P04B9

2017-10-10

Description:

  • Fuel Fill Door Position Sensor/Switch Circuit Low

Possible Symptoms:

  • Check the wiring and connectors for any damage or loose connections

  • Inspect the fuel fill door position sensor/switch for any signs of damage or malfunction

  • Replace the fuel fill door position sensor/switch if necessary

  • Reset the vehicle's onboard computer system to clear the error code and see if it returns

Possible Causes:

  • Faulty fuel fill door position sensor/switch

  • Loose or damaged wiring/connectors in the fuel fill door position sensor/switch circuit

  • Malfunctioning fuel fill door position sensor/switch

  • Corrosion or debris affecting the fuel fill door position sensor/switch operation

  • Defective powertrain control module (PCM) interfering with the fuel fill door position sensor/switch circuit

Related Parts:

Possible Solutions:

  • Fuel filler door does not open or close properly

  • Warning light on the dashboard indicating a problem with the fuel filler door

  • Inability to insert or remove the fuel nozzle properly during refueling

  • Fuel odor inside the vehicle, especially near the fuel filler area

  • Malfunctioning power door locks or power door release for the fuel filler door

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