Well the truck seemed fine for awhile. started throwing a p0741 code came up the first time towing my trailer taking it pretty easy. it only throws the code when towing my trailer and after the trans was warmed up to operating temp. trans would get hot when this code shows up I'm assuming because the TC wasn't locking, babied it home and parked it for a week or so.
Next trip i took was about 300 miles and the truck ran awesome not a single hiccup until about 200 miles in to where we were headed trans got hot so i pulled over and the same p0741 code came up. cooled down a bit and got back on the road and the issue only got worse, but then a new code came up which was p1711 the other code was not coming up anymore. dropped the pan removed the valve body and made sure the E valve wasnt stuck noticed the f trim valve(i think) was scored up like the coating around the valve was chipping off. did my best too smooth it out i know ill need a new one but i had to get it home. threw the VB back in the truck and it seemed fine until it warmed up and threw a p0847 and won't go past 2nd gear.
after all that and having a buddy drive 300 miles to pickup my trailer i limped the truck home and the only way i could get past second gear once the trans was warmed up was to put my foot on the floor and get through the gears before it could set a code. now the only code i have coming up is p0847 and the truck will get stuck in 2nd gear. is the trim valve i smoothed out causing this issue? fluid was black and burnt when i dropped the pan all new fluid in it about a month ago and was fine up until now.
