2023-2025 Audi Brake Pulsation, MMI Load, Window Faults

Audi has issued a technical service bulletin (TSB 11022657) to address several common concerns reported in various 2023-2025 models. This bulletin provides guidance for diagnosing issues such as brake pulsation, delayed MIB3 MMI system startup, and power windows that do not operate as expected.

Symptoms

Owners may observe a range of symptoms depending on their vehicle model and year:

• Brake Pulsation: Owners of 2023-2024 Audi Q8 e-tron models may notice a pulsation when braking, commonly referred to as Audi e-tron brake pulsation.
• MIB3 Takes a Long Time to Load at Startup: For 2024-2025 Audi A4, A5, Q5, A6, A7, Q7, and Q8 vehicles, the MIB3 MMI system might take an extended period to load after starting the vehicle. During this delay, the "User" tile may be missing from the MMI home page, and the system might initially load as a guest user. However, the MMI system typically works normally once fully loaded.
• Front or Rear Window Not Closing Correctly/Reverses Direction: 2022-2025 Audi Q8 owners might experience power windows that do not fully close. The affected window may reverse its direction unexpectedly, or in some cases, open autonomously.

Diagnosis / Trigger Conditions

Each issue has specific diagnostic considerations:

• Brake Pulsation: Diagnosis requires taking pictures of the brake disc and brake pads. Technicians must also perform run-out measurements, following the procedures outlined in TSB 2022584. These measurements are crucial for the Technical Assistance Center (TAC) case.
• MIB3 Takes a Long Time to Load at Startup: This condition occurs during the initial bootup sequence of the MMI system. While the system eventually loads and functions, the delay and initial guest user profile are key indicators.
• Front or Rear Window Not Closing Correctly/Reverses Direction: The primary trigger conditions are the window failing to close completely, reversing its movement, or opening without user input.

Repair Procedure Summary

Audi advises specific steps for addressing these concerns, emphasizing consultation with the Audi Helpline:

• For Audi e-tron brake pulsation, technicians are instructed to take pictures of the brake discs and pads, perform run-out measurements (referencing TSB 2022584), and include these measurements in the Technical Assistance Center (TAC) case for further guidance.
• For the MIB3 system taking a long time to load, on-site analysis is required. Technicians must contact the TAC for further instructions on how to proceed.
• For front or rear window malfunctions, technicians are also directed to contact the TAC for further direction and specific repair instructions.

Owner Action

If you are experiencing any of these symptoms with your Audi, it is recommended to contact your authorized Audi dealership or the Audi Helpline. They will be able to diagnose the specific issue and perform the necessary repairs or provide further instructions based on the latest technical guidance from Audi.