Interested in this also...... I have this logged, cleared and comes back
Code:
0378 - Coolant Circulation Pump
B10D0 04 [009] - Internal System Fault
Confirmed - Tested Since Memory Clear
Led me to a few threads like this
http://www.audiworld.com/forums/a8-s...rness-2862459/
Due to go in under warranty in a couple of weeks