2002 dodge truck (1500) trans (any tech guys)

The fault they pulled off p-0736 is for "gear ratio error in reverse" List of possiable causes are 1. other related DTC's causing fault 2. intermittent gear raito errors 3. Internal Transmission problems. A TPS will not fix this problem unless there is related tps faults in system. Most of the time a gear ratio fault has 2-3 other faults with it, if there is other faults they need to be known in order to narrow problem down