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Thread: 6l80 tutd only shift 1-2 and 3 gear

  1. #1
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    6l80 tutd only shift 1-2 and 3 gear

    Hi, good day to all.

    I?m from Chile, and i have been setting a Wrangler Jk whit L99 Engine and 6l80 Transmission, but i have problem whit TUTD, beacause i get it works, but only from 1st gear to 3rd gear, up and down, but i cant get 4-5 and 6 gear.

    Tutd is setting Hardwire, and the OS is from a Corvette whit original Hardwire TUTD, on D, all the gears work perfect, ony have problems whit TUTD.

    I have attached the file

    Please any help, i have read a lot, but i cant find the answer.

    Thanx

    covertte 2010 6l80 fan 32.hpt
    Diablo posting From Chile !

  2. #2
    Senior Tuner SultanHassanMasTuning's Avatar
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    speed sensor working?
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  3. #3
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    Quote Originally Posted by SultanHassanMasTuning View Post
    speed sensor working?
    Yes, work perfect.

    I also have set all shift at 512km/h, on TUTD mode.
    Diablo posting From Chile !

  4. #4
    Advanced Tuner
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    the 512kph shift speeds would more likely be your problem.

    you need to have them set to low speeds for upshift, otherwise the tcm denies the shift.

    do this for your shift speeds for each gear.
    1st- all 1
    2nd- all 20
    3rd- all 30
    4th - all 40
    5th- all 50
    6th- all 50

    then have your down shifts set to 5kph below the upshift. Bet it will work as required.

    do you mind telling me how your telling the trans to to the tutd shift. Just resistor buttons?
    Last edited by Tre-Cool; 12-09-2016 at 12:09 AM.

  5. #5
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    Quote Originally Posted by Tre-Cool View Post
    the 512kph shift speeds would more likely be your problem.

    you need to have them set to low speeds for upshift, otherwise the tcm denies the shift.

    do this for your shift speeds for each gear.
    1st- all 1
    2nd- all 20
    3rd- all 30
    4th - all 40
    5th- all 50
    6th- all 50

    then have your down shifts set to 5kph below the upshift. Bet it will work as required.

    do you mind telling me how your telling the trans to to the tutd shift. Just resistor buttons?

    At that speed Tutd dont work, but i have set to another speed, and now work properly !

    Is working whit 3 resistors to the pin 7.

    Thanx a lot.-
    Diablo posting From Chile !