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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 337–360 of 1016

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P062EFuel Injector Driver Circuit Performance Bank 2Check soonFuel System30–120 minutes for initial diagnosisP062E relates to fuel injector driver circuit performance bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P064AFuel Pump Control Module ACheck soonFuel System30–120 minutes for initial diagnosisP064A relates to fuel pump control module a. Check the fault conditions and vehicle-specific procedure before replacing parts.P0656Fuel Level Output CircuitCheck soonFuel System30–120 minutes for initial diagnosisP0656 relates to fuel level output circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P069EFuel Pump Control Module Requested MIL IlluminationCheck soonFuel System30–120 minutes for initial diagnosisP069E relates to fuel pump control module requested mil illumination. Check the fault conditions and vehicle-specific procedure before replacing parts.P06ECFuel Injector Control Module Requested MIL IlluminationCheck soonFuel System30–120 minutes for initial diagnosisP06EC relates to fuel injector control module requested mil illumination. Check the fault conditions and vehicle-specific procedure before replacing parts.P201AReductant Injection Valve Circuit Range/Performance Bank 2 Unit 1Check soonFuel System30–120 minutes for initial diagnosisP201A relates to reductant injection valve circuit range/performance bank 2 unit 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2029Fuel Fired Heater DisabledCheck soonFuel System30–120 minutes for initial diagnosisP2029 relates to fuel fired heater disabled. Check the fault conditions and vehicle-specific procedure before replacing parts.P202EReductant Injection Valve Circuit Range/Performance Bank 1 Unit 1Check soonFuel System30–120 minutes for initial diagnosisP202E relates to reductant injection valve circuit range/performance bank 1 unit 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2030Fuel Fired Heater PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2030 relates to fuel fired heater performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2037Reductant Injection Air Pressure Sensor A CircuitCheck soonFuel System30–120 minutes for initial diagnosisP2037 relates to reductant injection air pressure sensor a circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2038Reductant Injection Air Pressure Sensor A Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP2038 relates to reductant injection air pressure sensor a circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2039Reductant Injection Air Pressure Sensor A Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP2039 relates to reductant injection air pressure sensor a circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2040Reductant Injection Air Pressure Sensor A Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP2040 relates to reductant injection air pressure sensor a circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2041Reductant Injection Air Pressure Sensor A Circuit IntermittentCheck soonFuel System30–120 minutes for initial diagnosisP2041 relates to reductant injection air pressure sensor a circuit intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P2047Reductant Injection Valve Circuit/Open Bank 1 Unit 1Check soonFuel System30–120 minutes for initial diagnosisP2047 relates to reductant injection valve circuit/open bank 1 unit 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2048Reductant Injection Valve Circuit Low Bank 1 Unit 1Check soonFuel System30–120 minutes for initial diagnosisP2048 relates to reductant injection valve circuit low bank 1 unit 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2049Reductant Injection Valve Circuit High Bank 1 Unit 1Check soonFuel System30–120 minutes for initial diagnosisP2049 relates to reductant injection valve circuit high bank 1 unit 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2050Reductant Injection Valve Circuit/Open Bank 2 Unit 1Check soonFuel System30–120 minutes for initial diagnosisP2050 relates to reductant injection valve circuit/open bank 2 unit 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2051Reductant Injection Valve Circuit Low Bank 2 Unit 1Check soonFuel System30–120 minutes for initial diagnosisP2051 relates to reductant injection valve circuit low bank 2 unit 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2052Reductant Injection Valve Circuit High Bank 2 Unit 1Check soonFuel System30–120 minutes for initial diagnosisP2052 relates to reductant injection valve circuit high bank 2 unit 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P2053Reductant Injection Valve Circuit/Open Bank 1 Unit 2Check soonFuel System30–120 minutes for initial diagnosisP2053 relates to reductant injection valve circuit/open bank 1 unit 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2054Reductant Injection Valve Circuit Low Bank 1 Unit 2Check soonFuel System30–120 minutes for initial diagnosisP2054 relates to reductant injection valve circuit low bank 1 unit 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2055Reductant Injection Valve Circuit High Bank 1 Unit 2Check soonFuel System30–120 minutes for initial diagnosisP2055 relates to reductant injection valve circuit high bank 1 unit 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2056Reductant Injection Valve Circuit/Open Bank 2 Unit 2Check soonFuel System30–120 minutes for initial diagnosisP2056 relates to reductant injection valve circuit/open bank 2 unit 2. Check the fault conditions and vehicle-specific procedure before replacing parts.