Code result
P04C8
Fuel Fill Door Open Request Sensor or Switch Circuit
Moderate severity
What it means
A general circuit fault is detected on the open-request input - the button or switch the driver presses to release the fuel fill door. The ECU loses the request signal, so motorised release becomes unavailable.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Open in switch circuit
highOne of the most commonly reported causes for this code — check this first.
Related help
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