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Thread: Keep tcc locked in 4th

  1. #121
    Potential Tuner
    Join Date
    Sep 2014
    Posts
    4
    I'll try this to fix the problem I have. I have a fully raced prepped 60E in my '06 Sierra 1500 and it does the same thing in 4th. As soon as I let off of the throttle it unlocks. Since it has a 3200 stall billet converter in it when I get back in the gas it runs the rpms up then when it re-locks it slams back. Its an annoying PITA.

  2. #122
    Potential Tuner
    Join Date
    Jul 2022
    Location
    Texas
    Posts
    4
    Quote Originally Posted by HRD View Post
    Fixed!

    These settings fixed my TCC unlocking problem.
    Attachment 44121
    Old thread, but this works for anyone still playing with 80s and old pcms.