I had similar problems with mine that disabled all the driving aids add this to having EGR valve 2 problems and I rejected the car as Audi didn’t know when the undefined fault was with the driving aid fault.
i pick up my new A6 next week....having to give the A8 loan car back which I’m going to miss
New A6 Faults
in Audi A6 (C8) Forum
Posted
I had similar problems with mine that disabled all the driving aids add this to having EGR valve 2 problems and I rejected the car as Audi didn’t know when the undefined fault was with the driving aid fault.
i pick up my new A6 next week....having to give the A8 loan car back which I’m going to miss