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Thread: trailblazer ss ls2 tkx manual swap need tune for the manual swap

  1. #1
    Potential Tuner
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    May 2025
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    trailblazer ss ls2 tkx manual swap need tune for the manual swap

    I have a 2008 tbss i have manual swapped to a tkx. the thing runs and drives. i cannot go passed 4k rpms when shifting gears it has a limiter. i cannot get rid of the auto trans tune. i have tried everything. please help. i understand time is money.

  2. #2
    Senior Tuner
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    Nov 2006
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    there is a table in the tm section labeled default trans torque limit or something like that.. Its how much torque is allowed when TCM is offline.. Max it out
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  3. #3
    Tuner
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    [ECM] 12836 - Trans Default Torque Limit

    Change the whole table to 6,042.

    Trans Default Torque Limit.png
    Last edited by DanN; 9 Hours Ago at 03:26 PM.
    1972 Triumph Spitfire Ecotec Swap:
    Stage 1: MEFI-4B & L61 - deceased; ate it's own balance shafts - because I did a dumb.
    Stage 2: E37 & GenII L61 - Ran great, but too meh.
    Stage 3: An LSJ is a good time in a 2000# car.

    2005 GMC Canyon base work truck.
    LS Swap, AR5 Trans, BCM transplant, Sierra Dash, G80