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Thread: 8L90 TCC Delay

  1. #1
    Potential Tuner krysienspeed's Avatar
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    Oct 2021
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    8L90 TCC Delay

    I have been experiencing delay in TCC activation at WOT on some 8L90 vehicles. Some lock when they are supposed to and then others will mis the mark by a mile, some won't lock at all. Are we missing a table with a timer delay after a completed shift? Perhaps a maximum TCC slip prior to commanding activation? I know it took them awhile to define the desired pressure table, now just wondering if their are more tables needing to be defined for proper TCC operation.

  2. #2
    Tuner in Training JustinWhiteTuned's Avatar
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    Mar 2017
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    i actually emailed them about this today. It is unfortunately common and even has issues locking and unlocking randomly by gear. Something is for sure missing

  3. #3
    Potential Tuner krysienspeed's Avatar
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    Oct 2021
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    Let me know what they say. Pretty much told me to find it myself.