2000 Audi A6 Quattro Q&A

2000 Audi A6 Quattro Question: what could b wrong if sometimes the reverse doesnt work on my car

the car shifts fine but ssometime when your in reverse and you give it power it stops working. we just bought the car and noticed it. -
Answer 1
check wire atach to trans -
Answer 2
ck fluid level to start with.when was the last trans service? -