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Thread: Unable to keep ZF 8hp70 in manual mode

  1. #1
    Tuner in Training
    Join Date
    Nov 2021
    Location
    Australia
    Posts
    17

    Unable to keep ZF 8hp70 in manual mode

    Hey guys,

    Does anyone know how to change the shift situations in the hptuners software? When sports mode is enabled, then I start shifting manually, the gearbox shifts perfectly.. until it is left for about 10 seconds (eg starting to climb a hill with the boat on), then it shifts back into auto mode and hits overdrive.

    I can see when the shift ID changes in the VCM scanner.. but I can't find where the "shift situation" is in the software.

    Any help to make it stay in overdrive would be greatly appreciated.

  2. #2
    Tuner
    Join Date
    Aug 2021
    Location
    Indianapolis Area
    Posts
    172
    Hey!

    Do you still have this issue happening?
    There are a couple of ways to make it to happen. You could change IDs, Shift Schedule, Shift Mode, ....

    In case you need personalized tuning support, let me know.

    Email: [email protected]