P04BB

Fuel Fill Door Lock Control Circuit/Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$22–111 (est.)

Symptoms

The fuel tank door lock does not work
Check Engine light comes on
Error message on the dashboard

Causes

Open lock control circuit
Solenoid valve malfunction
Contact corrosion
Wiring harness damage
Blown fuse
Control unit malfunction

How to Fix

Check the lock control circuit fuse
Inspect the wiring harness for damage
Check the operation of the solenoid valve
Clean contacts from corrosion
Replace faulty components

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