Code result
P04B7
Fuel Fill Door Position Sensor Circuit Intermittent or Erratic
Moderate severity
What it means
The position sensor or switch on the fuel fill door reports an intermittent signal - opens and closes randomly without matching the actual door position. Typically a connector or chafed harness fault.
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
Intermittent contact at connector
highOne of the most commonly reported causes for this code — check this first.
Connector with intermittent contact under vibration
lowLess common, but worth ruling out after the more likely causes.
Harness routed against vibrating component
lowLess common, but worth ruling out after the more likely causes.
Related help
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