Code result

P04BB

Fuel Fill Door Lock Control Circuit Open

Moderate severity

What it means

Fuel Fill Door Lock Control Circuit Open: the control circuit is open. Likely a broken wire, disconnected connector, or failed actuator.

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 harness or actuator winding

    high

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

  • Pin pushed back out of connector body

    low

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

  • Cracked solder joint inside the module or sensor

    low

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

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