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9,253 diagnostic guides

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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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Severity

All severities9253 Low priority305 Check soon8256 Urgent621

Code family

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 1873–1896 of 1939

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P2E94Charge Port Door B Open Request Switch Circuit PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2E94 relates to charge port door b open request switch circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E95Charge Port Door B Open Request Switch Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2E95 relates to charge port door b open request switch circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E96Charge Port Door B Open Request Switch Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2E96 relates to charge port door b open request switch circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E97Charge Port Door B Open Request Switch Circuit Intermittent/ErraticCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2E97 relates to charge port door b open request switch circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E98Charge Port Door B Position Sensor CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2E98 relates to charge port door b position sensor circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E99Charge Port Door B Position Sensor Circuit PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2E99 relates to charge port door b position sensor circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E9ACharge Port Door B Position Sensor Circuit LowCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2E9A relates to charge port door b position sensor circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E9BCharge Port Door B Position Sensor Circuit HighCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2E9B relates to charge port door b position sensor circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E9CCharge Port Door B Position Sensor Circuit Intermittent/ErraticCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2E9C relates to charge port door b position sensor circuit intermittent/erratic. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E9DCharge Port Door B Unlock Control CircuitCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2E9D relates to charge port door b unlock control circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2E9ECharge Port Door B Unlock Control Circuit PerformanceCheck soonSensors & Electronics30–120 minutes for initial diagnosisP2E9E relates to charge port door b unlock control circuit performance. Check the fault conditions and vehicle-specific procedure before replacing parts.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.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.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.