2025 Audi Q8 Bluetooth/Smartphone Interface Connection TSB

Symptoms

Owners of affected 2025 Audi vehicles may notice that their Bluetooth and/or Audi smartphone interface sometimes take a long time to connect. This can lead to frustration when trying to use hands-free calling or media streaming. Additionally, customers have reported that the "reception bar in the MMI is sometimes greyed out" during this time, indicating a potential connection issue. These symptoms point to an unreliable Audi Q8 Bluetooth connection.

Bulletin Information and Revisions

This document is Audi Technical Service Bulletin (TSB) 2079837/2, with a transaction number of 2079837/2 and a release date of February 27, 2026. It is a revision (Revision 2) of a previous bulletin, which updated visible markets and models, and added a model table to the condition section. The initial publication of this TSB was on October 30, 2025. This TSB supersedes Pending Service Solution (PSS) TSB 2079418, titled "91 MY25 Bluetooth/Audi smartphone interface takes a while to connect or connection interrupted," which addressed the same issue.

Technical Background

Audi Technical Service Bulletin 2079837/2 identifies a software issue within the emergency call module control unit and communication unit (labeled DA 0075) as the underlying cause for the Audi Q8 Bluetooth connection problems. This software malfunction can lead to the observed delays in connection and interruptions of the smartphone interface. The bulletin specifies that no production solution is applicable for this issue, meaning it must be addressed via service action.

Repair Procedure Summary

To resolve the slow or interrupted Bluetooth and Audi smartphone interface connections, the recommended repair involves updating the MMI software. This Technical Service Bulletin 2079837/2 directs technicians to follow the detailed instructions provided in TSB 2079416, titled "91 MMI: overview of customer service packages MLB and MQB for MIB3/ConBox/OCU3/AED2/gateway after UNECE deployment." This update aims to rectify the software fault in the emergency call module control unit and communication unit (DA 0075), improving the Audi Q8 Bluetooth connection reliability.

What Owners Should Know About Billing

Audi has issued specific guidance regarding billing for this repair. Owners should be aware that repairs performed under this Technical Service Bulletin 2079837/2 should not be billed directly under this TSB. This document serves as a reference only, and all billing information and procedures for the software update instructions are detailed in the relevant TSB (2079416) that outlines the MMI software update process. Always check with your Audi dealer for specific warranty and billing details related to software updates.

Source: NHTSA ID 11029403