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Service bulletin Circular 90o8

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 id10178828
Published by NHTSA2020-09-03
Manufacturer's numberCircular 90o8
Manufacturer's date2020-08-20
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

MyAudi login is not possible in affected vehicles.

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, Software

Vehicles listed
AUDI A42020
AUDI A52020
AUDI A5 CABRIOLET2020
AUDI S52020

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

Other bulletins for the same vehicles and component
A0023822047812_72024-01-04. Service bulletin. This bulletin provides information on how to set up and use the SD Creator for obtaining vehicle software updates via the Mirror Server.
A9123542067843_32024-01-04. Service bulletin. This bulletin provides information when the configuration appears without apparent reason with MIB3.
A9123432071056_22023-12-06. Service bulletin. This bulletin provides information for when Outlook contacts are not accessible via the MMI when using Apple devices with MIB3.
A9123072064681_32023-07-10. Service bulletin. This bulletin provides information for when wireless charging with the Audi Phone Box does not work.
A9123952067843_22023-06-06. Service bulletin. This bulletin provides instructions to disable the configuration wizard.
A7222442048311_62022-07-01. Service bulletin. This bulletin contains a software update to correct an intermittently inoperative seat belt positioner.
A4622332051095_72022-07-01. Service bulletin. This informational bulletin contains instructions on how to download and use the Audi Frequency App.
DC_Closure 90T22022-06-07. Service bulletin. This is to inform you that Audi has decided to discontinue the update that was being provided under Service Action 90T2.
A9122002067021_12022-06-07. Service bulletin. This bulletin describes several software updates that addresses a variety of errors that may occur in the MIB3.
A4822272065871_22022-05-05. Service bulletin. The steering warning lamp may light up in the instrument cluster with a steering fault due to a software issue. This bulletin describes the steps to perform the update.