Was parking today and when shifted into reveres the truck was over powering the breaks, had the same feeling as being in 4lo but much stronger. Drove to the stealer and truck was very rough, surged alot. need some help.

Was parking today and when shifted into reveres the truck was over powering the breaks, had the same feeling as being in 4lo but much stronger. Drove to the stealer and truck was very rough, surged alot. need some help.
It's not the Ally. It can only move the truck as fast as the engine pushes it.
mike