Can you change shift perimeters for a DT12 transmission in DDDL 8.17. Transmission always goes to 1st gear to start don't pull heavy loads and want to put it in performance mod. I have done it with a ultra-shift in service ranger but it doesn't recognize the dt12
DT12 Transmission quuestion
Discussion in 'Freightliner Forum' started by koolaid6666, Dec 19, 2023.