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Thread: Separate TCM from full read?

  1. #1
    Potential Tuner
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    Jan 2025
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    Separate TCM from full read?

    I already posted in the GM V8 Transmission forum to see if someone had a stock TCM only file, but I figured I'd ask another related question here. I found an 04.5 VIN 2 6.6 Allison 1000 stock file in the repository, but it is a full ECM/TCM read. Is there a way to separate the TCM by itself so I can add it as a controller to my original ECM only read?

  2. #2
    Potential Tuner
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    Just to clarify, I need the 04.5 VIN 2 TCM file to attach to my 04 VIN 1 ECM, which are different OS, so no segment swap option is available when opening original 04 vs 04.5 comparison files.

  3. #3
    Banned
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    Quote Originally Posted by DMax_04 View Post
    Is there a way to separate the TCM by itself so I can add it as a controller to my original ECM only read?
    that controller has a different serial number than yers

    read whatcha got

    copy the oem trans values from repository

    paste

    write

    read both controllers and wa la