Audi A4 2017–2023 — technical service bulletin
Bulletin DC_91CD · NHTSA communication 10214849 · issued Jun 29, 2022
Technical service bulletin
communication type
Equipment
component
2017–2023
model years
18
vehicle entries
Official summary
91CD Motion for Audi Connect Customer Onboarding
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.