Description OBD-II Trouble Code Description for P0457 Seat Evaporative Emission System Leak Detected (fuel cap loose/off) What does this mean? OBD2 Code P0457 Seat definition: A fuel tank pressure change less than a minus (-) 7 inches of water in 30 seconds has occurred after refueling; or there is excessive purge (fuel vapor) flow greater…
Category: Seat
Seat P0455 EVAP System Large Leak Detected
Description OBD-II Trouble Code Description for P0455 Seat Evaporative Emission System Leak Detected (large leak) What does this mean? OBD2 Code P0455 Seat definition: This indicates a fuel vapor leak or lack of purge flow in the EVAP control system. It means a large leak has been detected. The (EVAP) emission control system prevents the…
Seat P0454 Evaporative Emission Control System Pressure Sensor Intermittent
Description OBD-II Trouble Code Description for P0454 Seat Evaporative Emission System Pressure Sensor/Switch Intermittent What does this mean? OBD2 Code P0454 Seat definition: The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. The EVAP control system pressure sensor is not used…
Seat P0453 EVAP System Pressure Sensor/Switch High Input
Description OBD-II Trouble Code Description for P0453 Seat Evaporative Emission System Pressure Sensor/Switch High What does this mean? OBD2 Code P0453 Seat definition: The EVAP (Evaporative Emissions) System allows fuel tank vapors to be purged into the engine and burnt rather than expelled into the atmosphere as harmful emissions. The EVAP system contains a pressure…
Seat P0452 EVAP System Pressure Sensor/Switch Low Input
Description OBD-II Trouble Code Description for P0452 Seat Evaporative Emission System Pressure Sensor/Switch Low What does this mean? OBD2 Code P0452 Seat definition: The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. The EVAP control system pressure sensor is not used…
Seat P0451 Fuel Tank Pressure Sensor Range/Performance
Description OBD-II Trouble Code Description for P0451 Seat Evaporative Emission System Pressure Sensor/Switch Range/Performance What does this mean? OBD2 Code P0451 Seat definition: The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. The EVAP control system pressure sensor is not used…
Seat P0449 EVAP System Vent Valve/Solenoid Circuit
Description OBD-II Trouble Code Description for P0449 Seat Evaporative Emission System Vent Valve/Solenoid Circuit What does this mean? OBD2 Code P0449 Seat definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. The high resolution is one of…
Seat P0450 EVAP Emission System Pressure Sensor
Description OBD-II Trouble Code Description for P0450 Seat Evaporative Emission System Pressure Sensor/Switch What does this mean? OBD2 Code P0450 Seat definition: The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. The EVAP control system pressure sensor is not used to…
Seat P0448 EVAP System Vent Control Circuit Shorted
Description OBD-II Trouble Code Description for P0448 Seat Evaporative Emission System Vent Control Circuit Shorted What does this mean? OBD2 Code P0448 Seat definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. The high resolution is one…
Seat P0446 Evaporative Emission Vent System Performance
Description OBD-II Trouble Code Description for P0446 Seat Evaporative Emission System Vent Control Circuit What does this mean? OBD2 Code P0446 Seat definition: Evap vent valve has only one purpose. It closes in order to seal the vent so the EVAP system can pressurize and ensure there are no leaks. Evap vent valve is usually…