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2025 Audi Infotainment/Connectivity Restricted Functions TSB

Audi has released Technical Service Bulletin 2079981/2 to address various infotainment and connectivity issues in certain 2025 Audi A5, S5, Q5, and e-tron models. The TSB outlines a software update to resolve symptoms like 'Connection offline' and other restricted functions.

ByAhmet Topcu — Founder & Editor-in-ChiefAutomated summary2025 Audi A5
2025 Audi A5 — 2025 Audi infotainment restricted functions
Editorial illustration generated for this article.
2079981/220796902079981KD0291969145Connection offlineinfotainment/connectivity: restricted functionsMMI complaintsConnectivity complaints
Audi Q5
2025
Audi S5
2025
Audi SQ5
2025

Audi has issued Technical Service Bulletin (TSB) 2079981/2 to address various concerns related to infotainment and connectivity functions in certain 2025 Audi models. This TSB, released on February 4, 2026, is a revision (Revision 2) that updates an initial publication from November 10, 2025. The updates in Revision 2 include revised header information for affected models and updated warranty labor operations. The primary focus of this bulletin is to resolve issues that lead to "infotainment/connectivity: restricted functions" for owners, ensuring a fully functional in-car experience.

Symptoms

Owners of affected 2025 Audi vehicles may experience various complaints regarding their infotainment system and connected functions. These issues are broadly categorized as "MMI complaints" (Service Number 9196) and "Connectivity complaints" (Service Number 9145). A frequently reported symptom is the display of a "Connection offline" message, indicating a loss of network or system functionality. These customer complaints can often be reproduced by technicians during workshop diagnosis, confirming the presence of the "2025 Audi infotainment restricted functions."

OEM Fault Identifiers

The Technical Service Bulletin references specific internal codes and service numbers used by Audi to categorize and track these issues:

  • Damage Code: KD02
  • Service Number (MMI complaints): 9196
  • Service Number (Connectivity complaints): 9145

These identifiers help dealerships and technicians accurately identify and address the underlying software problems.

Technical Background

The root cause of these infotainment and connectivity problems, leading to "2025 Audi infotainment restricted functions," is identified as software issues within the vehicle's systems. Audi anticipates a gradual production solution for these issues, which will be implemented in new vehicles starting in 2026, with exact timing depending on the specific model.

Repair Procedure Summary

To resolve the "2025 Audi infotainment restricted functions," technicians are directed to update the vehicle's software. This procedure involves following the detailed instructions provided in TSB 2079690, which specifies the installation of software version "00 Combined software update 03.10.00/C (28.13.01) KD2."

The general repair process includes:

  1. Preparation: Connecting a battery charger to the vehicle to ensure a stable power supply throughout the update process. This prevents potential issues from power fluctuations.
  2. Software Update Initiation: Following the specific directions in TSB 2079690 to initiate the software update. This involves using Audi's diagnostic tools to flash the new software version onto the vehicle's infotainment control unit.
  3. Post-Update Procedures: Performing any required follow-up work, which may include managing the bus sleep cycle, conducting calibration drives, and restarting the software update if the initial flashing process is interrupted or aborted.

Required Software

The critical component for this repair is the software update itself:

  • Software Version: 00 Combined software update 03.10.00/C (28.13.01) KD2

This specific software package is designed to correct the underlying software issues causing the infotainment and connectivity problems.

Warranty Details

Warranty claims for this software update must adhere to the Audi Warranty Policies and Procedures Manual, and all claims are subject to review and audit by Audi Warranty. The TSB outlines specific labor operations and time units (TU) for the repair:

  • Labor Operation 0151 0010: Covers setup and distribution times, including connecting the battery charger. This operation is allocated 20 TU.
  • Labor Operation 0151 0040: This is a fixed rate for the software update, encompassing all required preliminary and follow-up work. This includes tasks such as managing the bus sleep cycle, performing calibration drives, and any additional work or restarting the software update if flashing is aborted. This operation is allocated 130 TU.
  • Labor Operation 0150 9999: An additional flat-rate is provided for each documented attempt if a flash process is aborted. This operation is allocated 50 TU per attempt.

The claim comment for this TSB is "As per TSB 2079981/2."

Important Notes for Owners

  • Out-of-Warranty Vehicles: If your vehicle is outside of its warranty coverage, this Technical Service Bulletin is informational only. This means that the repair costs for the "2025 Audi infotainment restricted functions" may not be covered by Audi, and you might be responsible for the charges.
  • Service Efficiency: When carrying out this TSB, time stamps are not required for billing under warranty. This allows technicians to work on other vehicles concurrently, optimizing service bay efficiency. Furthermore, the software update can even be performed by non-productive personnel, which may help expedite service times.

NHTSA ID: 11029404 Source: manufacturer_communication

Frequently Asked Questions

What is Audi Technical Service Bulletin 2079981/2 about?
TSB 2079981/2 addresses various infotainment and connectivity issues, including "Connection offline" messages and general restricted functions, in certain 2025 Audi A5, S5, Q5, and e-tron models. It provides a software update solution for these problems.
What are the common symptoms of the 2025 Audi infotainment restricted functions issue?
Owners may experience various "MMI complaints" or "Connectivity complaints," with a frequent symptom being a "Connection offline" message. These indicate that the infotainment system or connected services are not functioning correctly.
How is the 2025 Audi infotainment restricted functions problem resolved?
The issue is resolved by updating the vehicle's software to version "00 Combined software update 03.10.00/C (28.13.01) KD2." This update is performed by a dealership technician following the procedures outlined in TSB 2079690.
Is the software update for the infotainment issues covered under warranty?
Yes, the software update is generally covered under warranty, provided the vehicle is within its warranty period. However, all claims are subject to review by Audi Warranty, and if the vehicle is outside of warranty, the TSB serves as informational guidance only.

What Audi A5 owners report

Counted from the records in our database across 19 model years.

377
Owner complaints
22
Recalls
4,447
Service bulletins
9
Crashes reported
3
Fires reported
6
Injuries reported

The 2025 model year

9 complaints, the 10th most of 19 model years on file. Owners reported 0 crashes, 0 fires and 0 injuries for this year, which also has 2 recalls on file.

Electrical System, the system this article covers, accounts for 82 of 377 complaints (22%), including 3 for 2025.

Complaints by model year

Model years with the most complaints for the Audi A5
200911
201050
201139
201236
201338
201429
201838
201912
202060
20259

Most-reported systems

  1. Air Bags — 91
  2. Electrical System — 82
  3. Engine — 68
  4. Steering — 27
  5. Back Over Prevention — 18

Latest recalls for the 2025 model year

  • 25V899000 — Seat Belts (Dec 2025)
  • 25V638000 — Seat Belts (Sep 2025)
All 2025 recalls →

Recent owner reports about electrical system

13 Jun 25 2100 hrs - Auto went thru multiple of errors and transmission would not go into gear, electric door locks released all emergency pull handles and car was not able to move. Called Audi Emergency Service.

2025 Audi A5 owner, Dec 2025
Read owner complaints →

Complaints are owner reports filed with NHTSA. They are unverified, and counts depend on how many vehicles were sold, so they are not a failure rate.

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