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Service bulletin Dealer 90T2_REV

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 id10209279
Published by NHTSA2022-04-05
Manufacturer's numberDealer 90T2_REV
Manufacturer's date2022-03-23
NHTSA componentCOMMUNICATION

NHTSA's summary

Update the emergency call module control unit and communication unit software. Added claiming and work instructions in the event an Emergency Call Module Control Unit and Communication Unit is faulty.

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.

Vehicles listed
AUDI A42020
AUDI A4 ALLROAD2020
AUDI A52020
AUDI A5 CABRIOLET2020
AUDI S42020
AUDI S52020
AUDI S5 CABRIOLET2020

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