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

Diagnostic codes

Showing 529–552 of 975

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P22DDCylinder 2 Alternative Fuel Injector Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP22DD relates to cylinder 2 alternative fuel injector control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P22DECylinder 2 Alternative Fuel Injector Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP22DE relates to cylinder 2 alternative fuel injector control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P22DFCylinder 2 Alternative Fuel Injector Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP22DF relates to cylinder 2 alternative fuel injector control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P22E0Cylinder 2 Alternative Fuel Injector Control Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP22E0 relates to cylinder 2 alternative fuel injector control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P22E1Cylinder 3 Alternative Fuel Injector Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP22E1 relates to cylinder 3 alternative fuel injector control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P22E2Cylinder 3 Alternative Fuel Injector Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP22E2 relates to cylinder 3 alternative fuel injector control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P22E3Cylinder 3 Alternative Fuel Injector Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP22E3 relates to cylinder 3 alternative fuel injector control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P22E4Cylinder 3 Alternative Fuel Injector Control Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP22E4 relates to cylinder 3 alternative fuel injector control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P22E5Cylinder 4 Alternative Fuel Injector Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP22E5 relates to cylinder 4 alternative fuel injector control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P22E6Cylinder 4 Alternative Fuel Injector Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP22E6 relates to cylinder 4 alternative fuel injector control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P22E7Cylinder 4 Alternative Fuel Injector Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP22E7 relates to cylinder 4 alternative fuel injector control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P22E8Cylinder 4 Alternative Fuel Injector Control Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP22E8 relates to cylinder 4 alternative fuel injector control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P22E9Cylinder 5 Alternative Fuel Injector Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP22E9 relates to cylinder 5 alternative fuel injector control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P22EACylinder 5 Alternative Fuel Injector Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP22EA relates to cylinder 5 alternative fuel injector control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P22EBCylinder 5 Alternative Fuel Injector Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP22EB relates to cylinder 5 alternative fuel injector control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P22ECCylinder 5 Alternative Fuel Injector Control Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP22EC relates to cylinder 5 alternative fuel injector control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P22EDCylinder 6 Alternative Fuel Injector Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP22ED relates to cylinder 6 alternative fuel injector control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P22EECylinder 6 Alternative Fuel Injector Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP22EE relates to cylinder 6 alternative fuel injector control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P22EFCylinder 6 Alternative Fuel Injector Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP22EF relates to cylinder 6 alternative fuel injector control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P22F0Cylinder 6 Alternative Fuel Injector Control Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP22F0 relates to cylinder 6 alternative fuel injector control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P22F1Cylinder 7 Alternative Fuel Injector Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP22F1 relates to cylinder 7 alternative fuel injector control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P22F2Cylinder 7 Alternative Fuel Injector Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP22F2 relates to cylinder 7 alternative fuel injector control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P22F3Cylinder 7 Alternative Fuel Injector Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP22F3 relates to cylinder 7 alternative fuel injector control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P22F4Cylinder 7 Alternative Fuel Injector Control Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP22F4 relates to cylinder 7 alternative fuel injector control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.