So i’ve been having this issue for a couple weeks now, My truck will throw out codes for p1755 and lately p1503. And when the truck is throwing these codes out my transmission will shift very late in 1-2 and then perfectly fine the red of the gears it’s an 07 5.9 with an auto and it’s 4x4 DRW. However there’s times i’ll start my truck and the codes will vanish and my truck will shift completely fine i’ve already disconnected both grounds for an amount of time and it will clear those codes but after a while it comes on again like the next day or so. All help is appreciated thank you.