LN Connection offline

Technical Service Bulletin Transaction No.: 2079134/3
91 MMI software update, connectivity box for MIB3 vehicles (NAR version ST37+LSR) Release date: Dec 16, 2025
Condition
Model(s) Year(s) VIN Range Vehicle Specific Equipment
A3, $3, RS 3, e-tron GT, and
RS e-tron GT 2022 - 2023 All MIB3

REVISION HISTORY

Revision | Date Purpose

3 - Revised Condition (Added model table)

Revised Service (updated QR code and SVM code)

2 10/07/2025 | Revised Warranty (Update labor operations)
1 08/29/2025 | Initial publication
Customer states:

There may be problems with various MMI functions or “Emergency call fault” may be displayed in the instrument cluster.
Workshop findings:

The vehicle still has a software version Start

¢ — Insert the USB stick.

¢ Program runs automatically (service technician is not
required)

Conclude software update

« End the current test program
* Remove the USB stick

* Bus sleep cycle

* Check emergency call LED

* Quit the diagnostic session

* Disconnect charger

Claim Comment: As per TSB 2079134/2

All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures Manual. Claims
are subject to review or audit by Audi Warranty.

Required Parts and Tools

The following applies when creating the update media:

Please prepare the 2 required USB-C sticks before starting the repair.

You must not use an SD card with an adapter USB stick.

The USB-C stick and downloading the software via Flash Media Creator (FMC) cannot be invoiced.

General information on USB-C sticks for software updates can also be found in TSB 2060523: 97 MIB3: Software Update
Instructions.

Volume control update media:

Software version readout on diagnostic address 0693 | Part number