Audi A4 2020 — technical service bulletin
Bulletin A9124332067021_6 · NHTSA communication 11005936 · issued Jul 27, 2024
Technical service bulletin
communication type
Electrical System
component
2020
model years
9
vehicle entries
Official summary
This bulletin provides information when there are Garage opener/SXM/Online Radio or other malfunctions B129B11, B129C22, B123B13, B123C13, U044700 or B200000.
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.