Audi A4 2017–2019 — technical service bulletin
Bulletin A7023782044503_4 · NHTSA communication 10230644 · issued Jan 17, 2023
Technical service bulletin
communication type
Structure
component
2017–2019
model years
5
vehicle entries
Official summary
This bulletin provides instructions for when a customer hears a rattling noise coming from the rear parcel shelf or rear subwoofer grille when playing music.
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.