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audi a4 b6 1.8t fault code

Discussion in 'VCDS (formerly VAG-COM) forum' started by mrjheeta, Dec 4, 2008.

  1. mrjheeta
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    mrjheeta Member

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    hi all,

    the engine management light came on today, so ran a quick scan and it came up with the following fault code:

    18043 - Powertrain Data Bus: Missing Message from A/C Controller
    P1635 - 35-10 - - - Intermittent

    i've tried searching the wiki for vag-com but cant find anything on this error, anybody seen it before or may know what it means?

    thanks.
    G.
    #1
  2. Sebastian
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    Sebastian Member

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    Please give us some more details, post a complete scan if possible. We need to see if there are other data bus errors and we also need to see/check control module part numbers and software versions.
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