Thats one of the problems with an auto, when one thing goes bad, you usually just replace it all cause its "bad" even though it might be fine its not worth the risk. I had a trans go out and the converter checked out ok! Then it shortly went out and took out the trans too! So ya live and ya learn!. They said the torque converter, clutches, pump and some other stuff is bad. That's a lot of stuff for a brand new truck. I would be fear full of having this problem with a new truck.