2020-2023 Audi MIB3 Infotainment System Updates TSB 2076404/6

Audi Technical Service Bulletin (TSB) 2076404/6 provides a comprehensive overview of planned customer service packages for vehicles equipped with the MIB3 infotainment and connectivity systems. This document is crucial for understanding the scope of software updates and improvements available for a wide range of 2020-2023 Audi models. It details which control units are involved and, importantly, refers to other specific TSBs that contain the actual update procedures for an Audi MIB3 infotainment update.

This TSB acts as a central reference point, guiding technicians and owners to the appropriate service actions for enhancing the performance and reliability of these advanced vehicle systems.

Symptoms Addressed

This TSB addresses general complaints reported by customers regarding their vehicle's infotainment and connectivity systems. While this overview TSB 2076404/6 does not list specific fault codes, it acknowledges that owners may experience various issues with their MIB3 system. The customer service packages detailed in the referenced TSBs aim to resolve these complaints through targeted software updates, providing a comprehensive Audi MIB3 infotainment update.

Affected Control Units

Several key control units are targeted for updates as part of these customer service packages. These updates are designed to improve the functionality and reliability of the MIB3 infotainment and connectivity features, ensuring a more seamless user experience. The following diagnostic addresses and their corresponding control unit names are involved in these service actions:

Diagnostic Address	Control Unit Name
0x005F	Control unit 1 for information electronics
0x0075	Emergency call module and communication unit
0x0693	Volume regulator

These updates aim to enhance the core functions of the vehicle's information, communication, and audio systems.

Applicable Vehicles and Platforms

The customer service packages are structured and deployed based on the vehicle's underlying platform. This update specifically applies to a broad range of 2020-2023 Audi vehicles that are equipped with MIB3 infotainment systems. Audi categorizes these vehicles primarily under two platforms: MLB and MQB.

MLB Platform Models (2020-2023):

• A4, A4 allroad, S4
• A5, A5 Cabriolet, A5 Sportback, S5, S5 Cabriolet, S5 Sportback
• RS 5, RS 5 Sportback
• A6, A6 allroad, S6, RS 6 Avant
• A7, S7, RS 7
• A8, S8
• e-tron, e-tron Sportback, e-tron GT, RS e-tron GT
• Q5, Q5 Sportback, SQ5, SQ5 Sportback
• Q7, SQ7
• Q8, SQ8, RS Q8
• A7 e quattro (2021-2022)
• A8 e quattro (2021)

MQB Platform Models (2022-2023):

• A3, S3, RS 3
• Q3

It is critical to confirm that your specific 2020-2023 Audi model is equipped with the MIB3 infotainment system for these updates to be applicable.

Related Service Bulletins for Software Updates

TSB 2076404/6 itself is an overview document and does not contain the detailed repair procedures. Instead, it refers to other specific Technical Service Bulletins that provide the actual software update instructions for the MIB3 system and connectivity box. These referenced TSBs are essential for technicians to perform the necessary Audi MIB3 infotainment update:

Vehicle Platform	Customer Service Package TSB
A4, A5, A6, A7, A8, Q3, Q5, Q7, Q8, e-tron quattro/Sportback, Q8 e-tron	TSB 2079133: 91 MMI software update, connectivity box for MIB3 vehicles (NAR version ST37)
A3, e-tron GT	TSB 2079134: 91 MMI software update, connectivity box for MIB3 vehicles (NAR version ST37+LSR)

These specific TSBs contain the detailed steps, required tools, and any part numbers necessary for the software updates.

Important Warnings for Owners

Owners should be aware of several key points regarding these customer service packages:

• MIB3 System Requirement: These updates are exclusively for vehicles fitted with MIB3 infotainment systems. If your vehicle has an older infotainment system, these specific service packages will not apply.
• Warranty Coverage: This TSB 2076404/6 is informational only and is not applicable to any Audi Warranty. Details regarding warranty accounting instructions for the actual software updates, including labor operations and damage codes, can be found in the specific referring TSBs (2079133 and 2079134).
• Production Solution: The software updates described are intended for service only and are not deployed in series production vehicles.

Revision History

This Technical Service Bulletin has undergone several revisions to ensure accuracy and provide the most current information. Understanding the revision history helps track the evolution of the information provided:

• Revision 6 (January 14, 2026): This latest revision included updates to the header, PR codes, the condition description (including the addition of the model table), and the service table.
• Revision 5 (September 8, 2025): This revision focused on updating the service instructions, specifically the work instructions for technicians.
• Revision 4 (May 28, 2025): This revision involved updates to the header, PR codes, and descriptions for control unit names.

Next Steps for Owners

If you are experiencing issues with your infotainment or connectivity systems, or if you wish to ensure your vehicle has the latest software, consult your authorized Audi service center. They can determine if your 2020-2023 Audi model is eligible for the updates outlined in TSBs 2079133 or 2079134, as referenced by this overview TSB 2076404/6. Your dealer will be able to perform the necessary Audi MIB3 infotainment update.

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Source: NHTSA ID: 11028407