2025-2026 Audi Rear Lid Opens/Closes Slightly TSB 2080988/2

Symptoms

Owners of affected 2025-2026 Audi models may experience their vehicle's rear lid exhibiting unusual behavior. The primary concern is that the Audi rear lid opens slightly or closes only partially before stopping. This intermittent issue can occur without logging any diagnostic trouble codes (DTCs) or event memory entries, making it difficult to diagnose without specific guidance.

Specifically, the symptoms include:

• The rear lid only opens slightly and then stops.
• The rear lid only closes slightly and then stops.
• The issue is intermittent and does not generate any event memory entries.

Technical Background

Audi has identified that under certain factory calibration conditions, the current draw for the rear lid drive motors may be set too low. This improper calibration can lead to the occasional irregular behavior of the rear lid, such as when the Audi rear lid opens slightly, without triggering any fault codes in the vehicle's diagnostic system.

Important Warnings

Audi Technical Service Bulletin 2080988/2 includes critical warnings for technicians performing this repair, which owners should also be aware of:

• NOTICE: "It is imperative to reset initialization of the rear lid and then adapt it again. If this is not performed, the parameters logged in the control unit no longer match the preload of the rear lid and a repeat repair may be required."
• NOTICE: "It is essential not to hinder or stop the movement of the rear lid under any circumstances. This would interrupt the initialization process."
• CAUTION: "Anti-trapping protection is NOT active for the entire duration of the initialization process. Make sure that there is no risk of trapping for you or other persons at any time."

Repair Procedure Summary

This bulletin, TSB 2080988/2, supersedes previous bulletin TSB 2077064 and outlines a three-step process to correct the rear lid malfunction. The procedure involves checking for software updates, verifying mechanical settings, and initializing the rear lid system.

1. Software Update Check: Technicians must first determine if a software update is available for the vehicle. This involves checking for the software update described in TSB 2079690,00. Vehicles with diagnostic address 0046 and software version 0231 or higher already have the optimized software.
2. Mechanical Setting Check: The precise alignment of the rear lid and the permissible buffer forces (40-60 N) at the rear lid buffers must be checked and adjusted. This requires specialized tools to measure and reset the buffer forces within the specified range.
3. Rear Lid Initialization: The rear lid system must be reset and adapted. This is performed using Guided Functions, specifically the function "0046 - Rear lid electronics - basic setting." It is crucial not to interrupt the movement of the rear lid during this initialization process, as anti-trapping protection is temporarily inactive.

Required Tools or Parts

To perform the mechanical checks and adjustments, specific tools are required:

• VAS 895 037: Measurement film
• VAS 895 035: Spring pressure gauge

Warranty Information

For vehicles still under warranty, claims for this repair should be submitted in accordance with the Audi Warranty Policies and Procedures Manual. The Service Number for this issue is 5568, and the Damage Code is KD02. Labor operations include software updates, rear lid adjustments, and self-diagnosis, with specific time units allocated for each task.

If the vehicle is outside of warranty, this Technical Service Bulletin serves as informational guidance.

NHTSA ID: 11031033