"Why do we say that changing the Vw automatic transmission fluid (ATF) extends the life of your transmission? We've witnessed in our own service facility what regular transmission fluid maintenance can do. The biggest difference we've seen is the elimination of shift problems in Vw tiptronic transmissions due to old transmission fluid and filter. Remember, you should always change the Vw automatic transmission filter every time you do a fluid change. Why contaminate clean fluid with the sediment that is stored in an old automatic transmission filter"

Read on.......http://www.blauparts.com/vw/vw_fluid...on_fluid.shtml

Also get a code read done.

Regards
Jim