Audi A3 2021–2023 — technical service bulletin
Bulletin A9123862065485_4 · NHTSA communication 10233754 · issued Mar 31, 2023
Technical service bulletin
communication type
Equipment
component
2021–2023
model years
9
vehicle entries
Official summary
This bulletin provides instruction for when a customer states that the Speech Dialog System is not working, but hands free calls are possible, and recipients of outgoing phone calls describe a whistling noise that changes notably with the engine's RPMs.
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.