2024-2025 Audi MIB3 MMI Software Update TSB 2079681/1

Audi has issued Technical Service Bulletin (TSB) 2079681/1 to address software-related issues affecting the MIB3 infotainment system and connectivity box in certain 2024-2025 Audi vehicles. This TSB, released on October 14, 2025, provides a comprehensive software update designed to rectify various malfunctions that owners might experience with their vehicle's MMI (Multi Media Interface) system and related functions.

The Audi MIB3 MMI software update aims to improve the functionality and reliability of critical in-car systems, ensuring a seamless user experience and proper operation of safety features like the emergency call service. Owners of affected models, including the Audi Q8, experiencing infotainment glitches should be aware of this important update.

Symptoms of MIB3 Software Issues

Owners of affected Audi vehicles may notice a range of issues stemming from the MIB3 software. These problems can manifest in various aspects of the infotainment, navigation, communication, and entertainment systems. The most critical symptom noted is an "Emergency call fault" message displayed in the instrument cluster, indicating a potential failure of a vital safety system.

Other reported complaints related to the Audi MIB3 MMI software update include:

• Problems "controlling infotainment with buttons, controls, screen"
• Malfunctions with "screen settings"
• Issues with "operation, control, speech input"
• Difficulties with "telephone operation"
• Glitches in "Telematics, online services"
• Irregularities in the "instrument cluster, displays, screens"
• "malfunction display symbols" or "interference display for emergency call service" that activates unexpectedly
• General "telephony" problems
• Faults during "audio playback, audio settings"
• Irregular "radio operation"
• Problems with system "settings"
• Malfunctions related to "audio, video, television"
• Issues with "radio, navigation, MMI and drive device functions"
• Problems with "media playback"
• Infotainment system operation issues, particularly with the "multifunction steering wheel"
• Errors in "navigation mode"
• Problems with "Online Services"

These symptoms indicate underlying software issues within the MIB3 system, which the TSB 2079681/1 update is designed to resolve.

Diagnostic Conditions

Technicians diagnosing these issues will typically find specific software versions present in the vehicle's control units. The TSB identifies the following software versions in diagnostic address 005F (Information electronics 1) as indicators for the need of this update: 4014, 4026, 4318, and 4404.

Additionally, for the Android control unit (diagnostic address 078E), the update is specifically required if its current software version is below 0621. The TSB also references diagnostic addresses 0075 (emergency call module) and 0019 (gateway) as part of the update process, with specific SVM codes used for their software updates.

Important Warnings and Information for Owners and Technicians

Audi has provided several critical advisories within TSB 2079681/1 to ensure the correct and efficient application of this software update, while also clarifying warranty and billing procedures.

• Do Not Invoice Guided Fault Finding: Diagnostic entries logged in diagnostic address 0075 will be resolved by this software update. Therefore, Guided Fault Finding test plans related to these entries should not be performed or invoiced.
• USB Stick Handling is Critical: During the manual software update for the AED control unit, it is crucial to "Please make absolutely sure to leave the USB stick inserted." The USB stick should only be removed when explicitly prompted by the system, as indicated later in the procedure. The update process "This procedure will only work if the USB stick is still inserted" until the download is complete.
• Media Restrictions: "Do not use an SD card with an adapter USB stick" for the update. Only specific USB-C sticks are recommended. Furthermore, "Do not use a USB-C stick with a larger storage capacity" than specified (USB 2.0, 32 GB), as larger capacities may have different formatting processes that can interfere with the update.
• Non-Invoicable Items: The cost associated with the USB-C stick itself and the process of downloading the software via FMC (Flash Media Center) "cannot be invoiced."
• Warranty Billing: When performing this TSB, "time stamps are not required for billing under warranty." This flexibility allows technicians to work on other vehicles during the lengthy update process. The update can also be performed by "non-productive personnel."
• Interrupted Procedure: If the update procedure is interrupted for any reason, repeat step 2 of the repair process. The test program is designed to automatically perform any missing parts of the update.
• Referenced TSBs: This TSB refers to TSB 2060523 for general information on USB-C sticks for software updates and TSB 2079652 if the emergency call LED in the roof module does not light up green after the update.

Repair Procedure Summary

The repair process detailed in TSB 2079681/1 involves a two-part software update for the MIB3 system and associated control units. It begins with a manual update for the AED control unit, followed by an SVM (Software Version Management) code update for other modules.

1. Manual Software Update for AED Control Unit (078E) via Red Menu

This step is performed if the Android control unit (diagnostic address 078E) has a software version below 0621. The AED control unit can only be updated through the MMI's hidden 'red menu'.

1. Preparation: Insert the prepared USB update medium into the vehicle's USB connection port.
2. Access Red Menu: Select the red menu by pressing the designated MMI buttons (specific button combination is implied but not detailed in the TSB, typically requiring a simultaneous press of several MMI controls).
3. Initiate Update: Within the red menu, select "Update" and choose the USB connection as the source for the update medium. Use the volume control to navigate and confirm selections. The system will display all control units to be updated; scroll down and start the update.
4. MMI Restart and Initialization: After the manual update completes, the MMI will restart. Allow the MMI to fully initialize, ensuring the home screen is complete and all applications are displayed.
5. System Restart: Restart the MMI system by pressing and holding the volume control for 10 seconds.
6. Check Notifications: Open the notification center and switch to the "Audi connect notifications" tab. Wait for several minutes for further information to appear.
7. USB Stick Removal: Once the download is complete (approximately 5 minutes), the system will prompt you to "Now remove the USB stick."
8. Final Check: Restart the system again by pressing and holding the volume control, then verify the update's success by checking the notification center or Audi connect notifications.

2. SVM Code Update for Emergency Call Module (0075), Gateway (0019), and Information Electronics (005F)

This part of the Audi MIB3 MMI software update uses the SVM system to update the emergency call module, gateway, and information electronics control units.

1. SVM Function: Use the "SVM - Multiple authorized code inputs" function in "Flash" mode within the diagnostic tester.
2. Code Entry: For the new software update program, the specified SVM code must be entered precisely, including commas and without spaces. It is recommended to scan a QR code or copy and paste the code chain to avoid errors.
3. Determine Software Version: Determine the current software version in diagnostic address 0019 using SVM code DUCIDENT0019 in the "SVM – Authorized Multiple Code Entry" function.
4. Apply Code Chain: Based on the determined software version in diagnostic address 0019 (e.g., 0051), use the appropriate SVM code chain. For software version 0051, the code chain is 078EA001,FLIGHTON0075MLB,ZGDOIP,CL3BPA001US,TGU1MDMVB,CL3BPA002US,FLIGHTOFF0075MLB. A similar, longer code chain is provided for all other software versions in diagnostic address 0019.

3. Bus Sleep Mode

After completing the software update, the vehicle must be put into bus sleep mode. Then, switch the ignition back on and start the MMI.

4. Check Emergency Call LED

Verify that the emergency call LED in the roof module lights up green. If it does not, refer to TSB 2079652, "Emergency call LED in roof module not lit up in green."

5. End Diagnostic Session

Conclude the procedure by ending the diagnostic session and sending the diagnostic log online.

Required Tools and Parts

To perform this Audi MIB3 MMI software update, specific tools and update media are necessary:

• USB-C Sticks: Two USB-C sticks are required. These should be USB 2.0 with a capacity of 32 GB. It is important not to use USB-C sticks with larger storage capacities due to potential formatting incompatibilities.
• AED Control Unit Update Media: The part number for the AED control unit update media is 8W0906961DQ, applicable to all models.
• MIB3 Update Media: The MIB3 software update media part numbers vary based on the existing software version:
  • For MIB3 SW versions 4014, 4026, and 4404, the part number is 8W0906961GB.
  • For MIB3 SW version 4318, the part number is 8W0906961GF.

These part numbers are crucial for downloading the correct software onto the USB-C sticks before initiating the repair.

Warranty Information

This Technical Service Bulletin outlines specific warranty guidelines. If the vehicle is outside of its warranty period, this TSB serves as informational guidance only. For vehicles under warranty, claims for payment must adhere to the Audi Warranty Policies and Procedures Manual. As noted, time stamps are not required for billing, and non-productive personnel may perform the update. Diagnostic entries resolved by this TSB should not be invoiced under Guided Fault Finding test plans.

---

Source: NHTSA ID: 11025297