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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 1153–1176 of 1570

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P0ECFHybrid/EV Battery E Voltage HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ECF concerns hybrid/ev battery e voltage high. Learn what this fault indicates and where to begin diagnosis.P0ED0Hybrid/EV Battery F VoltageCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ED0 concerns hybrid/ev battery f voltage. Learn what this fault indicates and where to begin diagnosis.P0ED1Hybrid/EV Battery F Voltage UnstableCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ED1 concerns hybrid/ev battery f voltage unstable. Learn what this fault indicates and where to begin diagnosis.P0ED2Hybrid/EV Battery F Voltage LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ED2 concerns hybrid/ev battery f voltage low. Learn what this fault indicates and where to begin diagnosis.P0ED3Hybrid/EV Battery F Voltage HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ED3 concerns hybrid/ev battery f voltage high. Learn what this fault indicates and where to begin diagnosis.P0ED4Generator Phase X CurrentCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ED4 concerns generator phase x current. Learn what this fault indicates and where to begin diagnosis.P0ED5Generator Phase X Current LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ED5 concerns generator phase x current low. Learn what this fault indicates and where to begin diagnosis.P0ED6Generator Phase X Current HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ED6 concerns generator phase x current high. Learn what this fault indicates and where to begin diagnosis.P0ED7Generator Phase Y CurrentCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ED7 concerns generator phase y current. Learn what this fault indicates and where to begin diagnosis.P0ED8Generator Phase Y Current LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ED8 concerns generator phase y current low. Learn what this fault indicates and where to begin diagnosis.P0ED9Generator Phase Y Current HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ED9 concerns generator phase y current high. Learn what this fault indicates and where to begin diagnosis.P0EDAGenerator Phase Z CurrentCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EDA concerns generator phase z current. Learn what this fault indicates and where to begin diagnosis.P0EDBGenerator Phase Z Current LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EDB concerns generator phase z current low. Learn what this fault indicates and where to begin diagnosis.P0EDCGenerator Phase Z Current HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EDC concerns generator phase z current high. Learn what this fault indicates and where to begin diagnosis.P0EE6A/C Refrigerant Distribution Valve B Control Circuit Driver Current/Temperature Too HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EE6 concerns a/c refrigerant distribution valve b control circuit driver current/temperature too high. Learn what this fault indicates and where to begin diagnosis.P0EE7Battery Charger Coupler Temperature Sensor B CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EE7 concerns battery charger coupler temperature sensor b circuit. Learn what this fault indicates and where to begin diagnosis.P0EE8Battery Charger Coupler Temperature Sensor B Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EE8 concerns battery charger coupler temperature sensor b circuit range/performance. Learn what this fault indicates and where to begin diagnosis.P0EE9Battery Charger Coupler Temperature Sensor B Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EE9 concerns battery charger coupler temperature sensor b circuit low. Learn what this fault indicates and where to begin diagnosis.P0EEABattery Charger Coupler Temperature Sensor B Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EEA concerns battery charger coupler temperature sensor b circuit high. Learn what this fault indicates and where to begin diagnosis.P0EEBBattery Charger Coupler Temperature Sensor B Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EEB concerns battery charger coupler temperature sensor b circuit intermittent/erratic. Learn what this fault indicates and where to begin diagnosis.P0EECBattery Energy Control Module B PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EEC concerns battery energy control module b performance. Learn what this fault indicates and where to begin diagnosis.P0EEDHybrid/EV Battery System Discharge Circuit PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EED concerns hybrid/ev battery system discharge circuit performance. Learn what this fault indicates and where to begin diagnosis.P0EEEBattery Charger Coupler Temperature B Too HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EEE concerns battery charger coupler temperature b too high. Learn what this fault indicates and where to begin diagnosis.P0EEFDrive Motor A Control Module OvertemperatureCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0EEF concerns drive motor a control module overtemperature. Learn what this fault indicates and where to begin diagnosis.