Service bulletins for the 2017 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.
413 on file from NHTSA, as of 2026-10-19.
About U140A on the 2017 Audi S8: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: U140A are shown. Show all
| TSB_2073867_3 | 2026-07-07. Service bulletin. ENGINE. This bulletin provides information when DTC U140A00 Terminal 30 is stored in the ECM. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.