Audi A6 2017–2019 — technical service bulletin
Bulletin SM 78-2019 · NHTSA communication 10165358 · issued Sep 17, 2019
Technical service bulletin
communication type
Equipment
component
2017–2019
model years
6
vehicle entries
Official summary
The part number listed in the document are to be returned if they meet the criteria provided.
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.