Service bulletins for the 2018 Audi S8
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.
344 on file from NHTSA, as of 2026-10-19.
About U1121 on the 2018 Audi S8: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: U1121 are shown. Show all
| A4321532059363_2 | 2021-09-02. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. This bulletin contains repair instructions for DTC C1260F0 and U112100 with an air suspension malfunction warning. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.