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Thread: how to tune allison tcm with efi

  1. #11
    Lifetime Member darcy's Avatar
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    Feb 2012
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    There are 2 separate controllers that require 2 separate reads.

  2. #12
    Junior Member
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    Jan 2016
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    So it sounds as if the TCM in an LMM is separate and not affected by the ECM flash; therefore, when I make changes to the TCM content using EFILive SW then to use it I must flash the TCM as a separate process to get the TCM changes?
    Do I do a full or cal flash or is there more than one option for TCM flashing?

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