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P0624low severityPowertrain

Fuel Cap Lamp Control Circuit

on 2008 Ford Explorer 4.0L V6 SOHC · AWD

What this code means

The PCM detected a fault in the fuel cap indicator lamp control circuit. The lamp used to warn of a loose fuel cap may not function.

Symptoms

  • Fuel cap lamp inoperative
  • Lamp stays on
  • EVAP-related warnings

Common causes

  • Lamp control circuit wiring fault
  • Faulty indicator bulb
  • Corroded connectors
  • Faulty PCM

Diagnostic steps

  1. Check fuel cap lamp circuit wiring
  2. Inspect indicator bulb operation
  3. Test connectors and grounds
  4. Repair circuit or replace lamp

Other Powertrain codes on this vehicle

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