2021-2023 Audi Frameless Window Inoperative in Freezing Weather

Audi has released Technical Service Bulletin (TSB) 64 22 83 2062618/2, updated on April 16, 2022, to address a common issue affecting various models in freezing conditions. This bulletin, which supersedes TSB Group 64 number 21-77 dated March 12, 2021, details how to resolve instances where the Audi frameless window inoperative condition occurs due to ice and snow.

This informational TSB specifically targets vehicles equipped with frameless windows that experience difficulty operating in cold weather. The problem arises when snow and ice accumulate around the window seals, preventing the window's crucial auto-drop function from working correctly.

Symptoms

Owners of affected 2021-2023 Audi vehicles may notice the following symptoms related to the Audi frameless window inoperative issue:

• "Front and/or rear doors cannot be opened or closed in freezing weather."
• The windows are frozen to the outer window slot seals, preventing them from dropping when attempting to open or close the doors.
• The window auto-drop function is inoperative due to snow and ice build-up.

These conditions occur because the window's automatic lowering and raising mechanism, which is essential for door operation, becomes blocked by ice buildup between the window glass and the outer window slot seals. This blockage can happen even if the seals are of the latest generation.

Diagnosis / Trigger Conditions

The root cause of the Audi frameless window inoperative problem is the adhesion of snow and ice to the window and its slot seal. This creates a physical barrier that prevents the window from dropping slightly when the door handle is pulled, which is necessary for frameless doors to open and close without obstruction. The TSB includes figures illustrating how snow and ice can accumulate on the window and seal surfaces, as well as the specific area where this adhesion disables window operation.

Important Warnings

Audi explicitly states a critical piece of information for owners and technicians regarding this issue:

• "Tip: Parts replacement does not solve this issue. Claims for replaced parts will be subject to review."

This means that attempting to replace window components or seals will not resolve the problem and will likely result in a denied warranty claim. The issue is environmental (snow/ice), not a defective part.

Repair Procedure Summary

The solution for the Audi frameless window inoperative condition is straightforward and can often be performed by the owner. The TSB outlines the following steps:

1. Remove Snow and Ice with a Scraper: Using a plastic scraper, carefully remove any snow and ice from the windows. Refer to your vehicle's Owner's Manual, specifically the chapter on "Care and cleaning," for detailed instructions on this process.
2. Apply De-icer (If Needed): If ice remains, spray an Audi approved solvent-free de-icer onto the windows. Focus on the contact area between the outer window slot seal and the window glass. This will help melt any stubborn snow or ice, eliminating the blockage.
3. Verify Functionality: After clearing the snow and ice, check the operation of all doors and windows. Ensure the window auto-drop function works properly when opening and closing the doors.

Owner Action

If you experience your Audi frameless window inoperative in freezing weather, you can attempt the recommended steps yourself using a plastic scraper and an Audi approved solvent-free de-icer. If the issue persists after following these steps, or if you are uncomfortable performing the procedure, contact your authorized Audi service center for assistance. As this TSB is informational and not covered by Audi Warranty, any service performed by a dealership may incur charges.

Warranty Information

This Technical Service Bulletin 64 22 83 2062618/2 is classified as informational only. It provides guidance on how to address a condition caused by environmental factors (snow and ice) rather than a manufacturing defect. Therefore, this TSB is not applicable to any Audi Warranty, meaning any costs associated with diagnosis or repair at a dealership would typically be the owner's responsibility.

Source: NHTSA ID: 10210448