Code result
P04B8
Fuel Fill Door Position Sensor Circuit
Moderate severity
What it means
A general circuit fault is detected on the fuel fill door position sensor or switch - the ECU cannot determine whether the door is open or closed. Usually an open in supply, signal or ground.
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 sensor circuit
highOne of the most commonly reported causes for this code — check this first.
Related help
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