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Service bulletin 23T4-23U7

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 id10192861
Published by NHTSA2021-05-10
Manufacturer's number23T4-23U7
Manufacturer's date2017-10-19
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

Important revisions have been made to Emissions Recalls 23T4 and 23U7. These revisions include changes to the work procedure, Saga claiming instructions, loaner/rental vehicle requirements and label supply information.

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 AUDI

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