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Service bulletin AOS-19-01

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10155741
Published by NHTSA2019-04-01
Manufacturer's numberAOS-19-01
Manufacturer's date2019-02-28
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

ODIS Service Enhancements

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Equipment and accessories, Labels and manuals, 12-volt battery

Vehicles listed
AUDI ALL MODELS

Listing a model year does not mean every vehicle of it is concerned: the document says which.