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Thread: Looking for a list of vehicles with T43 TCM OS 24276638 from 2018 van

  1. #1
    Tuner in Training
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    Aug 2006
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    Smile Looking for a list of vehicles with T43 TCM OS 24276638 from 2018 van

    Hoping to find a different calibration to load into this 2018 GMC Savanna transmission.
    VIN# is 1GTW7AFGXJ1911495

    This trans is running from a TCM 2650 controller in a 2006 GMC Sierra.
    I don't think the ECM OS matters.

    Ultimately, I would like to use a Camaro or Corvette type of calibration somehow.

    I've been searching files in the repository with no luck.

    If anyone can tell me which files are safe to flash on this, I would really appreciate it.

    Thank you
    Attached Files Attached Files

  2. #2
    Quote Originally Posted by MODDOO View Post
    Hoping to find a different calibration to load into this 2018 GMC Savanna transmission.
    VIN# is 1GTW7AFGXJ1911495

    This trans is running from a TCM 2650 controller in a 2006 GMC Sierra.
    I don't think the ECM OS matters.

    Ultimately, I would like to use a Camaro or Corvette type of calibration somehow.

    I've been searching files in the repository with no luck.

    If anyone can tell me which files are safe to flash on this, I would really appreciate it.

    Thank you
    Seeing if you figured this out? I also just obtained a 2018 Express Van 6L90e for my swap project.
    77 C10 - 416 6L90e Swap

  3. #3
    Senior Tuner Ben Charles's Avatar
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    Since the ECM won’t matter on this (swap vehicle with TCM 2650) should be able to just flash whatever OS into the t43 post 2009 I would think (06-09 was different) 10+ very similar.

    I have NOT not this, but from my understanding it should work

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