P04C7

Fuel Fill Door Lock Position Sensor/Switch Circuit Intermittent/Erratic

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$22–56 (est.)

Symptoms

Check Engine Light Is On
Problems with opening/closing the fuel filler flap
The error may appear and disappear

Causes

Open or short circuit in wiring harness
Lock position sensor malfunction
Contact corrosion
Problems with the fuel filler door lock

How to Fix

Check wiring harness for damage
Check sensor contacts for oxidation
Test the lock position sensor
Replace sensor or lock if necessary

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