3425 relates to cylinder 4 deactivation/intake valve control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P3426Cylinder 4 Deactivation/Intake Valve Control Circuit PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP3426 relates to cylinder 4 deactivation/intake valve control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P3427Cylinder 4 Deactivation/Intake Valve Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP3427 relates to cylinder 4 deactivation/intake valve control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P3428Cylinder 4 Deactivation/Intake Valve Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP3428 relates to cylinder 4 deactivation/intake valve control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P3429Cylinder 4 Exhaust Valve Control Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP3429 relates to cylinder 4 exhaust valve control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P3430Cylinder 4 Exhaust Valve Control Circuit PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP3430 relates to cylinder 4 exhaust valve control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P3431Cylinder 4 Exhaust Valve Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP3431 relates to cylinder 4 exhaust valve control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P3432Cylinder 4 Exhaust Valve Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP3432 relates to cylinder 4 exhaust valve control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P3433Cylinder 5 Deactivation/Intake Valve Control Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP3433 relates to cylinder 5 deactivation/intake valve control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P3434Cylinder 5 Deactivation/Intake Valve Control Circuit PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP3434 relates to cylinder 5 deactivation/intake valve control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P3435Cylinder 5 Deactivation/Intake Valve Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP3435 relates to cylinder 5 deactivation/intake valve control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P3436Cylinder 5 Deactivation/Intake Valve Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP3436 relates to cylinder 5 deactivation/intake valve control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P3437Cylinder 5 Exhaust Valve Control Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP3437 relates to cylinder 5 exhaust valve control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P3438Cylinder 5 Exhaust Valve Control Circuit PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP3438 relates to cylinder 5 exhaust valve control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P3439Cylinder 5 Exhaust Valve Control Circuit LowCheck soonEngine Problems30–120 minutes for initial diagnosisP3439 relates to cylinder 5 exhaust valve control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P3440Cylinder 5 Exhaust Valve Control Circuit HighCheck soonEngine Problems30–120 minutes for initial diagnosisP3440 relates to cylinder 5 exhaust valve control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P3441Cylinder 6 Deactivation/Intake Valve Control Circuit/OpenCheck soonEngine Problems30–120 minutes for initial diagnosisP3441 relates to cylinder 6 deactivation/intake valve control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P3442Cylinder 6 Deactivation/Intake Valve Control Circuit PerformanceCheck soonEngine Problems30–120 minutes for initial diagnosisP3442 relates to cylinder 6 deactivation/intake valve control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.