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Thread: TCC locking/unlocking coasting downhill

  1. #1
    Junior Member
    Join Date
    Dec 2016
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    Default TCC locking/unlocking coasting downhill

    Everytime I coast downhill in 6th gear the TCC cycles on then off, then on, then off... it's driving me crazy. I have to put the car in TUTD when coasting down a long grade.

    I've managed to tune it out with the AC off by putting some MPH between the lock/unlock rpm in the tcc tables. As soon as I turn the AC on all that goes out the window. I'm wondering if I should change the RPM for the "Min slip AC on" table. The problem with that value is that it's positive and the TCC slipping on coast is a negative value (since the engine is a higher RPM than the trans).

    Stock converter, 3.27s. Everything else runs awesome.

    Any suggestions?

  2. #2
    Junior Member
    Join Date
    Dec 2014
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    post tune and log

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