P04C8

Fuel Fill Door Open Request Sensor/Switch Circuit

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$22–111 (est.)

Symptoms

Inability to open the fuel tank hatch using the button
Indication of an open fuel tank hatch when it is closed
Error message on the dashboard

Causes

Open or short circuit in the sensor circuit
Sensor or switch failure
Wiring harness damage
Contact corrosion
Software failure in the body control unit

How to Fix

Check the integrity of the sensor circuit
Inspect contacts for corrosion
Check the condition of the wiring harness
Test the operation of the sensor or switch
If necessary, replace the faulty component
Update body control module software

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