Summary
This Technical Service Bulletin provides information on troubleshooting and repairing issues with front or rear door locks not locking, w/o function, and/or fault messages in DIS, DTC(s) B12ZD29 B14FF29 or B122B13.
The bulletin applies to various Audi models including A6, A7, A8, e-tron quattro, and others, with model years ranging from 2019 to 2023.
The issue may be caused by electrical or mechanical errors, and the bulletin provides a diagnostic tree to help identify the root cause of the problem.
A series of steps and checks are outlined to troubleshoot the issue, including checking for operating errors, electrical errors, and mechanical errors related to the door lock and door handle.
The bulletin also provides information on emergency unlock mode and Bowden cables.
Manual:
Download: 2022 Audi Technical Service Bulletin
Chat: Powered By VoiceSphere
