Audi A3 2021–2023 — technical service bulletin
Bulletin A9122412065485_3 · NHTSA communication 10226905 · issued Nov 2, 2022
Technical service bulletin
communication type
Equipment
component
2021–2023
model years
9
vehicle entries
Official summary
This bulletin contains repair instructions for when there is an interference described as a whistling noise that changes notably with the engineà ¢à  à  s RPM on a Bluetooth phone call. No relevant DTCs stored.
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.