P04B1

Refuelling vapour control valve – circuit low

DTC P04B1, sometimes indicated as P04B100 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 refuelling vapour control valve – circuit low.

  • P04B1: Refuelling vapour control valve – circuit low
  • P04B1 00: Refuelling vapour control valve - circuit low

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