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Thread: 2019 F150 10r80 light throttle shifts

  1. #1
    Potential Tuner
    Join Date
    Dec 2020
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    4

    2019 F150 10r80 light throttle shifts

    My F150 has a harsh shift from 3-5 at light throttle. The truck has a Roush Supercharger and has the stock Roush Tune. The strange thing is that it doesn?t do it all the time. It shifts smooth in some occasions, yet it goes back to the harsh shift. It is only present when it?s half throttle or less. Any idea on how to fix the issue? Also not sure if this is only a Roush thing.

  2. #2

  3. #3
    Potential Tuner
    Join Date
    Dec 2020
    Posts
    4
    Do I zero out all the tables under Shift pressures/General/Steady State General? Or what tables do I change in order to turn the adaptive off?