Audi A4 2015–2021 — technical service bulletin
Bulletin A4020072047920_4 · NHTSA communication 10175955 · issued May 18, 2020
Technical service bulletin
communication type
Steering
component
2015–2021
model years
22
vehicle entries
Official summary
The bulletin contains diagnosis information for noises on the front end of the vehicle. Potential rolling sounds.
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.