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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 745–768 of 1016

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P2A14Injection Pump Fuel Metering Control C Low (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A14 relates to injection pump fuel metering control c low (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A15Injection Pump Fuel Metering Control C High (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A15 relates to injection pump fuel metering control c high (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A16Injection Pump Fuel Metering Control D (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A16 relates to injection pump fuel metering control d (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A17Injection Pump Fuel Metering Control D Range/Performance (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A17 relates to injection pump fuel metering control d range/performance (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A18Injection Pump Fuel Metering Control D Low (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A18 relates to injection pump fuel metering control d low (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A19Injection Pump Fuel Metering Control D High (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A19 relates to injection pump fuel metering control d high (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A1AInjection Pump Fuel Metering Control E (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A1A relates to injection pump fuel metering control e (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A1BInjection Pump Fuel Metering Control E Range/Performance (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A1B relates to injection pump fuel metering control e range/performance (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A1CInjection Pump Fuel Metering Control E Low (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A1C relates to injection pump fuel metering control e low (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A1DInjection Pump Fuel Metering Control E High (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A1D relates to injection pump fuel metering control e high (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A1EInjection Pump Fuel Metering Control F (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A1E relates to injection pump fuel metering control f (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A1FInjection Pump Fuel Metering Control F Range/Performance (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A1F relates to injection pump fuel metering control f range/performance (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A20Injection Pump Fuel Metering Control F Low (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A20 relates to injection pump fuel metering control f low (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A21Injection Pump Fuel Metering Control F High (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A21 relates to injection pump fuel metering control f high (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A22Alternative Fuel Tank Shutoff Valve B Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP2A22 relates to alternative fuel tank shutoff valve b control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A23Alternative Fuel Tank Shutoff Valve B Control Circuit Performance/Stuck OffCheck soonFuel System30–120 minutes for initial diagnosisP2A23 relates to alternative fuel tank shutoff valve b control circuit performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A24Alternative Fuel Tank Shutoff Valve B Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP2A24 relates to alternative fuel tank shutoff valve b control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A25Alternative Fuel Tank Shutoff Valve B Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP2A25 relates to alternative fuel tank shutoff valve b control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A26Alternative Fuel Tank Shutoff Valve C Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP2A26 relates to alternative fuel tank shutoff valve c control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A27Alternative Fuel Tank Shutoff Valve C Control Circuit Performance/Stuck OffCheck soonFuel System30–120 minutes for initial diagnosisP2A27 relates to alternative fuel tank shutoff valve c control circuit performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A28Alternative Fuel Tank Shutoff Valve C Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP2A28 relates to alternative fuel tank shutoff valve c control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A29Alternative Fuel Tank Shutoff Valve C Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP2A29 relates to alternative fuel tank shutoff valve c control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A2AAlternative Fuel Tank Shutoff Valve D Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP2A2A relates to alternative fuel tank shutoff valve d control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A2BAlternative Fuel Tank Shutoff Valve D Control Circuit Performance/Stuck OffCheck soonFuel System30–120 minutes for initial diagnosisP2A2B relates to alternative fuel tank shutoff valve d control circuit performance/stuck off. Check the fault conditions and vehicle-specific procedure before replacing parts.