Audi Q7 2017–2018 — technical service bulletin
Bulletin SM 158-2018 · NHTSA communication 10149825 · issued Oct 31, 2018
Technical service bulletin
communication type
Service Brakes
component
2017–2018
model years
4
vehicle entries
Official summary
Part number listed is to be returned and only the success part number to be installed going forwward.
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.