Service bulletins for the 2026 Audi A5
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.
224 on file from NHTSA, as of 2026-10-19.
About B1477 on the 2026 Audi A5: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: B1477 are shown. Show all
| TSB_2081656_2 | 2026-09-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information when central locking is not working; DTC B147611 or B147711 in diagnostic address 0009. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.