PhilT
Catch me on RS246.com
If you have - We Need Your Immediate Help 
Here is the bit we need from UK owners, past and present - http://www.rs246.com/index.php?name=PNphpBB2&file=viewtopic&t=62699
Some history of the issue - We ran a survey and 77% of owners said that they had issues with DRC - http://www.rs246.com/index.php?name=PNphpBB2&file=viewtopic&t=59811
Similar initiative in the US - Audi USA also seem to have issues recognising this fault - http://www.rs246.com/index.php?name=PNphpBB2&file=viewtopic&t=62147
Here is the bit we need from UK owners, past and present - http://www.rs246.com/index.php?name=PNphpBB2&file=viewtopic&t=62699
Some history of the issue - We ran a survey and 77% of owners said that they had issues with DRC - http://www.rs246.com/index.php?name=PNphpBB2&file=viewtopic&t=59811
Similar initiative in the US - Audi USA also seem to have issues recognising this fault - http://www.rs246.com/index.php?name=PNphpBB2&file=viewtopic&t=62147