Service bulletins for the 2024 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.
793 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Exhaust and emissions are shown. Show all
| A0123012071945_2 | 2024-01-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin provides information when the exhaust warning light is illuminated; engine starter relay test plan DTC P000000. |
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| A0123902071945_1 | 2023-12-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This bulletin provides information for when there is an exhaust warning light; DTC P000000 engine starter relay test plan. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.