OBD Guide
ENFRDEESPT

P04C0

Fuel Fill Door Unlock Control Range/Performance

P04C0 is an OBD-II diagnostic trouble code meaning: Fuel Fill Door Unlock Control Range/Performance. Common causes: malfunction of solenoid or lock motor, open or short circuit in wiring harness. Estimated repair cost: $22–111.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • The fuel filler flap does not open
  • The fuel filler door is difficult to open
  • The malfunction indicator on the instrument panel is flashing

Causes

  • Malfunction of solenoid or lock motor
  • Open or short circuit in wiring harness
  • Mechanical jamming of the lock
  • Problems with the control unit (ECU)

How to Fix

  1. Check the mechanical part of the lock (whether the hatch opens manually)
  2. Check the integrity of the wiring harness and connectors
  3. Check the operation of the solenoid or motor
  4. If necessary, replace faulty components
  5. Reset the error with an OBD-II scanner

Related codes

P04C1P04C2

Error P04C0 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P04C0 code mean?

P04C0 is an OBD-II diagnostic trouble code that indicates: Fuel Fill Door Unlock Control Range/Performance

What causes a P04C0 error code?

The most common causes of P04C0 include: Malfunction of solenoid or lock motor; Open or short circuit in wiring harness; Mechanical jamming of the lock; Problems with the control unit (ECU).

How do I fix a P04C0 diagnostic trouble code?

To fix P04C0: Check the mechanical part of the lock (whether the hatch opens manually). Check the integrity of the wiring harness and connectors. Check the operation of the solenoid or motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P04C0?

Yes, but get it checked soon

How much does it cost to fix P04C0?

The estimated repair cost for P04C0 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat