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 1609–1632 of 1797
P2D37Hybrid/EV Battery Inductive Charger Input Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D38Hybrid/EV Battery Pack Heater PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D39Forced Hybrid/EV Battery DisconnectCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D3ECold Start Hybrid/EV Battery PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D3FHybrid/EV Battery Cooling System B PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D40Hybrid/EV Battery Cooling System C PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D41A/C Compressor Motor Voltage B PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D42A/C Compressor Motor Voltage B LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D43A/C Compressor Motor Voltage B HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D46Hybrid/EV Battery Pack B Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D47Hybrid/EV Battery Pack C Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D48Hybrid/EV Battery Pack D Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D49Hybrid/EV Battery Pack E Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4AHybrid/EV Battery Pack F Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4BHybrid/EV Battery Pack G Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4CHybrid/EV Battery Pack H Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4DHybrid/EV Battery Pack I Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4EHybrid/EV Battery Pack J Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D4FHybrid/EV Battery Pack K Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D50Hybrid/EV Battery Pack L Over TemperatureUrgentElectrical & Charging System30–120 minutes for initial diagnosisP2D52Hybrid/EV Battery Pack Coolant Temperature Sensor C CircuitCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D53Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D54Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2D55Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosis