One problem related to check engine light on has been reported for the 2012 Audi A6. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Audi A6 based on all problems reported for the 2012 A6.
The contact owns a 2012 Audi A6. The contact was driving 45 mph when she noticed that the check engine warning light was illuminated on the instrument panel. The vehicle was taken to the dealer for diagnosis where the dealer stated that they needed to replace the transmission oil. The vehicle was repaired but the failure continued. The manufacturer was contacted and stated that they would look into the issue. The failure mileage was 41 and the current mileage was 44.