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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

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 985–1008 of 1570

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P0DFDBattery Charger Coolant Control Valve Control Circuit/OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DFD concerns battery charger coolant control valve control circuit/open. Learn what this fault indicates and where to begin diagnosis.P0DFEBattery Charger Coolant Control Valve Control Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DFE concerns battery charger coolant control valve control circuit low. Learn what this fault indicates and where to begin diagnosis.P0DFFBattery Charger Coolant Control Valve Control Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0DFF concerns battery charger coolant control valve control circuit high. Learn what this fault indicates and where to begin diagnosis.P0E00Generator Phase U Current Sensor CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E00 concerns generator phase u current sensor circuit. Learn what this fault indicates and where to begin diagnosis.P0E01Generator Phase U Current Sensor Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E01 concerns generator phase u current sensor circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E02Generator Phase U Current Sensor Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E02 concerns generator phase u current sensor circuit low. Learn what this fault indicates and where to begin diagnosis.P0E03Generator Phase U Current Sensor Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E03 concerns generator phase u current sensor circuit high. Learn what this fault indicates and where to begin diagnosis.P0E04Generator Phase V Current Sensor CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E04 concerns generator phase v current sensor circuit. Learn what this fault indicates and where to begin diagnosis.P0E05Generator Phase V Current Sensor Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E05 concerns generator phase v current sensor circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E06Generator Phase V Current Sensor Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E06 concerns generator phase v current sensor circuit low. Learn what this fault indicates and where to begin diagnosis.P0E07Generator Phase V Current Sensor Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E07 concerns generator phase v current sensor circuit high. Learn what this fault indicates and where to begin diagnosis.P0E08Generator Phase W Current Sensor CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E08 concerns generator phase w current sensor circuit. Learn what this fault indicates and where to begin diagnosis.P0E09Generator Phase W Current Sensor Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E09 concerns generator phase w current sensor circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E0AGenerator Phase W Current Sensor Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E0A concerns generator phase w current sensor circuit low. Learn what this fault indicates and where to begin diagnosis.P0E0BGenerator Phase W Current Sensor Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E0B concerns generator phase w current sensor circuit high. Learn what this fault indicates and where to begin diagnosis.P0E0CGenerator Phase U-V-W Circuit/OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E0C concerns generator phase u-v-w circuit/open. Learn what this fault indicates and where to begin diagnosis.P0E0DGenerator Phase U-V-W Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E0D concerns generator phase u-v-w circuit low. Learn what this fault indicates and where to begin diagnosis.P0E0EGenerator Phase U-V-W Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E0E concerns generator phase u-v-w circuit high. Learn what this fault indicates and where to begin diagnosis.P0E0FGenerator Inverter Power Supply A Circuit/OpenCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E0F concerns generator inverter power supply a circuit/open. Learn what this fault indicates and where to begin diagnosis.P0E10Generator Inverter Power Supply A Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E10 concerns generator inverter power supply a circuit low. Learn what this fault indicates and where to begin diagnosis.P0E11Generator Inverter Power Supply A Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E11 concerns generator inverter power supply a circuit high. Learn what this fault indicates and where to begin diagnosis.P0E23Drive Motor Inverter Temperature Sensor G CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E23 concerns drive motor inverter temperature sensor g circuit. Learn what this fault indicates and where to begin diagnosis.P0E24Drive Motor Inverter Temperature Sensor G Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E24 concerns drive motor inverter temperature sensor g circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0E25Drive Motor Inverter Temperature Sensor G Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0E25 concerns drive motor inverter temperature sensor g circuit low. Learn what this fault indicates and where to begin diagnosis.