2000 Audi A6

On certain vehicles, if a plastic cover is not securely installed to the drivers-side support crossmember, the headlight switch wiring harness could short out on the crossmember and cause a fire. Note: Further evaluation revealed that only U.S. vehicles are affected. Canadian-market vehicles are equipped with a different headlamp switch wiring harness which includes Daytime Running Lights (DRL). As a result Canadian vehicles will not experience this type of electrical wiring problem, therefore the recall is cancelled.

On certain Audi A6 Quattro, sulphur in the fuel interacting with certain additives found in widely available fuel can become deposited on certain contact points on three sending units mounted inside the fuel tank. Low electrical resistance at contact points of any unit signals that the tank is full. The accumulation of sulphur deposits on contacts would increase the resistance and erroneously signal that the tank is filled with fuel while in fact it may not be full or could be empty. If a driver is not cognizant of the miles driven and the potential driving range of their vehicle from a fuel fill, the erroneous fuel level signal could cause the vehicle to become inoperable without prior warning. Correction: Fuel sending units will be replaced with redesigned sending units.