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Thread: A6 BiTurbo Cooling fan runs continuously

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  1. A6 BiTurbo Cooling fan runs continuously 
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    Jul 2019
    Amsterdam, Netherlands
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    Folks -

    I got back my A6 C7 - 3.0 BiTurbo (2014) after a waterpump replacement. Coincidence or not, but since that moment my left cornering light stopped working and - worse - one of my cooling fans is running continuously. It starts a few seconds after I unlock the car, and only stops about a minute after I switch it off again.

    Surely I did find the posts about the car regenerating, which I recognise. Mine does that as well, but only every few weeks. Now the fan is constantly on though.

    A local Specialist with VCDS concluded that the fan control unit is dead. A new costs over 1100. Ex labor. Ouch. He also tells me that this happens "all the time" with the BiTDi. This I find odd, given the complete absence of posts on this topics here on this forum. Am I searching for the wrong keywords perhaps?

    So: does anyone recognise this? Is there an alternative fix? Could the control unit itself be fixed? Could it be an accidental wiring / connector issue (given that the waterpump was just replaced)? Does VCDS tell the difference if it's the wiring or the electronics? Can these units be purchased anywhere at a somewhat more affordable price?

    Many thanks,
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  2. Re: A6 BiTurbo Cooling fan runs continuously 
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    Jan 2007
    Nottingham, England
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    We could do with the fault code information, did he give you a printed report?
    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:
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