Code result

P04B6

Fuel Fill Door Stuck Closed

Moderate severity

What it means

Same as P04B5 with the door stuck closed - the user cannot refuel until the fault is cleared.

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

  • Latch jammed or actuator stalled

    high

    One of the most commonly reported causes for this code — check this first.

  • Carbon or debris buildup preventing free movement

    low

    Less common, but worth ruling out after the more likely causes.

  • Component wear with age - mechanical play

    low

    Less common, but worth ruling out after the more likely causes.

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