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Technical Service Bulletin Transaction No.: 2079904/2
91 Software update for MMI, connectivity box for MIB3 vehicles (version MLB G1 ST3BP without GW + AED) Release date: Mar 27, 2026
Condition
Model(s) VIN Range Vehicle Specific Equipment
A4, Ad allroad, S4, A5, AS Cabriolet, AS
Sportback, S5, S5 Cabriolet, S5
Sportback, RS 5, RS 5 Sportback, Q5, 2024 All
Q5 e quattro, Q5 Sportback, SQ5, and
SQ5 Sportback
000001 — 002665 OO5F
Ingolstadt, :
Ad, and 4 2025 {ingotstact) Software
000001 - 001497 4014
(Neckarsulm) 4026
Ad allroad 2025 000001 - 002665 4318
4404
AS Sportback, and S5 Sportback (F5) 2025 000001 — 002860
RS 5 Sportback 2025 900000 — 901350
Q5, Q5 Sportback, SQ5, and SQ5
Sportback (FY) 2025 000001 — 031004
REVISION HISTORY
vision Onto [Pupore
P|. | Revised header (Updated market visibility)
11/11/2025 | Initial publication
Customer statement:
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 one of the following software versions in diagnostic address 5F: 4014, 4026, 4318, 4404.
Adifferent TSB may have instructed you to refer to this TSB in the context of a software update for multiple control units.
Technical Background
Software issues.
Production Solution
The new software for the affected control units was implemented in production in model year 2025.
Service
Important information before updating the software
+ Diagnostic entries logged in diagnostic address 0075 will be repaired by a software update described in this TSB. The Guided Fault
Finding test plans should not be carried out and cannot be invoiced.

+ — Alengthy period of inactive time is to be expected during the software update. You can work on a different vehicle during this time.
This is considered in the warranty accounting instructions.
Ovinen carrying out this TSB, time stamps are not required for billing under warranty.
+ Anewly developed test program is used to input the SVM code. Please ensure that the tester being used has the latest ODIS
update. The new test program for software updates is included in ODIS software.
+ Note: The vehicle uses acoustic signals and flashing lights to indicate when user input is required during and at the end of the test
program.
+ Asecond USB-C stick is required for the software update for the Android control unit (see parts information for part number). This
update must only be performed if the software version in diagnostic address 078E is below 0621.
+ Important: Please prepare the required USB-C sticks (see parts information) before starting the repair. The update media can be
used for multiple vehicles
+ This update package also includes new software for the MIB3 infotainment system. Useful information for MIB3 software updates
can be found in TSB 2060523 91 MIB3: Software Update Instructions.
Repair procedure
1. Manual software update for AED control unit (078E) via red menu
Please skip step 1 if the Android control unit (078E) already has software version 0621.
The AED control unit can only be updated via the red menu in the MMI.
Insert the USB update medium in the USB connection (see parts information for part number).
Select the red menu by pressing the following buttons:
p
‘di
Select “Update” and the source in which you have inserted the update medium (USB connection). Use the volume control to do this. All
control units to be updated (AED) are shown; scroll all the way down and start the update.
Once the manual update has been successfully completed, leave the red menu entirely before starting a diagnostic session.
Please make certain to leave the USB stick inserted. The correct time to remove the USB stick is described further down.
The MMI will now restart.
Wait until the MMI has fully initialized. The home screen must be complete and display all apps.
Please restart the system by pressing and holding the volume control for 10 seconds.
Open the notification center and switch to the “Audi connect notifications” tab.

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QA Benachrichtigungen 88 Connect Benachrichtigungen
Keine Benachrichtigungen
It may take several minutes for further information to appear. Please wait.
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QQ Benachrichtigungen 82 Connect Benachrichtigungen
OTA Updater Service
Software Update
Software Update 0621 (814MB) wird heruntergeladen.
Please note: This procedure will only work if the USB stick is still inserted.
Please wait (approx. 5 min.) until the download is complete.
~, Zax 19) O CO 0 Ge 13:16 —4
N ~ Om > 2609205 “O
J Benachrichtigungen 8 Connect Benachrichtigungen
88 OTA Updater Service
Software Update
Download des Software Update beendet.
Ein Neustart ist erforderlich
Please restart the system by pressing and holding the volume control.
Check whether the update was successful by calling up the notification center / Audi connect notifications

1 a ~ | 0 G@ Whe 13:17
N > OR 2 (2 26.09.2025 ze}
QA Benachrichtigungen 88 Connect Benachrichtigungen
82 OTA Updater Service
Software Update
Gratulation! Software 0621 wurde erfolgreich installiert
Vielen Dank!
2. SVM code for AED control unit, software update for emergency call module (0075) and information electronics (005F)
Use the function “SVM - Authorized Multiple Code Entry” in “Flash” mode.
IMPORTANT: For the new software update program, the following SVM code must be entered exactly, including commas and without
spaces (recommendation: scan QR code with hand-held scanner or copy and paste the SVM code chain).
078EA001,DUCDTCPR0075MLB,FLIGHTON0075MLB,ZGDOIP,CL3BPA001US, TGU1MDMVB,CL3BPA002US,FLIGHTOFF0075MLB
I creat ia
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Nites Ft
Pe note er -
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The test program initially prompts you to use a USB medium (see parts information for part number)
The USB-C stick can be removed after completing the program.
Note: If the procedure has been interrupted, please repeat step 2. The test program will then automatically perform the missing part of
the update.
3. Bus sleep mode
Put the vehicle in bus sleep mode after performing the software update.
Then switch the ignition back on and start the MMI.
4. Check emergency call LED
Check whether the emergency call LED in the roof module lights up in green again.
If the LED does not turn green, please refer to TSB 2079652 Emergency call LED in roof module not lit up in green.
5. End diagnostic session and send off diagnostic log online.
Warranty

Claim Type: + If the vehicle is outside of any warranty, this Technical Service Bulletin is informational only.
One of the following service numbers (depending on the complaint) should be used in combination with
damage code 0041 for billing.
Complaints about emergency call function or online services
The following is valid for A4, AS and Q5 vehicle models: 9145
Complaints about MMI functions
Service number/damage code: 9196
Damage Code: 0041
Labor Operations: Prepare repair 0151 0010 20TU
- Vehicle parked
- Charge 12 V battery
AED update (manual) 0151 0040 100 TU
(value in brackets applies if step 1 was skipped) (60 TU)
Launch software update for MMI and emergency call module
- Connect tester, start ODIS
- Flash mode
- Function Authorized Multiple Code Entry
- Copy/paste the code chain ==> 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 2079904/2
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.
When carrying out this TSB, time stamps are not required for billing under warranty.
You are therefore permitted to work on other vehicles at the same time. The update can also be performed by non-productive personnel.
The Guided Fault Finding test plans should not be carried out for diagnostic entries that are repaired by performing this TSB and cannot
be invoiced.
Required Parts and Tools
The following applies when creating the update media:
Please prepare the 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 the SD creator cannot be invoiced.

General information on USB-C sticks for software updates can also be found in TSB 2060523 91 MIB3: Software Update Instructions.
AED control unit update media:
All models 8W0906961DQ
MIB3 update media:
Download the software with the corresponding part number onto a USB-C stick (min. USB 2.0 with 32 GB).
Please do not use a USB-C stick with a larger storage capacity as such USB sticks have a different formatting process.
Vehicle type MIB3 SW version
Audi A4,A5,Q5 |4014 8W0906961GC

4026

4404
Audi A4,A5,Q5 [4318 8W0906961GG
Additional Information
All parts and service references provided in this TSB (2079904) are subject to change and/or removal.
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