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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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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 1009–1032 of 1570

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P0E26Drive Motor Inverter Temperature Sensor G Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E26 concerns drive motor inverter temperature sensor g circuit high. Learn what this fault indicates and where to begin diagnosis.P0E27Drive Motor Inverter Temperature Sensor G Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E27 concerns drive motor inverter temperature sensor g circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0E28Drive Motor Inverter Temperature Sensor H CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E28 concerns drive motor inverter temperature sensor h circuit. Learn what this fault indicates and where to begin diagnosis.P0E29Drive Motor Inverter Temperature Sensor H Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E29 concerns drive motor inverter temperature sensor h circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E2ADrive Motor Inverter Temperature Sensor H Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E2A concerns drive motor inverter temperature sensor h circuit low. Learn what this fault indicates and where to begin diagnosis.P0E2BDrive Motor Inverter Temperature Sensor H Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E2B concerns drive motor inverter temperature sensor h circuit high. Learn what this fault indicates and where to begin diagnosis.P0E2CDrive Motor Inverter Temperature Sensor H Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E2C concerns drive motor inverter temperature sensor h circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0E2DInternal Control Module Hybrid/EV Battery Monitor PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E2D concerns internal control module hybrid/ev battery monitor performance. Learn what this fault indicates and where to begin diagnosis.P0E2EBattery Charger A FuseCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E2E concerns battery charger a fuse. Learn what this fault indicates and where to begin diagnosis.P0E31DC/DC Converter Voltage Sensor A CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E31 concerns dc/dc converter voltage sensor a circuit. Learn what this fault indicates and where to begin diagnosis.P0E32DC/DC Converter Voltage Sensor A Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E32 concerns dc/dc converter voltage sensor a range/performance. Learn what this fault indicates and where to begin diagnosis.P0E33DC/DC Converter Voltage Sensor A LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E33 concerns dc/dc converter voltage sensor a low. Learn what this fault indicates and where to begin diagnosis.P0E34DC/DC Converter Voltage Sensor A HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E34 concerns dc/dc converter voltage sensor a high. Learn what this fault indicates and where to begin diagnosis.P0E35DC/DC Converter Voltage Sensor A Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E35 concerns dc/dc converter voltage sensor a intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0E36DC/DC Converter Voltage Sensor BCircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E36 concerns dc/dc converter voltage sensor bcircuit. Learn what this fault indicates and where to begin diagnosis.P0E37DC/DC Converter Voltage Sensor B Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E37 concerns dc/dc converter voltage sensor b range/performance. Learn what this fault indicates and where to begin diagnosis.P0E38DC/DC Converter Voltage Sensor B LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E38 concerns dc/dc converter voltage sensor b low. Learn what this fault indicates and where to begin diagnosis.P0E39DC/DC Converter Voltage Sensor B HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E39 concerns dc/dc converter voltage sensor b high. Learn what this fault indicates and where to begin diagnosis.P0E3ADC/DC Converter Voltage Sensor B Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E3A concerns dc/dc converter voltage sensor b intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0E3BHybrid/EV Battery Coolant Pump OverspeedCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E3B concerns hybrid/ev battery coolant pump overspeed. Learn what this fault indicates and where to begin diagnosis.P0E3CHybrid/EV Battery Coolant Pump UnderspeedCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E3C concerns hybrid/ev battery coolant pump underspeed. Learn what this fault indicates and where to begin diagnosis.P0E3DControl Pilot Indicator Control Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E3D concerns control pilot indicator control circuit low. Learn what this fault indicates and where to begin diagnosis.P0E3EControl Pilot Indicator Control Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E3E concerns control pilot indicator control circuit high. Learn what this fault indicates and where to begin diagnosis.P0E3FCharge Status Indicator A Control Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E3F concerns charge status indicator a control circuit low. Learn what this fault indicates and where to begin diagnosis.