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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 1033–1056 of 1570

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P0E40Charge Status Indicator A Control Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E40 concerns charge status indicator a control circuit high. Learn what this fault indicates and where to begin diagnosis.P0E41Charge Status Indicator B Control Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E41 concerns charge status indicator b control circuit low. Learn what this fault indicates and where to begin diagnosis.P0E42Charge Status Indicator B Control Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E42 concerns charge status indicator b control circuit high. Learn what this fault indicates and where to begin diagnosis.P0E43Hybrid/EV Powertrain Control Module BCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E43 concerns hybrid/ev powertrain control module b. Learn what this fault indicates and where to begin diagnosis.P0E4EEngine Failed to CrankCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E4E concerns engine failed to crank. Learn what this fault indicates and where to begin diagnosis.P0E4FMotor Electronics Coolant Pump A Control Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E4F concerns motor electronics coolant pump a control circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0E50Motor Electronics Coolant Pump B Control Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E50 concerns motor electronics coolant pump b control circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0E51DC/DC Converter Current Sensor A CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E51 concerns dc/dc converter current sensor a circuit. Learn what this fault indicates and where to begin diagnosis.P0E52DC/DC Converter Current Sensor A Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E52 concerns dc/dc converter current sensor a circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E53DC/DC Converter Current Sensor A Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E53 concerns dc/dc converter current sensor a circuit low. Learn what this fault indicates and where to begin diagnosis.P0E54DC/DC Converter Current Sensor A Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E54 concerns dc/dc converter current sensor a circuit high. Learn what this fault indicates and where to begin diagnosis.P0E55DC/DC Converter Current Sensor A Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E55 concerns dc/dc converter current sensor a circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0E56DC/DC Converter Input Voltage Too LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E56 concerns dc/dc converter input voltage too low. Learn what this fault indicates and where to begin diagnosis.P0E57DC/DC Converter Input Voltage Too HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E57 concerns dc/dc converter input voltage too high. Learn what this fault indicates and where to begin diagnosis.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.