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P0403 erg FIAT Scudo Estate (220_)

FIAT SCUDO Box (220L) 2.0 JTD
@D. W.
16.06.2022 11:57
Member
I have a P0403 diagnostic  it’s a wiring issue? Where do I start and where ?

    Started

    16.06.22

    Latest reply

    23.06.22

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    • @Thadine59
      23.06.2022 13:13
      Member
      This error code may occur in some cases:
      - short circuit or damage to the wiring of the vacuum solenoid
      - problems with electrical contacts in the vacuum solenoid
      - failure of the vacuum solenoid
      - water ingress into the vacuum solenoid valve
      - incorrect operation of the computer
      To begin with, I would recommend that you check these points.
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