Fuel Fill Door Open Request Sensor/Switch Circuit

Where it lives

For P04C8, the sensor sits on the circuit this code reports. The description of P04C8 reports a fault at the sensor.

Check these first

• A failed fuel door open request sensor
• An open or shorted open request sensor circuit
• Corrosion at the open request sensor connector
• A failed fuel door lock actuator

What to do next

1. Read the fuel door open request sensor on a scan tool
2. Check the open request sensor circuit for an open or short
3. Inspect the open request sensor connector for corrosion
4. Replace the open request sensor if the signal does not change
5. Clear the code and retest

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