Service bulletins for the 2021 Audi S6
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.
1155 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Alternator are shown. Show all
| DC_Alternator_9 | 2023-03-06. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. Meeting minutes mention alternator topic. |
|---|---|
| DC_Alternator_8 | 2023-03-06. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. Alternator Vehicle Down Form |
| DC_Alternator | 2023-01-06. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. Support for Customers Affected by Alternator Back-order |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.