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Look up an OBD-II trouble code.
Search 3,195 reference definitions. Check the code description first, then confirm it applies to your vehicle before following a diagnostic procedure.
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Manufacturer-specific descriptions can vary with model, engine and year. This directory preserves the supplied reference data; it is not a substitute for vehicle-specific service information. Detailed guides identify their sources and reviewer.
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P0454Evaporative Emission Control System Pressure Sensor IntermittentPowertrainP0455Evaporative Emission Control System Tank Detected (gross leak)PowertrainP0460Fuel Level Sensor Circuit MalfunctionPowertrainP0461Fuel Level Sensor Circuit Range/PerformancePowertrainP0462Fuel level Sensor Circuit Low InputPowertrainP0463Fuel level Sensor Circuit High InputPowertrainP0464Fuel level Sensor Circuit IntermittentPowertrainP0465Purge Flow Sensor Circuit MalfunctionPowertrainP0466Purge flow Sensor Circuit Range/PerformancePowertrainP0467Purge Flow Sensor Circuit Low InputPowertrainP0468Purge flow Sensor Circuit High InputPowertrainP0469Purge flow Sensor Circuit IntermittentPowertrainP0470Exhaust Pressure Sensor MalfunctionPowertrainP0471Exhaust Pressure Sensor Range/PerformancePowertrainP0472Exhaust Pressure Sensor LowPowertrainP0473Exhaust Pressure Sensor HighPowertrainP0474Exhaust Pressure Sensor IntermittentPowertrainP0475Exhaust Pressure Control Valve MalfunctionPowertrainP0476Exhaust Pressure Control Valve Range/PerformancePowertrainP0477Exhaust Pressure Control Valve LowPowertrainP0478Exhaust Pressure Control Valve HighPowertrainP0479Exhaust Pressure Control Valve IntermittentPowertrainP0480Cooling Fan 1 Control Circuit MalfunctionPowertrainP0481Cooling Fan 2 Control Circuit MalfunctionPowertrainP0482Cooling Fan 3 Control Circuit MalfunctionPowertrainP0483Cooling Fan Rationality Check MalfunctionPowertrainP0484Cooling Fan Circuit Over CurrentPowertrainP0485Cooling Fan Power/Ground Circuit MalfunctionPowertrainP0500Vehicle Speed Sensor MalfunctionPowertrainP0501Vehicle Speed Sensor Range/PerformancePowertrainP0502Vehicle Speed Sensor Circuit Low InputPowertrainP0503Vehicle Speed Sensor Intermittent/Erratic/HighPowertrainP0505Idle Control System MalfunctionPowertrainP0506Idle Control System RPM lower Than ExpectedPowertrainP0507Idle Control System RPM higher Than ExpectedPowertrainP0510Closed Throttle Position Switch MalfunctionPowertrainP0520Engine Oil Pressure Sensor/Switch Circuit MalfunctionPowertrainP0521Engine Oil Pressure Sensor/Switch Range/PerformancePowertrainP0522Engine Oil Pressure Sensor/Switch Low VoltagePowertrainP0523Engine Oil Pressure Sensor/Switch High VoltagePowertrainP0530A/C Refrigerant Pressure Sensor Circuit MalfunctionPowertrainP0531A/C Refrigerant Pressure Sensor Circuit Range/PerformancePowertrainP0532A/C Refrigerant Pressure Sensor Circuit Low InputPowertrainP0533A/C Refrigerant pressure Sensor Circuit High InputPowertrainP0534Air Conditioner Refrigerant Charge LossPowertrainP0550Power Steering Pressure Sensor Circuit MalfunctionPowertrainP0551Power Steering Pressure Sensor Circuit Range/PerformancePowertrainP0552Power Steering Pressure Sensor Circuit Low InputPowertrainP0553Power Steering Pressure Sensor Circuit High InputPowertrainP0554Power Steering Pressure sensor Circuit IntermittentPowertrain
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