Kenworth 2022 t680 auto transmission issue

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Halflife3, Jun 7, 2023.

  1. Halflife3

    Halflife3 Bobtail Member

    Dec 22, 2021
    Hello everyone
    Recently my kenworth 2022 t680 started having an issue with the transmission the truck has only 170k miles. It mostly happened when I was going uphill when I downshifted from 12th gear in manual mode message popped up saying “stop driving or damage will accrue to the transmission” and same thing happened today when I tried to up shift from 11th gear in manual mode both times I had to pull of to the side turn off the truck and turn it back to and goes back to normal like nothing happened I do plan to take to the dealer but in the meantime anybody had this issue or something similar
    Thank you.
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