Here you go. Looks like there are certain VIN ranges on A3, A4, A6, and A8s where the ECM needs to be re-flashed.

<img src="http://pictureposter.audiworld.com/158/tsb_rvu1_small.jpg">

<img src="http://pictureposter.audiworld.com/158/tsb_rvu2_small.jpg">

<img src="http://pictureposter.audiworld.com/158/tsb_rvu3_small.jpg">

<img src="http://pictureposter.audiworld.com/158/tsb_rvu4_small.jpg">

<img src="http://pictureposter.audiworld.com/158/tsb_rvu5_small.jpg"><ul><li><a href="http://www.stahmann-motorsports.com/Audi/TSB%20RVU/TSB_RVU.zip">Zip HERE</a></li></ul>