The sticker contains the 3-letter engine code and 3-letter gearbox code.
A 3-letter code may be stamped directly onto the housing, usually on the driver's side near the front differential flange. audi a6 gearbox codes
A dealer or comprehensive VIN decoder can identify the exact gearbox originally installed. Common A6 Transmission Issues & Fault Codes The sticker contains the 3-letter engine code and