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Service bulletin A9121902056558_2

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 id10190529
Published by NHTSA2021-05-06
Manufacturer's numberA9121902056558_2
Manufacturer's date2021-04-13
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM

NHTSA's summary

This informational bulletin contains software update instructions for MIB2+ systems.

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 A62019, 2020
AUDI A6 ALLROAD2020
AUDI A72019, 2020
AUDI A82019, 2020
AUDI AUDI
AUDI E-TRON2019
AUDI E-TRON2020
AUDI Q32019, 2020
AUDI Q72019, 2020
AUDI Q82019, 2020
AUDI RS Q82020
AUDI RS62020
AUDI RS72020
AUDI S62020
AUDI S72020
AUDI S82019
AUDI S82020
AUDI SQ72020
AUDI SQ82020

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+.
A9124702062466_42024-03-06. Service bulletin. This bulletin provides information when Apple CarPlay cannot be started using Wi-Fi connection (Wireless CarPlay).
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.
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.
A9323052070110_22023-06-06. Service bulletin. This bulletin advises to verify the part number of the replaced, and the new charging socket when performing service work in order to ensure that the proper software update is performed.
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.