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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 1081–1104 of 1570

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P0E7BCoolant Bypass Valve B Control Circuit/OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E7B concerns coolant bypass valve b control circuit/open. Learn what this fault indicates and where to begin diagnosis.P0E7CCoolant Bypass Valve B Control Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E7C concerns coolant bypass valve b control circuit low. Learn what this fault indicates and where to begin diagnosis.P0E7DCoolant Bypass Valve B Control Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E7D concerns coolant bypass valve b control circuit high. Learn what this fault indicates and where to begin diagnosis.P0E7ECoolant Bypass Valve B Control Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E7E concerns coolant bypass valve b control circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E7FCoolant Bypass Valve B Control Stuck/OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E7F concerns coolant bypass valve b control stuck/open. Learn what this fault indicates and where to begin diagnosis.P0E80Coolant Bypass Valve B Control Stuck ClosedCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E80 concerns coolant bypass valve b control stuck closed. Learn what this fault indicates and where to begin diagnosis.P0E81Auxiliary Cooling System Coolant Temperature Sensor A CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E81 concerns auxiliary cooling system coolant temperature sensor a circuit. Learn what this fault indicates and where to begin diagnosis.P0E82Auxiliary Cooling System Coolant Temperature Sensor A Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E82 concerns auxiliary cooling system coolant temperature sensor a circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E83Auxiliary Cooling System Coolant Temperature Sensor A Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E83 concerns auxiliary cooling system coolant temperature sensor a circuit low. Learn what this fault indicates and where to begin diagnosis.P0E84Auxiliary Cooling System Coolant Temperature Sensor A Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E84 concerns auxiliary cooling system coolant temperature sensor a circuit high. Learn what this fault indicates and where to begin diagnosis.P0E85Battery Charger B Temperature Too HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E85 concerns battery charger b temperature too high. Learn what this fault indicates and where to begin diagnosis.P0E86Battery Charger B Input Voltage Too LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E86 concerns battery charger b input voltage too low. Learn what this fault indicates and where to begin diagnosis.P0E87Battery Charger B Input Voltage Too HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E87 concerns battery charger b input voltage too high. Learn what this fault indicates and where to begin diagnosis.P0E88Battery Charger B Input Current Too LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E88 concerns battery charger b input current too low. Learn what this fault indicates and where to begin diagnosis.P0E89Battery Charger B Input Current Too HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E89 concerns battery charger b input current too high. Learn what this fault indicates and where to begin diagnosis.P0E8ABattery Charger B Input Current Sensor CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E8A concerns battery charger b input current sensor circuit. Learn what this fault indicates and where to begin diagnosis.P0E8BBattery Charger B Input Voltage Sensor CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E8B concerns battery charger b input voltage sensor circuit. Learn what this fault indicates and where to begin diagnosis.P0E8CDrive Motor A Inverter Voltage Sensor B” CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E8C concerns drive motor a inverter voltage sensor b” circuit. Learn what this fault indicates and where to begin diagnosis.P0E8DDrive Motor A Inverter Voltage Sensor B” Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E8D concerns drive motor a inverter voltage sensor b” circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E8EDrive Motor A Inverter Voltage Sensor B” Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E8E concerns drive motor a inverter voltage sensor b” circuit low. Learn what this fault indicates and where to begin diagnosis.P0E8FDrive Motor A Inverter Voltage Sensor B” Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E8F concerns drive motor a inverter voltage sensor b” circuit high. Learn what this fault indicates and where to begin diagnosis.P0E90Drive Motor A Inverter Voltage Sensor B” Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E90 concerns drive motor a inverter voltage sensor b” circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0E91Drive Motor B Inverter Voltage Sensor B” CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E91 concerns drive motor b inverter voltage sensor b” circuit. Learn what this fault indicates and where to begin diagnosis.P0E92Drive Motor B Inverter Voltage Sensor B” Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E92 concerns drive motor b inverter voltage sensor b” circuit range/performance. Learn what this fault indicates and where to begin diagnosis.