Service bulletins for the 2019 Audi A4 allroad
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.
503 on file from NHTSA, as of 2026-10-19.
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By component
By trouble code
Only bulletins with component: 12-volt battery are shown. Show all
| AWC 19-05 | 2019-09-10. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:LABELS; EQUIPMENT. This communication is issued to inform dealers of updated shipping regulations related to lithium ion batteries. |
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| A91164120436602 | 2017-03-07. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE; SEATS:MID/REAR ASSEMBLY. THIS TECHNICAL SERVICE BULLETIN EXPLAINS HOW TO DIAGNOSE ISSUES WITH THE REAR SEAT ENTERTAINMENT TABLETS AND HOW TO UPDATE THE SOFTWARE OF THE TABLETS. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.