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P04C9 Powertrain

Fuel Fill Door Open Request Performance Stuck Off

The open-request switch never registers an active state - either the contact stays open mechanically or the wiring is permanently broken. The driver cannot trigger door release.

Affected components

  • Fuel fill door request switch

Common causes

  • High likelihood: Switch contact stuck open
  • Low likelihood: Carbon or debris buildup preventing free movement
  • Low likelihood: Component wear with age - mechanical play

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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