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 1513–1536 of 1570
P2E2FBattery Charger B Module Supply Voltage PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E30Battery Charger B Module Supply Voltage LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E31Battery Charger B Module Supply Voltage HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E32Battery Charger A Module Forced Shutdown Voltage PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E33Battery Charger A Module Forced Shutdown Voltage LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E34Battery Charger A Module Forced Shutdown Voltage HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E35Battery Charger B Enable Circuit/OpenCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E36Battery Charger B Enable Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E37Battery Charger B Enable Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E38Battery Charger B Enable Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E39Battery Charger B FuseCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E3ABattery Charger B Output Voltage PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E3BBattery Charger B Output Voltage Too LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E3CBattery Charger B Output Current PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E3DBattery Charger B Output ShortedCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E3EBattery Charger B Module Forced Shutdown Voltage PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E3FBattery Charger B Module Forced Shutdown Voltage LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E40Battery Charger B Module Forced Shutdown Voltage HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E4ABattery Charger Coupler Temperature Sensor C CircuitCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E4BBattery Charger Coupler Temperature Sensor C Circuit Range/PerformanceCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E4CBattery Charger Coupler Temperature Sensor C Circuit LowCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E4DBattery Charger Coupler Temperature Sensor C Circuit HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E4EBattery Charger Coupler Temperature C Too HighCheck soonElectrical & Charging System30–120 minutes for initial diagnosisP2E4FBattery Charger Coupler Temperature Sensor D CircuitCheck soonElectrical & Charging System30–120 minutes for initial diagnosis