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.

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 4009–4032 of 9253

Most searched first

P0E58DC/DC Converter Temperature Sensor C CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E58 concerns dc/dc converter temperature sensor c circuit. Learn what this fault indicates and where to begin diagnosis.P0E59DC/DC Converter Temperature Sensor C Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E59 concerns dc/dc converter temperature sensor c circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E5ADC/DC Converter Temperature Sensor C Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E5A concerns dc/dc converter temperature sensor c circuit low. Learn what this fault indicates and where to begin diagnosis.P0E5BDC/DC Converter Temperature Sensor C Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E5B concerns dc/dc converter temperature sensor c circuit high. Learn what this fault indicates and where to begin diagnosis.P0E5CDC/DC Converter Temperature Sensor C Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E5C concerns dc/dc converter temperature sensor c circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0E5DDC/DC Converter Enable Circuit intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E5D concerns dc/dc converter enable circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0E5EBattery Charger Control Module A Processor PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E5E concerns battery charger control module a processor performance. Learn what this fault indicates and where to begin diagnosis.P0E5FBattery Charger Coupler Temperature A Too HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E5F concerns battery charger coupler temperature a too high. Learn what this fault indicates and where to begin diagnosis.P0E60Battery Charge Mode Control Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E60 concerns battery charge mode control circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E61Battery Charger A Enable Circuit/OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E61 concerns battery charger a enable circuit/open. Learn what this fault indicates and where to begin diagnosis.P0E62Battery Charger A Enable Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E62 concerns battery charger a enable circuit low. Learn what this fault indicates and where to begin diagnosis.P0E63Battery Charger A Enable Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E63 concerns battery charger a enable circuit high. Learn what this fault indicates and where to begin diagnosis.P0E64Battery Charger A Enable Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E64 concerns battery charger a enable circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E65Battery Charger Control Circuit/OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E65 concerns battery charger control circuit/open. Learn what this fault indicates and where to begin diagnosis.P0E66Battery Charger Control Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E66 concerns battery charger control circuit low. Learn what this fault indicates and where to begin diagnosis.P0E67Battery Charger Control Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E67 concerns battery charger control circuit high. Learn what this fault indicates and where to begin diagnosis.P0E68Battery Charger Control Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E68 concerns battery charger control circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E69Control Pilot Indicator Control Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E69 concerns control pilot indicator control circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E6ABattery Charging System Precharge Contactor CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E6A concerns battery charging system precharge contactor circuit. Learn what this fault indicates and where to begin diagnosis.P0E6BBattery Charging System Precharge Contactor Circuit Stuck ClosedCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E6B concerns battery charging system precharge contactor circuit stuck closed. Learn what this fault indicates and where to begin diagnosis.P0E6CBattery Charging System Precharge Contactor Circuit Stuck OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E6C concerns battery charging system precharge contactor circuit stuck open. Learn what this fault indicates and where to begin diagnosis.P0E6DBattery Charging System Precharge Contactor Control Circuit/OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E6D concerns battery charging system precharge contactor control circuit/open. Learn what this fault indicates and where to begin diagnosis.P0E6EBattery Charging System Precharge Contactor Control Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E6E concerns battery charging system precharge contactor control circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E6FBattery Charging System Precharge Contactor Control Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E6F concerns battery charging system precharge contactor control circuit low. Learn what this fault indicates and where to begin diagnosis.