T and C 2002 3.3L fwd, transmission all lock up
 

I was driving at 60 mph and all the sudden the van shifted down hard. So hard the front wheels squeal and I pulled over to the side of the road. I shut the engine down,and now it will not go into any gear. you feel it engage but it will not move like it's stuck in all gears at the same time. I got codes P0700, and the one for input speed, and the one for output speed. The van will not move in neutral you have you have the engine running, you have to cut the engine off to move it in neutral.So I towed the van home.

Just a guess but it sounds like its lost it's road speed signal. Is ABS light on.

No the ABS is not on.
SRS light comes on and off sometime when i'm driving, its ways done that.
I had P0700,P0715,and P0720 codes, when the problem started, but now those codes are gone. and i have P1192 i had that for some time now.