AI4Car

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.

Quick browse

Choose a vehicle system

All systems
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 1753–1776 of 1797

Most searched first
P2E3FBattery Charger B Module Forced Shutdown Voltage LowCheck soonElectrical & Charging SystemP2E40Battery Charger B Module Forced Shutdown Voltage HighCheck soonElectrical & Charging SystemP2E4ABattery Charger Coupler Temperature Sensor C CircuitCheck soonElectrical & Charging SystemP2E4BBattery Charger Coupler Temperature Sensor C Circuit Range/PerformanceCheck soonElectrical & Charging SystemP2E4CBattery Charger Coupler Temperature Sensor C Circuit LowCheck soonElectrical & Charging SystemP2E4DBattery Charger Coupler Temperature Sensor C Circuit HighCheck soonElectrical & Charging SystemP2E4EBattery Charger Coupler Temperature C Too HighCheck soonElectrical & Charging SystemP2E4FBattery Charger Coupler Temperature Sensor D CircuitCheck soonElectrical & Charging SystemP2E50Battery Charger Coupler Temperature Sensor D Circuit Range/PerformanceCheck soonElectrical & Charging SystemP2E51Battery Charger Coupler Temperature Sensor D Circuit LowCheck soonElectrical & Charging SystemP2E52Battery Charger Coupler Temperature Sensor D Circuit HighCheck soonElectrical & Charging SystemP2E53Battery Charger Coupler Temperature D Too HighCheck soonElectrical & Charging SystemP2E6CHybrid/EV Battery Pack “A” Cell ThicknessCheck soonElectrical & Charging SystemP2E6DHybrid/EV Battery Pack “A” Cell Thickness Sensor Circuit HighCheck soonElectrical & Charging SystemP2E6EHybrid/EV Battery Pack “A” Cell Thickness Sensor Circuit LowCheck soonElectrical & Charging SystemP2E6FHybrid/EV Battery Pack “A” Cell Thickness Sensor Circuit PerformanceCheck soonElectrical & Charging SystemP2E70Hybrid/EV Battery Pack B Cell ThicknessCheck soonElectrical & Charging SystemP2E71Hybrid/EV Battery Pack B Cell Thickness Sensor Circuit HighCheck soonElectrical & Charging SystemP2E72Hybrid/EV Battery Pack B Cell Thickness Sensor Circuit LowCheck soonElectrical & Charging SystemP2E73Hybrid/EV Battery Pack B Cell Thickness Sensor Circuit PerformanceCheck soonElectrical & Charging SystemP2E74Hybrid/EV Battery Pack Coolant Temperature Sensor D CircuitCheck soonElectrical & Charging SystemP2E75Hybrid/EV Battery Pack Coolant Temperature Sensor D Circuit Range/PerformanceCheck soonElectrical & Charging SystemP2E76Hybrid/EV Battery Pack Coolant Temperature Sensor D Circuit LowCheck soonElectrical & Charging SystemP2E77Hybrid/EV Battery Pack Coolant Temperature Sensor D Circuit HighCheck soonElectrical & Charging System