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Thread: Auto TCC Release question

  1. #1
    Tuner Dan Wendling's Avatar
    Join Date
    Apr 2009
    Location
    Gaithersburg, MD
    Posts
    71

    Auto TCC Release question

    Have a question on Auto TCC operation on a T48 TCM and 6L80 Trans. An example best explains my question.

    2nd gear Apply and Release are set 222 mph
    Traveling in 3rd gear with TCC locked (applied) (>35 mph)
    Shift down to 2nd gear

    Will the TCC go to an unlocked state?
    2009 Cyber Gray C6 Coupe, A6, F55 Shocks, Z51 Brakes

    Halltech Killer Bee, Comp Springs, Kooks 1.75 Long Tube Headers, Random Technologies Cats, .25" Tunnel Plate, RPM 3.42 Rear, 2600 Stall TC.

  2. #2
    Advanced Tuner
    Join Date
    May 2007
    Posts
    489
    Yes, as soon as the transmission sees you either got WOT or downshift into second it is going to unlock the converter.