One problem related to speed control linkage has been reported for the 2003 Audi A6. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Audi A6 based on all problems reported for the 2003 A6.
While driving 30-35 mph vehicle completely shut down. There was no warning. Consumer found that the vehicle had the incorrect speed sensors installed on it. Also, these bad sensors were on each of the wheels.