Service bulletins for the 2020 Audi A4 allroad
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
712 on file from NHTSA, as of 2026-10-19.
About B129B on the 2020 Audi A4 allroad: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: B129B are shown. Show all
| A9124602067021_5 | 2024-02-06. Service bulletin. EQUIPMENT:ELECTRICAL; AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT. 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. |
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| A9122322061625_4 | 2022-10-05. Service bulletin. EQUIPMENT:ELECTRICAL. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.