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Air Con fan killing battery.

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by otis_b, Jan 7, 2008.

  1. otis_b
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    otis_b Member

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    [Jan 7, 2008]
    Whenever the ignition is turned off on my B6 1.9 Tdi , the air con radiator fan comes on and stays on therefore killing the battery.

    My friend ran VAG-Com on it and it came up with the following error code:

    01206 - Signal for Duration of Ignition: OFF
    27-00 - Implausible Signal

    Any advice or suggestions would be appreciated.

    Thanks

    Otis
    #1
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  3. donvas
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    donvas New Member

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    [Jan 15, 2008]
    Poss two faults.
    1 faulty rad fan ecu unit
    2 water inside e box housing which can short out fan relay depending on engine spec
    #2

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