2021 Audi Q7 Power Tailgate Not Opening High Enough TSB

Symptoms of a Low-Opening Power Tailgate

Owners of certain 2021 Audi Q7 vehicles may notice that the power tailgate is not opening high enough or far enough. This can lead to inconvenience, especially when loading or unloading the cargo area. Another related symptom is the inability to store a higher opening position or stop position for the luggage compartment lid.

Workshop findings confirm that this customer concern, where the Audi Q7 power tailgate not opening high, can be consistently reproduced by technicians.

Technical Background of the Issue

The root cause of the power tailgate not opening to its full height is an incorrect identifier within the Target Data Container (ZDC). This error results in the tailgate opening offset being too large. The offset is a reduction in the maximum opening height, designed to prevent the tailgate from interfering with the mechanical stop. This issue is particularly noticeable in colder weather conditions.

Due to this excessive offset, customers might find they can manually open the tailgate an additional 4 to 6 inches beyond its powered stop point, indicating that the powered opening is not reaching its full potential.

Repair Procedure Summary

To resolve the issue of the Audi Q7 power tailgate not opening high, Audi has issued Technical Service Bulletin (TSB) 2063385/1. The repair involves updating the software for the rear lid control module, identified as J605 (address word 006D). This update introduces a new Target Data Container (ZDC) that corrects the incorrect identifier.

Technicians will follow specific instructions outlined in TSB 2011732, which covers Software Version Management (SVM) operating procedures. The update process includes using the SVM action code 6DA004 to update the J605 control module. After the software update, a basic setting of the power tailgate must be performed. Finally, the technician will confirm that a higher end-stop for the tailgate can now be stored.

Required Tools

To perform the software update and resolve the power tailgate issue, technicians will need a VAS tester equipped with the current version of ODIS (Windows 10). The specific tool numbers for this equipment are VAS 6160 and VAS 6150.

Important Warnings

Even after the SVM Update is performed, the tailgate can still be manually opened by an additional 2.5 inches before it reaches the mechanical stop. This is a deliberate design feature for safety reasons, representing the minimum permissible tailgate opening offset.

Warranty Information

This Technical Service Bulletin 2063385/1 outlines the warranty claim types applicable for this repair. The primary claim type is 110, covering vehicles up to 48 months or 50,000 miles. For Audi Certified Pre-Owned (CPO) vehicles, claim type G10 applies, requiring verification of ownership.

If the vehicle is outside of any applicable warranty, this Technical Service Bulletin serves as informational guidance only. The service number for this procedure is 5568, with a damage code of 0039. The labor operation for the software update, including checking for Diagnostic Trouble Codes (DTCs), is 0151 0000, with a maximum time allowance of 50 TUs. Diagnostic time, including road tests before and after the procedure, is GFF with no allowance.

Source: NHTSA ID 10193928