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Thread: 2013 LML Stock Tune Question

  1. #1
    New Member
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    Feb 2021
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    Default 2013 LML Stock Tune Question

    I want to start programing my 2013 Duramax. I purchased a stock tune from a tuning shop. The segment numbers are completely different than mine. I asked the shop about this and they said it would be good. I also downloaded a stock tune from the drop box. There are fewer differing segments and the operating systems are the same. Is either tune usable in my truck? Below are the segment ID numbers.

    Thanks

    Mine (Purchased) [Dropbox]

    Operating System 12645750 (12644094) [12645750]
    Engine Diagnostics 12656508 (12644984) [12657378]
    Engine 12654885 (12644976) [12654885]
    Fuel System 12650027 (12644988) [12650027]
    System 12654730 (12645005) [12654732]
    Speedometer 12650048 (12645021) [12650048]
    Boot Block 12645752 (12644096) [12645752]
    Last edited by StewStaton; February 14th, 2021 at 07:59 AM.

  2. #2
    Lifetime Member GMPX's Avatar
    Join Date
    Apr 2003
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    13,148

    Default

    You can always go here to verify any updated files would be suitable for your vehicle.
    https://tis2web.service.gm.com/tis2web

    But I think the general rule is you try to use a file with all matching segment part numbers (either matching what you have or matching what updates CalID might show).
    I no longer monitor the forum, please either post your question or create a support ticket.

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