B129B on the 2020 Audi A4 allroad
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| A9124602067021_5 | 2024-02-06. Service bulletin. This bulletin provides information for when there is a malfunction with the garage door opener, Sirius XM, Online radio, or other malfunctions; DTC B129B11, B129C22, B123C13, U044700, or B200000. |
|---|---|
| A9122322061625_4 | 2022-10-05. Service bulletin. The message "SOS Malfunction - Emergency call malfunction, please contact service" may appear erroneously in the presence of DTCs B129B11 and/or DTC B239C11. No repairs are necessary at this time. |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.