Audi A4 2017–2019 — technical service bulletin
Bulletin Circular 91CD · NHTSA communication 10207109 · issued Jan 11, 2022
Technical service bulletin
communication type
Equipment
component
2017–2019
model years
15
vehicle entries
Official summary
AT&T has announced its plan to discontinue its 3G network in the U.S. starting in February 2022. This will impact the Audi connect services in certain 2017-2019 model year Audi vehicles.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.