Well if you're already deleted then your truck will not Regen you have to do it before erase once you go on a derate mode you have to take that truck to the garage to have them run a manual regen you can't do it

That doesn't mean anything having a half a tank of fluid def you should be able to run a region with one gallon of death cuz that's what it takes to one run a region one gallon

You have to turn the cruise control off

Did you ever figure it out?

Lol. Not working for me either. Temp is high & def light on blowing white smoke from exhaust when stopped at red lights. .. Why cant u cruise? Who do u drive for