P0741 Audi -

Question

which solenoid needs replaced to fix p0741 code on an audi

Answer 1

P0741 Torque convertor clutch circuit performance or stuck off

You may not need to replace any solenoid, There is a TSB about P0741 / 17125 this is about the TCC internal oil seal failure, the TCC internal seal is not replaceable you will need to replace the torque convertor TSB 32 08 02