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Thread: 6sp Allison

  1. #1
    Member jay p's Avatar
    Join Date
    Dec 2005
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    55

    Default 6sp Allison

    Since updating to the current beta, my trany is unrecognized. I'm not sure if this is a beta problem or a new TCM os. Attached is the text of the error and the saved tune.

    Thanks
    Jay
    Attached Files Attached Files
    2019 Sierra 6.2l
    2017 2500HD L5P
    2010 2500HD LMM (sold)
    2005 Harley Ultra Classic

  2. #2
    Forum tyhee Site Admin GMPX's Avatar
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    Apr 2003
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    13,143

    Default

    Did you recently have the Cold weather dealer update put in?
    It's not an OS I have seen before, thanks for the file though, we can work on getting support for it.

    Cheers,
    Ross


  3. #3
    Member jay p's Avatar
    Join Date
    Dec 2005
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    Default

    Yes... My truck has seen -40F and I didn't want a fried trans from the high idle.

    Thanks
    2019 Sierra 6.2l
    2017 2500HD L5P
    2010 2500HD LMM (sold)
    2005 Harley Ultra Classic

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