Diagnostic library
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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.
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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 313–336 of 1797
P0ABFHybrid/EV Battery Pack Current Sensor A CircuitUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AC0Hybrid/EV Battery Pack Current Sensor A Circuit Range/PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AC1Hybrid/EV Battery Pack Current Sensor A Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AC2Hybrid/EV Battery Pack Current Sensor A Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AC3Hybrid/EV Battery Pack Current Sensor A Circuit Intermittent/ErraticUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AC4Hybrid/EV Powertrain Control Module Requested MIL IlluminationCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0AC5Hybrid/EV Battery Temperature Sensor B CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0AC6Hybrid/EV Battery Temperature Sensor B Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0AC7Hybrid/EV Battery Temperature Sensor B Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0AC8Hybrid/EV Battery Temperature Sensor B Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0AC9Hybrid/EV Battery Temperature Sensor B Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ACAHybrid/EV Battery Temperature Sensor C CircuitCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ACBHybrid/EV Battery Temperature Sensor C Circuit Range/PerformanceCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ACCHybrid/EV Battery Temperature Sensor C Circuit LowCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ACDHybrid/EV Battery Temperature Sensor C Circuit HighCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ACEHybrid/EV Battery Temperature Sensor C Circuit Intermittent/ErraticCheck soonElectrical & Charging System45–120 minutes for initial diagnosisP0ACFHybrid/EV Battery Pack Cooling Fan 3 Control Circuit/OpenUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD0Hybrid/EV Battery Pack Cooling Fan 3 Performance/Stuck OffUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD1Hybrid/EV Battery Pack Cooling Fan 3 Stuck OnUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD2Hybrid/EV Battery Pack Cooling Fan 3 Control Circuit LowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD3Hybrid/EV Battery Pack Cooling Fan 3 Control Circuit HighUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD4Hybrid/EV Battery Pack Air Flow System Insufficient Air FlowUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD5Hybrid/EV Battery Pack Air Flow Valve A Control Circuit/OpenUrgentElectrical & Charging System45–120 minutes for initial diagnosisP0AD6Hybrid/EV Battery Pack Air Flow Valve A Control Circuit Range/PerformanceUrgentElectrical & Charging System45–120 minutes for initial diagnosis