Can't change values

[Millem35]

Hello all hoping someone can point me in the right direction I have the predator 2 for my 2019 rst and can't change the things like rev limit speed limit trans ect it let me do it one time but now it asks me if I want to and when I hit ok it just takes me back to the previous screen any help would be greatly appreciated

[mikel]

did you update the device, or did anything else change from when this was working to now?

[06MonteSS]

If you have the 8 speed transmission, then no, you won't be able to change any tranny settings... The 8 speed tranny can't be tuned in that truck...