Service bulletins for the 2015 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.
690 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Software are shown. Show all
| A20167020433572 | 2017-02-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. THIS TECHNICAL SERVICE BULLETIN PROVIDES A SOFTWARE CODE FOR CORRECTING AN ISSUE THAT CAUSES DTC P046100. |
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| A201683 2043357_ | 2017-02-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. THIS TECHNICAL SERVICE BULLETIN PROVIDES A SOFTWARE CODE FOR CORRECTING AN ISSUE THAT CAUSES DTC P046100. |
| 2039267/1 | 2016-05-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.