2021 Audi Rear Lid Not Closing DTC B113E29 B12E015

Owners of various 2021 Audi models, including the Audi e-tron, may encounter issues with the power rear lid failing to close completely or its lock not engaging the secondary latch position. This problem can also manifest as a warning message in the instrument cluster indicating that the rear lid is open. This Technical Service Bulletin (TSB 2064476/2) outlines the potential causes and the necessary repair.

Symptoms

If your 2021 Audi e-tron rear lid not closing, you might observe the following:

• The power rear lid does not close completely.
• The rear lid lock does not engage in the secondary latching position.
• The instrument cluster indicates that the rear lid is open.

Fault Codes / DTCs

One or more of these Diagnostic Trouble Codes (DTCs) may be stored in the rear lid control module J605 (address word 006D) if your Audi e-tron rear lid not closing:

| Code | Description | Module | | :--- | :---------- | | B113E29 | Closing assistance Range/Performance | Rear lid control module J605 | | B12E015 | Rear lid closing assist motor Open circuit/short circuit to B+ | Rear lid control module J605 | | B113E07 | Pull-shut asst. mechanical malfunction | Rear lid control module J605 |

Diagnosis / Trigger Conditions

Audi has identified several failure modes within the rear lid closing assist motor that can lead to these symptoms and DTCs:

1. Blocked Internal Clutch: A dimensional deviation can cause the internal clutch of the closing assist motor to become blocked. This condition typically triggers DTC B113E07.
2. Improper Solder Joint: An improper solder joint inside the closing assist motor can lead to a short circuit. This failure mode is associated with DTC B12E015.
3. Detached Bowden Cable Clip: The Bowden cable clip may detach from the closing assist motor housing. This mechanical issue can also result in DTC B113E07 being stored.

Optimized components have been integrated into production for Model Year 2022 and onwards to address these issues.

Repair Procedure Summary

To resolve the issue of the Audi e-tron rear lid not closing, technicians are instructed to replace the rear lid closing assist motor. This procedure should be performed according to the detailed steps outlined in the Elsa Repair Manual.

Required Tools or Parts

Specific parts and tools are required for this repair:

Part Number	Part Description	Quantity
3V5827887C	Motor, liftgate	01
5TA827887C	Motor, liftgate (Q3)	01
See ETKA	Fasteners, Bolts, Nuts, and Screws as needed per the Repair Manual	See ETKA/ELSA

Tool Number	Tool Description
VAS 6160/VAS 6150	VAS tester with the current version of ODIS (Windows 10)

Warranty Information

This repair is covered under warranty for eligible vehicles. The claim type is 110 for vehicles up to 48 months or 50,000 miles. For Audi Certified Pre-Owned (CPO) vehicles, the claim type is G10, requiring owner verification. The service number for this repair is 5584, and the damage code is 0010. Labor operations include "Closing assist motor remove & reinstall" (code 5541 19XX).

Important Owner Information

If your vehicle is outside of its warranty period, this Technical Service Bulletin serves as informational guidance only. Owners should be aware that warranty claims are subject to review and audit by Audi Warranty policies and procedures.

NHTSA ID: 10201747