2023-2025 Audi MMI Online Map Update Issues TSB

Owners of 2023-2025 Audi vehicles may experience various problems with their MMI automatic online map update (OTA) feature. Technical Service Bulletin (TSB) 2077204/1, released on March 11, 2025, provides detailed information and repair procedures to resolve these complaints.

Symptoms

Customers have reported several issues related to the Audi MMI online map update system:

• "Automatic online map update (OTA) not offered."
• "Automatic online map update (OTA) stops/freezes."
• "Automatic online map update (OTA) aborted, and error message displayed."

These complaints indicate that the navigation system's ability to receive and install map updates over the air is compromised.

Fault Codes / DTCs

During diagnosis, technicians may find the fault code B126CF0 logged in the event memory of control unit J794. This code is specifically associated with issues that may indicate a corrupt hard drive partition within the information electronics system.

Technical Background

The automatic online map update function must be manually activated in the MMI by navigating to HOME > Settings > System maintenance. It's important to note that no specific message is shown under "Software update" on the MMI to indicate new OTA map availability; updates run automatically in the background.

For MIB3 systems (including 7UG, 18Y, I8Z, GP1, Q7, and Q8 from MY 2023 without PR number), monthly map updates are initiated if changes are available for the region. These updates begin after approximately 10% of a journey using active route guidance. For MIB2+ systems (7UG with 18T, except Q3 with I8V), one automatic online map update occurs per quarter, triggered for the home region after 20 stationary periods.

Important Warnings / What Owners Should Know

• "No message is shown under 'Software update' on the MMI to indicate whether a new OTA map update is available as the map updates run automatically. The online map update starts automatically; the top status bar on the MMI display shows a car symbol with download arrows. Information on the update status is shown during installation. The update runs in the background (even if route guidance is active); a confirmation is displayed once installation is complete."
• For MIB3 and MIB2+ vehicles, owners can add their vehicle to their myAudi account to download navigation data via the web portal or myAudi app. This data can then be used for updates. It's recommended to delete the vehicle from your account after downloading.
• MIB3 and MIB2+ data are often the same, allowing reuse until new data is released (approximately every six months).
• Navigation data from myAudi can usually be installed without deleting existing data if it's newer. This is especially recommended for MIB2+ generation vehicles.

Diagnosis and Repair Procedure Summary

If you are experiencing Audi MMI online map update issues, the following steps are outlined for technicians:

1. Verify that all requirements for an automatic map update have been met, as detailed in the technical background.
2. Confirm that the automatic map update feature is activated in the MMI (Menu > Settings > System maintenance > Automatic online map update).
3. Ensure all privacy settings are deactivated.
4. Check if the license for the connect package is active.
5. Restore the factory settings for "Online updates" (MIB2+ only) or "All" under MMI HOME > Settings > System maintenance > Restore factory settings.
6. For MIB3 vehicles, check if "B126CF0" is logged in the event memory of control unit J794. If present, proceed to step 13; otherwise, continue to step 7.
7. If the automatic map update is still not offered after step 6, proceed to step 10.
8. If a map update has stopped part way through, temporarily deactivate the online map update, switch the vehicle off and on, then lock and unlock it.
9. After the vehicle is switched on and the MMI initializes, press and hold the top right corner of the display (where the time is shown) with two fingers to enter the red engineering menu. Use the volume control to navigate, then exit via "Reboot to the normal mode" and "Quick." This action erases any frozen map update.
10. Once the system is fully initialized, leave and lock the vehicle for one hour to allow it to enter bus sleep mode. Then, reactivate the automatic online map update (if previously deactivated). An online map update should then be offered and installed automatically.
11. If steps 1-10 do not resolve the problem, perform a terminal 30 reset on the information electronics control unit (J794 (5F)) by removing its fuse for at least 30 minutes.
12. Start the MMI, wait for full initialization, then restore factory settings for "Online updates" (MIB2+) or "All." Leave the vehicle parked for at least one hour (bus sleep mode) before reassessing the complaint.
13. If the issue persists, a corrupt hard drive partition may be the cause. The control unit for information electronics 5F does not necessarily need replacement. Instead, perform repairs according to TSB 2062115 (for MIB3) or TSB 2073866 (for MIB2+), with or without DTC B126CF0. This involves downloading the latest navigation map package from myAudi or using an existing medium.

Required Tools or Parts

To perform these procedures, technicians will need:

• USB Flash Drive, 32GB or larger
• VAS 6160/VAS 6150 tester with the current version of ODIS (Windows 10)

Warranty Information

Warranty claims are subject to review by Audi Warranty. The following Service Number / Damage Codes are applicable:

• 9107/A339: "No online map update is offered in the vehicle." (Issue not caused by vehicle technology)
• 9196/A339: "No online map update is offered in the vehicle." (Issue caused by the information electronics (diagnostic address 005F))
• 9107/A439: "An online map update was started but is cancelled or shows an error message." (Issue not caused by vehicle technology)

Labor operations and their time units (TU) include:

• Check display and operating unit control unit (remove fuse): 9196 0199 (20 TU)
• Program display and operating unit control unit: 9196 2599 (20 TU)
• Check and adjust display and operating unit control unit: 9196 0599 (10 TU)
• GFF: 0150 0060 (Time stated on diagnostic protocol)
• Charge battery: 2706 8950 (See SRT with associated operations)

All warranty claims must adhere to the Audi Warranty Policies and Procedures Manual.

NHTSA ID: 11016554