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Service bulletin 90M3CircularRev1

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 id10160375
Published by NHTSA2019-06-05
Manufacturer's number90M3CircularRev1
Manufacturer's date2019-05-15
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

SERV_ACT - Gateway Control Module Software Update - REVISION - Also includes A5 Sportback and RS5 Sportback.

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, Software

Vehicles listed
AUDI A4 ALLROAD2019
AUDI A52019
AUDI A5 CABRIOLET2019
AUDI A62019
AUDI A72019
AUDI A82019
AUDI Q52019
AUDI Q72019
AUDI Q82019
AUDI S5 CABRIOLET2019
AUDI SQ52019

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
A9124032056558_32024-05-06. Service bulletin. This bulletin provides software update instructions for MIB2+.
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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.
A0123952067767_62023-12-06. Service bulletin. This Pending Service Solution requests that technicians create a record in the Pending Service Solutions database in instances where the MIL/EPC light is illuminated with various warnings or poor performance; P060C00 is stored.
Dealer 24iY2023-09-01. Service bulletin. Dealer Letter to announce Repair Available – Emissions Service Action 24iY / ECM Software
A9123072064681_32023-07-10. Service bulletin. This bulletin provides information for when wireless charging with the Audi Phone Box does not work.
A2723552058831_82023-06-06. Service bulletin. This bulletin contains a software update for DTC P0CA700 or U046900.
A2723512058831_72023-04-06. Service bulletin. This bulletin contains a software update for DTC P0CA700 or U046900.
A4822362067555_22023-01-06. Service bulletin. This bulletin provides a software update for DTC B200049 with Symptom Code 7353984.
A2722452058831_12022-10-05. Service bulletin. This bulletin contains a software update for DTC P0CA700 or U046900.