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 529–552 of 1797
P0B97Hybrid/EV Battery Voltage Sense S Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0B98Hybrid/EV Battery Voltage Sense S Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0B99Hybrid/EV Battery Voltage Sense S Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0B9AHybrid/EV Battery Voltage Sense T CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0B9BHybrid/EV Battery Voltage Sense T Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0B9CHybrid/EV Battery Voltage Sense T Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0B9DHybrid/EV Battery Voltage Sense T Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0B9EHybrid/EV Battery Voltage Sense T Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0B9FHybrid/EV Battery Voltage Sense U CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BA0Hybrid/EV Battery Voltage Sense U Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BA1Hybrid/EV Battery Voltage Sense U Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BA2Hybrid/EV Battery Voltage Sense U Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BA3Hybrid/EV Battery Voltage Sense U Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BA4Hybrid/EV Battery Voltage Sense V CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BA5Hybrid/EV Battery Voltage Sense V Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BA6Hybrid/EV Battery Voltage Sense V Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BA7Hybrid/EV Battery Voltage Sense V Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BA8Hybrid/EV Battery Voltage Sense V Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BA9Hybrid/EV Battery Voltage Sense W CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BAAHybrid/EV Battery Voltage Sense W Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BABHybrid/EV Battery Voltage Sense W Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BACHybrid/EV Battery Voltage Sense W Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BADHybrid/EV Battery Voltage Sense W Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0BAEHybrid/EV Battery Voltage Sense X CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosis