Why won't our truck change into gears. on 2007 Dodge Ram 1500

When we start our truck it will not go into any gear.the only gear it will hold is park.The codes said to change the transmission filters (we did, this did not change anything) can someone please help us out. The truck only has 77676 miles. And we have only made 5 payments on it.

by in Hughes Springs, TX on July 15, 2014
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1 answer
ANSWER by , July 16, 2014
GET A FREE DIAG AND EST FROM AAMCO THEN POST FINDINGS B4 REPAIRING