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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 697–720 of 975

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P26B6Fuel Shutoff Valve B Control Circuit Stuck OnCheck soonFuel System30–120 minutes for initial diagnosisP26B6 relates to fuel shutoff valve b control circuit stuck on. Check the fault conditions and vehicle-specific procedure before replacing parts.P26E2Fuel Mode Indicator Lamp Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP26E2 relates to fuel mode indicator lamp control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P26E3Fuel Mode Indicator Lamp Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP26E3 relates to fuel mode indicator lamp control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P26EAFuel Pump Control Module BCheck soonFuel System30–120 minutes for initial diagnosisP26EA relates to fuel pump control module b. Check the fault conditions and vehicle-specific procedure before replacing parts.P26EBAlternative Fuel Control Module System VoltageCheck soonFuel System30–120 minutes for initial diagnosisP26EB relates to alternative fuel control module system voltage. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A0FFuel Supply Heater PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2A0F relates to fuel supply heater performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2A12Injection Pump Fuel Metering Control C (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A12 relates to injection pump fuel metering control c (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.P2A13Injection Pump Fuel Metering Control C Range/Performance (Cam/Rotor/Injector)Check soonFuel System30–120 minutes for initial diagnosisP2A13 relates to injection pump fuel metering control c range/performance (cam/rotor/injector). Check the fault conditions and vehicle-specific procedure before replacing parts.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.