2000 dodge ram 1500 2wd, automatic. will not move in reverse on 2000 Dodge Ram 1500

truck acts like its still in neutral,won't try to pull at all. was told to change transmission fluid and it would work again for a few months,maybe a year.should i try this first,before i have transmission checked?could it be a sensor?my son was driving it,it pulled good,parked it,tried to move it next morning,won't do nothing in reverse.all other gears work good. transmission fluid is reading full.transmission overheat light did come on twice a couple weeks before it went out

by in Potwin, KS on August 06, 2013
2 answers
ANSWER by on August 06, 2013
Changing the fluid won't help! If that were the case, it would be the same in ALL gears. Most likely worn or broken internal parts. Reverse band probably but will need to be checked by a trans. mechanic to be sure.
ANSWER by on August 06, 2013
seek a free diag and est from aamco then ck prices
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