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Thread: Radiator fan issue

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  1. #1
    Registered User
    Join Date
    Feb 2012
    portland, OR

    Radiator fan issue

    I have been getting the following errors and is also associated with my radiator fans seeming to run constantly and always blowing cold air through vents. Is it a bad control module or fan? I have tried resetting the code but they keep coming back.
    Appreciate anyone who would have insight to my problem.


    Databus Powertrain, Misssing message from A/C controller, Implausible signal

    Control 2: open or short to ground. No signal, communication sporadic.

  2. #2
    Registered User hahnmgh63's Avatar
    Join Date
    Feb 2007
    Roy, WA
    A/C controller is inside the headunit in the center console I believe. I wonder if you could pull it and re-check the connections on it.
    2003 White RS6 2013 Midnight Blue S5
    2013 Daytona RS5 2x944 Turbo's 1974 911 w/'91 3.6ltr motor
    Roy, WA

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