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 1993–2016 of 2110

Most searched first
P2E7BDrive Motor A Excitation Current Sensor CircuitCheck soonSensors & ElectronicsP2E7CA/C Compressor Control Module Internal Temperature Sensor B CircuitCheck soonSensors & ElectronicsP2E7DA/C Compressor Control Module Internal Temperature Sensor B PerformanceCheck soonSensors & ElectronicsP2E7EA/C Compressor Control Module Internal Temperature Sensor B Circuit HighCheck soonSensors & ElectronicsP2E7FA/C Compressor Control Module Internal Temperature Sensor B Circuit LowCheck soonSensors & ElectronicsP2E80A/C Compressor Control Module InternalTemperature Sensor B Circuit Intermittent/ErraticLow prioritySensors & ElectronicsP2E87Proximity Detection Circuit BCheck soonSensors & ElectronicsP2E88Proximity Detection Circuit B Range/PerformanceCheck soonSensors & ElectronicsP2E89Proximity Detection Circuit B LowCheck soonSensors & ElectronicsP2E8AProximity Detection Circuit B HighCheck soonSensors & ElectronicsP2E8BProximity Detection Circuit B Intermittent/ErraticCheck soonSensors & ElectronicsP2E92Charge Port Door B Open Request Switch Wake-Up CircuitCheck soonSensors & ElectronicsP2E93Charge Port Door B Open Request Switch CircuitCheck soonSensors & ElectronicsP2E94Charge Port Door B Open Request Switch Circuit PerformanceCheck soonSensors & ElectronicsP2E95Charge Port Door B Open Request Switch Circuit LowCheck soonSensors & ElectronicsP2E96Charge Port Door B Open Request Switch Circuit HighCheck soonSensors & ElectronicsP2E97Charge Port Door B Open Request Switch Circuit Intermittent/ErraticCheck soonSensors & ElectronicsP2E98Charge Port Door B Position Sensor CircuitCheck soonSensors & ElectronicsP2E99Charge Port Door B Position Sensor Circuit PerformanceCheck soonSensors & ElectronicsP2E9ACharge Port Door B Position Sensor Circuit LowCheck soonSensors & ElectronicsP2E9BCharge Port Door B Position Sensor Circuit HighCheck soonSensors & ElectronicsP2E9CCharge Port Door B Position Sensor Circuit Intermittent/ErraticCheck soonSensors & ElectronicsP2E9DCharge Port Door B Unlock Control CircuitCheck soonSensors & ElectronicsP2E9ECharge Port Door B Unlock Control Circuit PerformanceCheck soonSensors & Electronics