- P04B4Refueling Vapor Control Valve Stuck ClosedFull content
- P04B5Fuel Fill Door Stuck OpenFull content
- P04B6Fuel Fill Door Stuck ClosedFull content
- P04B7Fuel Fill Door Position Sensor/Switch Circuit Intermittent/ErraticFull content
- P04B8Fuel Fill Door Position Sensor/Switch CircuitFull content
- P04B9Fuel Fill Door Position Sensor/Switch Circuit LowFull content
- P04BAFuel Fill Door Position Sensor/Switch Circuit HighFull content
- P04BBFuel Fill Door Lock Control Circuit/OpenFull content
- P04BCFuel Fill Door Lock Control Range/PerformanceFull content
- P04BDFuel Fill Door Lock Control Circuit LowFull content
- P04BEFuel Fill Door Lock Control Circuit HighFull content
- P04BFFuel Fill Door Unlock Control Circuit/OpenFull content
- P04C0Fuel Fill Door Unlock Control Range/PerformanceFull content
- P04C1Fuel Fill Door Unlock Control Circuit LowFull content
- P04C2Fuel Fill Door Unlock Control Circuit HighFull content
- P04C3Fuel Fill Door Lock Position Sensor/Switch CircuitFull content
- P04C4Fuel Fill Door Lock Position Sensor/Switch Circuit Range/PerformanceFull content
- P04C5Fuel Fill Door Lock Position Sensor/Switch Circuit LowFull content
- P04C6Fuel Fill Door Lock Position Sensor/Switch Circuit HighFull content
- P04C7Fuel Fill Door Lock Position Sensor/Switch Circuit Intermittent/ErraticFull content
- P04C8Fuel Fill Door Open Request Sensor/Switch CircuitFull content
- P04C9Fuel Fill Door Open Request Sensor/Switch Performance/Stuck OffFull content
- P04CAFuel Fill Door Open Request Sensor/Switch Circuit LowFull content
- P04CBFuel Fill Door Open Request Sensor/Switch Circuit HighFull content
- P04CCFuel Fill Door Open Request Sensor/Switch Circuit Intermittent/ErraticFull content
- P04CDFuel Fill Door Open Request Sensor/Switch Stuck OnFull content
- P04CEEGR Temperature Sensor C CircuitFull content
- P04CFEGR Temperature Sensor C Circuit Range/PerformanceFull content
- P04D0EGR Temperature Sensor C Circuit LowFull content
- P04D1EGR Temperature Sensor C Circuit HighFull content
- P04D2EGR Temperature Sensor C Circuit Intermittent/ErraticFull content
- P04D3Exhaust Brake Input CircuitFull content
- P04D4Exhaust Brake Input Circuit Range/PerformanceFull content
- P04D5Exhaust Brake Input Circuit LowFull content
- P04D6Exhaust Brake Input Circuit HighFull content
- P04D7Exhaust Brake Input Circuit Intermittent/ErraticFull content
- P04D8Excessive Time To Enter Closed Loop EGR ControlFull content
- P04D9Closed Loop EGR Control At Limit - Flow Too LowFull content
- P04DAClosed Loop EGR Control At Limit - Flow Too HighFull content
- P04DBCrankcase Ventilation System DisconnectedFull content
- P04DCFuel Fill Door Position Sensor/Switch Circuit Range/PerformanceFull content
- P04DDCold Start EGR A Flow Insufficient DetectedFull content
- P04DECold Start EGR A Flow Excessive DetectedFull content
- P04DFEVAP System Purge Control Valve A Performance/Stuck OpenFull content
- P04E0EVAP System Purge Control Valve A Stuck ClosedFull content
- P04E1Crankcase Ventilation Hose Connection Sensor CircuitFull content
- P04E2Crankcase Ventilation Hose Connection Sensor Circuit LowFull content
- P04E3Crankcase Ventilation Hose Connection Sensor Circuit HighFull content
- P04E4Crankcase Ventilation Hose Connection Sensor Circuit Intermittent/ErraticFull content
- P04E5EGR Temperature Sensor D CircuitFull content
- P04E6EGR Temperature Sensor D Circuit Range/PerformanceFull content
- P04E7EGR Temperature Sensor D Circuit LowFull content
- P04E8EGR Temperature Sensor D Circuit HighFull content
- P04E9EGR Temperature Sensor D Circuit Intermittent/ErraticFull content
- P04EAEVAP System Small Leak Detected - Fuel Tank SideFull content
- P04EBEVAP System Small Leak Detected - Fresh Air SideFull content
- P04ECEVAP System Large Leak Detected - Fuel Tank SideFull content
- P04EDEVAP System Large Leak Detected - Fresh Air SideFull content
- P04EEEVAP System Very Small Leak Detected - Fuel Tank SideFull content
- P04EFEVAP System Very Small Leak Detected - Fresh Air SideFull content
Other systems
This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.