m-9603-m8b

I remember when I first got my car (2021 GT), on WOT takeoffs the advancetrak light would light up leaving the light and would again come up on the shift from 1 to 2 gear. Now with 21k miles, I can't get the car to do that anymore. At about 11k miles I installed a M-9603-M8B (calibration w/cold...