2002-2004 Audi A6 3.0L V6 transmission control module TCM
https://parts.audiusa.com/p/Audi__A6/Automatic-Transmission-Control-Module/48289730/4B0927156FF.html
The transmission control module is known by several names—the TCM, PCM, ECM, ECU, PGM-FI—and the problems associated with them can be esoteric.
