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Thread: can't flash tcm

  1. #11
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    I would like to know also whynot

    Thanks
    04 LB7
    2010 LMM
    2015 LML

  2. #12
    Senior Member
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    It takes about 45 mins for a full flash for a Allison TCM..That was one of the reasons.
    2011 Chevy 2500HD LML 4x4 LTZ-Black
    -H&S Mini Maxx | MBRP 5" w/Muffler | 4" Rancho Lift | BMF REPR 20x9 DM | Mickey Thompson ATZ P3's 35/12.50's.

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  3. #13
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    oh yeah. duh i remember that now that you mention it. but it would still be nice to have the option to do so.
    '07 TBSS, LS2, T42, 3SS, Black on Black on Black, Pretty much stock at the moment. EFILive will fix that

    '06 LBZ/Allison 6speed, EC, LB, 1LT, Leather
    Current Mods: EFI Live/ PTO High Idle Mod/ Factory Exhaust Brake / BD Full Bore/ TransGo Jr./ TTS Twin Lift Pumps/ MBRP 4" turbo back/ Custom air box mod/ BullyDog Outlook Monitor

    465hp/1008tq---7/25/09---Dyno Day Fast Specialties Tuning by ME

  4. #14
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    Nov 2008
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    It is an 06 tcm. It was giving me the option of full flashing it on the toolbar. We got it flashed at the dealer and it works now. When I read it I would get tables and all it just would not shift. The os was one I had never seen before.

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