yeah, you messed up by trying to restore a stock tune from another vehicle that was not for yours...

get the car to a dealer and have the ECM/TCM flashed back to latest factory stock GM programming...

and then trade in that ollllld dead predator to diablosport to get a $100-$150 discount on ...

hi i brought an used Predator u7194 with 9r26 it was merried to a silverado truck i could tell by checking the last tune vin#.
Every time i tried to used the tool it told me "The last tune did not finish...restore...yes.. no" i allways hit "ESC" and use it to read codes.

But a day before i called ...