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still aircon problems

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by simon.m, Jun 22, 2010.

  1. simon.m
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    simon.m Active Member

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    [Jun 22, 2010]
    im starting to think im not aloud aircon :no:
    any one no what this is iv tried to look the code up but cant find it.
    but was thinking it is the main unit ie the control panel or am or i wrong.
    i think i got the audi made by vaxhall lol
    1 Fault Found:
    18043 - Powertrain Data Bus: Missing Message from A/C Controller
    P1635 - 35-10 - - - Intermittent
    #1
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  3. GAudiTech
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    GAudiTech Member

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    [Jun 22, 2010]
    Take it youve got VCDS?. Do a full scan of all the other control units to see if youve got a communication fault. Sounds like a can bus problem or a faulty controller
    #2
  4. simon.m
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    simon.m Active Member

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    [Jun 22, 2010]
    hi GAudiTech with out sounding to stupid what is the can bus problem or a faulty controller
    #3
  5. GAudiTech
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    GAudiTech Member

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    [Jun 22, 2010]
    sorry pal, its not a stupid question. Can bus is a type of network that the control units comunicate using. basically a possible wiring fault. Thats how its better to scan the full system to see if its producing other faults else were which might make it easier to locate the problem. The controller i was referring to was the air con control panel
    #4
  6. simon.m
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    simon.m Active Member

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    [Jun 22, 2010]
    oh ok ill do a full scan tomorow and see what comes up and let you know :yes:
    #5

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