Service bulletins for the 2019 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.
836 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Body and frame are shown. Show all
| A9120142060675_1 | 2020-10-06. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; EQUIPMENT:ELECTRICAL. This bulletin contains instructions for addressing the issue when the parking assist will intermittently alert the customer to an obstruction and the sensors look 'pushed in'. |
|---|---|
| A6620662060333_1 | 2020-09-03. Service bulletin. STRUCTURE. This bulletin contains instructions for when the black optic trim is discolored. |
| A6420722047061_2 | 2020-05-07. Service bulletin. STRUCTURE. This bulletin contains a cleaning procedure from leftover residue from suction cups or labels. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.