Fault codes › P04C1

P04C1

Generic code
Free on OBD DashX

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iWhat P04C1 means

  • Fuel Fill Door Unlock Control Circuit Low

!Possible symptoms

  • Check and tighten the fuel fill door latch or locking mechanism.
  • Inspect and replace any damaged or frayed wiring connections in the fuel fill door control circuit.
  • Test and replace the fuel fill door unlock control module if necessary.
  • Reset the vehicle's onboard computer system to clear any error codes related to the fuel fill door unlock control circuit.
  • Consult the vehicle's manual or contact the manufacturer for further diagnostic and repair guidance.

?Possible causes

  • Malfunctioning fuel fill door unlock control module
  • Faulty fuel fill door unlock switch
  • Damaged wiring or connectors in the fuel fill door unlock control circuit
  • Defective fuel fill door unlock relay
  • Low battery voltage affecting the fuel fill door unlock control circuit

✓Possible solutions

  • Fuel fill door does not unlock when using the interior control switch
  • Fuel fill door does not unlock when using the remote keyless entry system
  • Fuel fill door does not unlock when using the exterior control switch near the fuel door
  • Fuel fill door only unlocks intermittently
  • Fuel fill door unlocks but has difficulty opening or closing.
Free on OBD DashX

P04C1 on OBD DashX

Real-world causes, how often this code shows up, and the fix — step by step.

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