Also while running around 60 or more steady speed light throttle, you can feel a very, very hesitation and or pull extremely light pulsing in the vehicle while in OD
Appreciate all the info just being able to get back to the truck know, figured i would share little bit more info of what the transmission is doing, first off did have a service accelerator pedal sensor, checked with the scanner and it did have a sometimes dead spot in the voltage on the scanner...
I'm having a similar problem with my 97 gmc k2500 6.5 shifts smoothly torque locks in 3rd but no overdrive according to solus scanner it's commanded, shows 4th but isn't actually in 4th pulling shifter back to 3rd has no change, still need to do another run test to get more data, im a new user...