P04C0

Fuel Fill Door Unlock Control Range/Performance

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$22–111 (est.)

Symptoms

The fuel filler flap does not open
The fuel filler door is difficult to open
The malfunction indicator on the instrument panel is flashing

Causes

Malfunction of solenoid or lock motor
Open or short circuit in wiring harness
Mechanical jamming of the lock
Problems with the control unit (ECU)

How to Fix

Check the mechanical part of the lock (whether the hatch opens manually)
Check the integrity of the wiring harness and connectors
Check the operation of the solenoid or motor
If necessary, replace faulty components
Reset the error with an OBD-II scanner

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