Fuel Fill Door Position Sensor/Switch Circuit Intermittent/Erratic

Where it lives

For P04B7, the sensor sits on the circuit this code reports. The description of P04B7 reports a fault at the sensor.

Check these first

• An intermittent break in the fuel door position sensor wiring
• A loose fuel door position sensor connector
• A fuel door position sensor with a drifting output
• A fuel door hinge that moves the sensor

What to do next

1. Wiggle test the fuel door position sensor wiring
2. Check the sensor output for drift or dropout
3. Inspect the fuel door hinge and latch
4. Replace the fuel door position sensor if the signal jumps
5. Clear the code and retest

Look up another code