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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.

Fuel System Clear all

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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 361–384 of 1016

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P2057Reductant Injection Valve Circuit Low Bank 2 Unit 2Check soonFuel System30–120 minutes for initial diagnosisP2057 relates to reductant injection valve circuit low bank 2 unit 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2058Reductant Injection Valve Circuit High Bank 2 Unit 2Check soonFuel System30–120 minutes for initial diagnosisP2058 relates to reductant injection valve circuit high bank 2 unit 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P2059Reductant Injection Air Pump Control Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP2059 relates to reductant injection air pump control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2060Reductant Injection Air Pump Control Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP2060 relates to reductant injection air pump control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2061Reductant Injection Air Pump Control Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP2061 relates to reductant injection air pump control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2065Fuel Level Sensor B CircuitLow priorityFuel System30–120 minutes for initial diagnosisP2065 relates to fuel level sensor b circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2066Fuel Level Sensor B PerformanceLow priorityFuel System30–120 minutes for initial diagnosisP2066 relates to fuel level sensor b performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2067Fuel Level Sensor B Circuit LowLow priorityFuel System30–120 minutes for initial diagnosisP2067 relates to fuel level sensor b circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2068Fuel Level Sensor B Circuit HighLow priorityFuel System30–120 minutes for initial diagnosisP2068 relates to fuel level sensor b circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2069Fuel Level Sensor B Circuit IntermittentLow priorityFuel System30–120 minutes for initial diagnosisP2069 relates to fuel level sensor b circuit intermittent. Check the fault conditions and vehicle-specific procedure before replacing parts.P208EReductant Injection Valve Stuck Closed Bank 1 Unit 1Check soonFuel System30–120 minutes for initial diagnosisP208E relates to reductant injection valve stuck closed bank 1 unit 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P208FReductant Injection Valve Stuck Closed Bank 2 Unit 1Check soonFuel System30–120 minutes for initial diagnosisP208F relates to reductant injection valve stuck closed bank 2 unit 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P209AReductant Injection Air Pressure Sensor B CircuitCheck soonFuel System30–120 minutes for initial diagnosisP209A relates to reductant injection air pressure sensor b circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P209BReductant Injection Air Pressure Sensor B Circuit Range/PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP209B relates to reductant injection air pressure sensor b circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P209CReductant Injection Air Pressure Sensor B Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP209C relates to reductant injection air pressure sensor b circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P209DReductant Injection Air Pressure Sensor B Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP209D relates to reductant injection air pressure sensor b circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P209EReductant Injection Air Pressure Sensor A/B CorrelationCheck soonFuel System30–120 minutes for initial diagnosisP209E relates to reductant injection air pressure sensor a/b correlation. Check the fault conditions and vehicle-specific procedure before replacing parts.P20A6Reductant Injection Air Pressure Control Valve Circuit/OpenCheck soonFuel System30–120 minutes for initial diagnosisP20A6 relates to reductant injection air pressure control valve circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P20A7Reductant Injection Air Pressure Control Valve PerformanceCheck soonFuel System30–120 minutes for initial diagnosisP20A7 relates to reductant injection air pressure control valve performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P20A8Reductant Injection Air Pressure Control Valve Circuit LowCheck soonFuel System30–120 minutes for initial diagnosisP20A8 relates to reductant injection air pressure control valve circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P20A9Reductant Injection Air Pressure Control Valve Circuit HighCheck soonFuel System30–120 minutes for initial diagnosisP20A9 relates to reductant injection air pressure control valve circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P20AAReductant Injection Air Pressure Control Valve Stuck OpenCheck soonFuel System30–120 minutes for initial diagnosisP20AA relates to reductant injection air pressure control valve stuck open. Check the fault conditions and vehicle-specific procedure before replacing parts.P20ABReductant Injection Air Pressure Control Valve Stuck ClosedCheck soonFuel System30–120 minutes for initial diagnosisP20AB relates to reductant injection air pressure control valve stuck closed. Check the fault conditions and vehicle-specific procedure before replacing parts.P20CAReductant Injection Air Pressure LeakageCheck soonFuel System30–120 minutes for initial diagnosisP20CA relates to reductant injection air pressure leakage. Check the fault conditions and vehicle-specific procedure before replacing parts.