Diagnostic library
Find an OBD2 code
Search the code from your scanner, then narrow the library by system, severity, or code family.
9,253 diagnostic guides
Find codes by symptomChoose what you notice to search matching code guides.
Rough idle or shakingVibration while stoppedHard to startLong cranking or no-startEngine stallsCuts out at idle or on the roadHesitates or loses powerSlow response when acceleratingBattery light is onCharging system warningHarsh gear changesDelayed or rough shifting
A symptom can have several causes. Treat matching codes as clues and follow the diagnostic checks in each guide.
Quick browse
Choose a vehicle system
FiltersSeverity · family
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 793–816 of 1797
P0C9F14 Volt Power Module Current Sensor B Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CA014 Volt Power Module Current Sensor B Circuit IntermittentCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CA1Drive Motor Control Module Requested MIL IlluminationCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CA2DC/DC Converter Step Down Voltage PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CA3DC/DC Converter Step Up Voltage PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CA4Hybrid/EV Battery Charging Voltage HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CA5Hybrid/EV Battery Discharging Voltage HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CA6Hybrid/EV Battery Charging Current HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CA7Hybrid/EV Battery Discharging Current HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CA8Hybrid/EV Battery Temperature Sensor M CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CA9Hybrid/EV Battery Temperature Sensor M Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CAAHybrid/EV Battery Temperature Sensor M Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CABHybrid/EV Battery Temperature Sensor M Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CACHybrid/EV Battery Temperature Sensor M Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CADHybrid/EV Battery Temperature Sensor N CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CAEHybrid/EV Battery Temperature Sensor N Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CAFHybrid/EV Battery Temperature Sensor N Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CB0Hybrid/EV Battery Temperature Sensor N Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CB1Hybrid/EV Battery Temperature Sensor N Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CB2Hybrid/EV Battery Temperature Sensor O CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CB3Hybrid/EV Battery Temperature Sensor O Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CB4Hybrid/EV Battery Temperature Sensor O Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CB5Hybrid/EV Battery Temperature Sensor O Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0CB6Hybrid/EV Battery Temperature Sensor O Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosis