Almost every transmission family ever produced has had weak spots or difficult areas to deal with, whether it is operation, diagnosis or assembly. The Volkswagen TF60SN (Aisin produced) is no exception.
One area of the TF60SN (09G) that has surfaced as troublesome is the valve body. In addition to the normal valve-body issues is the electrical concern. Today’s valve bodies not only have a ton of electrical do-dads to deal with, but the complexity of the items has also increased.