Audi A4 1998 — technical service bulletin
Bulletin 980291 · NHTSA communication 600913 · issued Mar 31, 1998
Technical service bulletin
communication type
Unknown OR Other
component
1998
model years
1
vehicle entries
Official summary
Vehicles with concert radio without bose sound system may exhibit an inoperative and / or distorted rear speaker. *yc
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.