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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 1105–1128 of 1570

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P0E93Drive Motor B Inverter Voltage Sensor B” Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E93 concerns drive motor b inverter voltage sensor b” circuit low. Learn what this fault indicates and where to begin diagnosis.P0E94Drive Motor B Inverter Voltage Sensor B” Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E94 concerns drive motor b inverter voltage sensor b” circuit high. Learn what this fault indicates and where to begin diagnosis.P0E95Drive Motor B Inverter Voltage Sensor B” Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E95 concerns drive motor b inverter voltage sensor b” circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0E96DC/DC Converter Voltage Sensor C CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E96 concerns dc/dc converter voltage sensor c circuit. Learn what this fault indicates and where to begin diagnosis.P0E97DC/DC Converter Voltage Sensor C Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E97 concerns dc/dc converter voltage sensor c circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E98DC/DC Converter Voltage Sensor C Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E98 concerns dc/dc converter voltage sensor c circuit low. Learn what this fault indicates and where to begin diagnosis.P0E99DC/DC Converter Voltage Sensor C Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E99 concerns dc/dc converter voltage sensor c circuit high. Learn what this fault indicates and where to begin diagnosis.P0E9ADC/DC Converter Voltage Sensor C Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E9A concerns dc/dc converter voltage sensor c circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0E9BDC/DC Converter Current Sensor B CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E9B concerns dc/dc converter current sensor b circuit. Learn what this fault indicates and where to begin diagnosis.P0E9CDC/DC Converter Current Sensor B Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E9C concerns dc/dc converter current sensor b circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E9DDC/DC Converter Current Sensor B Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E9D concerns dc/dc converter current sensor b circuit low. Learn what this fault indicates and where to begin diagnosis.P0E9EDC/DC Converter Current Sensor B Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E9E concerns dc/dc converter current sensor b circuit high. Learn what this fault indicates and where to begin diagnosis.P0E9FDC/DC Converter Current Sensor B Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E9F concerns dc/dc converter current sensor b circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0EA0DC/DC Converter Current Sensor C CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EA0 concerns dc/dc converter current sensor c circuit. Learn what this fault indicates and where to begin diagnosis.P0EA1DC/DC Converter Current Sensor C Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EA1 concerns dc/dc converter current sensor c circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0EA2DC/DC Converter Current Sensor C Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EA2 concerns dc/dc converter current sensor c circuit low. Learn what this fault indicates and where to begin diagnosis.P0EA3DC/DC Converter Current Sensor C Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EA3 concerns dc/dc converter current sensor c circuit high. Learn what this fault indicates and where to begin diagnosis.P0EA4DC/DC Converter Current Sensor C Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EA4 concerns dc/dc converter current sensor c circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0EA5DC/DC Converter B PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EA5 concerns dc/dc converter b performance. Learn what this fault indicates and where to begin diagnosis.P0EA6DC/DC Converter B Over TemperatureCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EA6 concerns dc/dc converter b over temperature. Learn what this fault indicates and where to begin diagnosis.P0EA7Auxiliary Cooling System PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EA7 concerns auxiliary cooling system performance. Learn what this fault indicates and where to begin diagnosis.P0EA8A/C Compressor Motor Voltage Sensor B CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EA8 concerns a/c compressor motor voltage sensor b circuit. Learn what this fault indicates and where to begin diagnosis.P0EA9A/C Compressor Motor Voltage Sensor B Circuit PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EA9 concerns a/c compressor motor voltage sensor b circuit performance. Learn what this fault indicates and where to begin diagnosis.P0EAAA/C Compressor Motor Voltage Sensor B Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EAA concerns a/c compressor motor voltage sensor b circuit high. Learn what this fault indicates and where to begin diagnosis.