Powertrain OBD-II Codes (Pxxxx)
1246 diagnostic trouble codes
Powertrain codes cover the engine, transmission, fuel system, emissions controls, and ignition system. These are the most common OBD-II codes, triggered when the engine control module (ECM) or transmission control module (TCM) detects a malfunction.
P0454Evaporative Emission Control System Pressure Sensor IntermittentGenericP0455Evaporative Emission Control System Tank Detected (gross leak)GenericP0460Fuel Level Sensor Circuit MalfunctionGenericP0461Fuel Level Sensor Circuit Range/PerformanceGenericP0462Fuel level Sensor Circuit Low InputGenericP0463Fuel level Sensor Circuit High InputGenericP0464Fuel level Sensor Circuit IntermittentGenericP0465Purge Flow Sensor Circuit MalfunctionGenericP0466Purge flow Sensor Circuit Range/PerformanceGenericP0467Purge Flow Sensor Circuit Low InputGenericP0468Purge flow Sensor Circuit High InputGenericP0469Purge flow Sensor Circuit IntermittentGenericP0470Exhaust Pressure Sensor MalfunctionGenericP0471Exhaust Pressure Sensor Range/PerformanceGenericP0472Exhaust Pressure Sensor LowGenericP0473Exhaust Pressure Sensor HighGenericP0474Exhaust Pressure Sensor IntermittentGenericP0475Exhaust Pressure Control Valve MalfunctionGenericP0476Exhaust Pressure Control Valve Range/PerformanceGenericP0477Exhaust Pressure Control Valve LowGenericP0478Exhaust Pressure Control Valve HighGenericP0479Exhaust Pressure Control Valve IntermittentGenericP0480Cooling Fan 1 Control Circuit MalfunctionGenericP0481Cooling Fan 2 Control Circuit MalfunctionGenericP0482Cooling Fan 3 Control Circuit MalfunctionGenericP0483Cooling Fan Rationality Check MalfunctionGenericP0484Cooling Fan Circuit Over CurrentGenericP0485Cooling Fan Power/Ground Circuit MalfunctionGenericP0500Vehicle Speed Sensor MalfunctionGenericP0501Vehicle Speed Sensor Range/PerformanceGenericP0502Vehicle Speed Sensor Circuit Low InputGenericP0503Vehicle Speed Sensor Intermittent/Erratic/HighGenericP0505Idle Control System MalfunctionGenericP0506Idle Control System RPM lower Than ExpectedGenericP0507Idle Control System RPM higher Than ExpectedGenericP0510Closed Throttle Position Switch MalfunctionGenericP0520Engine Oil Pressure Sensor/Switch Circuit MalfunctionGenericP0521Engine Oil Pressure Sensor/Switch Range/PerformanceGenericP0522Engine Oil Pressure Sensor/Switch Low VoltageGenericP0523Engine Oil Pressure Sensor/Switch High VoltageGenericP0530A/C Refrigerant Pressure Sensor Circuit MalfunctionGenericP0531A/C Refrigerant Pressure Sensor Circuit Range/PerformanceGenericP0532A/C Refrigerant Pressure Sensor Circuit Low InputGenericP0533A/C Refrigerant pressure Sensor Circuit High InputGenericP0534Air Conditioner Refrigerant Charge LossGenericP0550Power Steering Pressure Sensor Circuit MalfunctionGenericP0551Power Steering Pressure Sensor Circuit Range/PerformanceGenericP0552Power Steering Pressure Sensor Circuit Low InputGenericP0553Power Steering Pressure Sensor Circuit High InputGenericP0554Power Steering Pressure sensor Circuit IntermittentGeneric