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P04C8 Powertrain

Fuel Fill Door Open Request Sensor or Switch Circuit

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.

Affected components

  • Fuel fill door request switch

Common causes

  • High likelihood: Open in switch circuit

Sources

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

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