Diagnostic library

Find an OBD2 code

Search the code from your scanner, then narrow the library by system, severity, or code family.

9,253 diagnostic guides

Sort

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.

Electrical & Charging System Check soon Clear all

Quick browse

Choose a vehicle system

Engine1049 Emissions515 Fuel1016 Sensors & Electronics2110 Transmission866 Electrical & Charging1797 Body & Restraints193 Chassis & Brakes479 Network & Communication1228

FiltersSeverity · family

Severity

All severities9253 Low priority305 Check soon8256 Urgent621

Code family

All families9253 P · Powertrain7353 B · Body193 C · Chassis479 U · Network1228

Vehicle coverage

These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.

Diagnostic codes

Showing 1417–1440 of 1570

Most searched first

P2D5FBattery Charging System Positive Contactor C Control Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D5F relates to battery charging system positive contactor c control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D60Battery Charging System Positive Contactor C Control Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D60 relates to battery charging system positive contactor c control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D61Battery Charging System Positive Contactor C Control Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D61 relates to battery charging system positive contactor c control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D62Battery Charging System Negative Contactor C CircuitCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D62 relates to battery charging system negative contactor c circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D63Battery Charging System Negative Contactor C Stuck ClosedCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D63 relates to battery charging system negative contactor c stuck closed. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D64Battery Charging System Negative Contactor C Stuck OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D64 relates to battery charging system negative contactor c stuck open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D65Battery Charging System Negative Contactor C Control Circuit/OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D65 relates to battery charging system negative contactor c control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D66Battery Charging System Negative Contactor C Control Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D66 relates to battery charging system negative contactor c control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D67Battery Charging System Negative Contactor C Control Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D67 relates to battery charging system negative contactor c control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D68Battery Charging System Negative Contactor C Control Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D68 relates to battery charging system negative contactor c control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D69Battery Charging System Positive Contactor D CircuitCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D69 relates to battery charging system positive contactor d circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D6ABattery Charging System Positive Contactor D Stuck ClosedCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D6A relates to battery charging system positive contactor d stuck closed. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D6BBattery Charging System Positive Contactor D Stuck OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D6B relates to battery charging system positive contactor d stuck open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D6CBattery Charging System Positive Contactor D Control Circuit/OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D6C relates to battery charging system positive contactor d control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D6DBattery Charging System Positive Contactor D Control Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D6D relates to battery charging system positive contactor d control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D6EBattery Charging System Positive Contactor D Control Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D6E relates to battery charging system positive contactor d control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D6FBattery Charging System Positive Contactor D Control Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D6F relates to battery charging system positive contactor d control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D70Battery Charging System Negative Contactor D CircuitCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D70 relates to battery charging system negative contactor d circuit. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D71Battery Charging System Negative Contactor D Stuck ClosedCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D71 relates to battery charging system negative contactor d stuck closed. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D72Battery Charging System Negative Contactor D Stuck OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D72 relates to battery charging system negative contactor d stuck open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D73Battery Charging System Negative Contactor D Control Circuit/OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D73 relates to battery charging system negative contactor d control circuit/open. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D74Battery Charging System Negative Contactor D Control Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D74 relates to battery charging system negative contactor d control circuit range/performance. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D75Battery Charging System Negative Contactor D Control Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D75 relates to battery charging system negative contactor d control circuit low. Check the fault conditions and vehicle-specific procedure before replacing parts.P2D76Battery Charging System Negative Contactor D Control Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D76 relates to battery charging system negative contactor d control circuit high. Check the fault conditions and vehicle-specific procedure before replacing parts.