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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 2017–2040 of 2110

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P2E9FCharge Port Door B Unlock Control Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2E9F relates to charge port door b unlock control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EA0Charge Port Door B Unlock Control Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EA0 relates to charge port door b unlock control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EA6Turbocharger Compressor Outlet Temperature Sensor CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EA6 relates to turbocharger compressor outlet temperature sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EA9DC/AC Converter A Over TemperatureUrgentSensors & Electronics30–120 minutes for initial diagnosisP2EA9 relates to dc/ac converter a over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EAAActive Radiator Air Flow Control Module A Control Circuit PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EAA relates to active radiator air flow control module a control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EABActive Radiator Air Flow Control Module A Over TemperatureUrgentSensors & Electronics30–120 minutes for initial diagnosisP2EAB relates to active radiator air flow control module a over temperature. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EACActive Radiator Air Flow Control Module A PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EAC relates to active radiator air flow control module a performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EADReductant Metering Unit 2 PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EAD relates to reductant metering unit 2 performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EB0Throttle Valve Intake Air Pressure Sensor CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EB0 relates to throttle valve intake air pressure sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EB1Throttle Valve Intake Air Pressure Sensor Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EB1 relates to throttle valve intake air pressure sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EB2Throttle Valve Intake Air Pressure Sensor Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EB2 relates to throttle valve intake air pressure sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EB3Throttle Valve Intake Air Pressure Sensor Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EB3 relates to throttle valve intake air pressure sensor circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EBBCrankcase Temperature Sensor CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EBB relates to crankcase temperature sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EBCCrankcase Temperature Sensor Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EBC relates to crankcase temperature sensor circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EBDCrankcase Temperature Sensor Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EBD relates to crankcase temperature sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EBECrankcase Temperature Sensor Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EBE relates to crankcase temperature sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EC0Turbocharger Compressor Outlet Temperature Sensor Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EC0 relates to turbocharger compressor outlet temperature sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EC1Turbocharger Compressor Outlet Temperature Sensor Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EC1 relates to turbocharger compressor outlet temperature sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2EC2Turbocharger Compressor Outlet Temperature Sensor Circuit Range/PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2EC2 relates to turbocharger compressor outlet temperature sensor circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P340ADeactivation/Intake Valve Control Circuit Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP340A relates to deactivation/intake valve control circuit bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P340BDeactivation/Intake Valve Control Circuit Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP340B relates to deactivation/intake valve control circuit bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P340CDeactivation/Exhaust Valve Control Circuit Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP340C relates to deactivation/exhaust valve control circuit bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.P340DDeactivation/Exhaust Valve Control Circuit Bank 2Check soonSensors & Electronics30–120 minutes for initial diagnosisP340D relates to deactivation/exhaust valve control circuit bank 2. Check the fault conditions and vehicle-specific procedure before replacing parts.P341ADeactivation/Intake Valve Control Circuit Performance Bank 1Check soonSensors & Electronics30–120 minutes for initial diagnosisP341A relates to deactivation/intake valve control circuit performance bank 1. Check the fault conditions and vehicle-specific procedure before replacing parts.