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Thread: T42 TCM read and write

  1. #11
    Junior Member
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    Jul 2018
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    Quote Originally Posted by Mr teabags View Post
    sorry for mis information . the codes i am getting are from engine on an then P will stay on dash until codes cleared .Attachment 23718Attachment 23719Attachment 23720Attachment 23721Attachment 23722Attachment 23723


    Attachment 23723

    this is what i could extract from damaged tc
    i think i have managed to extract data from damaged t42 tcm


    new tcm t42 data current if some one can compare the two would be great help
    Attached Files Attached Files

  2. #12
    Junior Member
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    Quote Originally Posted by Mr teabags View Post
    i think i have managed to extract data from damaged t42 tcm


    new tcm t42 data current if some one can compare the two would be great help
    I figured it out with a little reading on this forum all is good i managed to full flash new tcm with my old tcm op system car seems to be running now with no codes , thanks for help

  3. #13
    Lifetime Member
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    Glad to hear you got it fixed.
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  4. #14
    Joe (Moderator) joecar's Avatar
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    Good job

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