P04B5

Fuel filler flap – flap stuck open

DTC P04B5, sometimes indicated as P04B500 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the auxiliary emissions system causing fuel filler flap – flap stuck open.

  • P04B5: Fuel filler flap – flap stuck open
  • P04B5 00: Fuel filler flap - flap stuck open

DTC Trouble Code Search
Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • SSM 47765 - FUEL SYSTEM, GASOLINE
    LINCOLN: Some 2013-2018 c-max, 2013-2019 fusion energi, and 2017-2019 fusion/mkz hybrid vehicles may exhibit an illuminated mil with diagnostic trouble code (dtc) P04B5. This may be due to inadvertent actuation of the fuel door release button by the
  • SSM 47737 - FUEL SYSTEM, GASOLINE
    LINCOLN: Some 2017-2019 mkz vehicles equipped with a 2.0 hev engine may exhibit a fuel filler door unable to be opened or closed with or without an illuminated malfunction indicator (mil) and dtc P04B5. This may occur when the fuel door is pressed o
  • SSM 46454 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
    LINCOLN: Some 2013-2017 c-max/fusion energi and 2017 c-max/fusion/mkz hybrid vehicles may exhibit an illuminated mil with diagnostic trouble code (dtc) P04B5. This may be due to inadvertent actuation of the fuel door release button by the customer w
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