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Service bulletin 91FN Tool Notice

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 id10245595
Published by NHTSA2023-12-06
Manufacturer's number91FN Tool Notice
Manufacturer's date2023-11-21
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT

NHTSA's summary

91FN Tool Notice

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

Equipment and accessories, Labels and manuals

Vehicles listed
AUDI Q4 E-TRON2022 to 2023

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