Service bulletins for the 2018 Audi S4
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.
796 on file from NHTSA, as of 2026-10-19.
About B1225 on the 2018 Audi S4: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: B1225 are shown. Show all
| A6923902051242_7 | 2023-07-10. Service bulletin. AIR BAGS. This bulletin provides instructions for when the airbag light is illuminated in the DIS, and may also be illuminated in the overhead console, and it is accompanied by DTC B122551. |
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| A6922862051242_6 | 2022-06-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains instructions for correcting DTC B1225F1. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.