Transmission problems on my 2002 audi a4 3.0 mutitronic

Question by posted 1 month 1 week ago in 2002-2005 (B6 8E)

the vehicle had difficulty selecting reverse gear, i removed the tcm unit from the transmission, after opening the unit i found some wires loose from the contact points.I have resoldered the wires and installed the tcm. Now when i switch the ignition on the PRND does not even appear on the cluster. please help with some advice on ho to fix it