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Q:

transmission control unit on 2004 Audi A4

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
What is the cost to change the transmission control unit?
(1) Answer
They range from about $600. BUT, be sure that it is not your trans because the CVT transmissions on these cars go out a lot and then they stick in 1 gear. I just had to install one on a 2005 A4 with a 4 cylinder ( non-quatro)