Technical Service Bulletins (TSBs) for the 2021 A4 allroad are official communications between Audi & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
Currently there are no TSBs on file with the NHTSA for the 2021 Audi A4 allroad.
