2021-2025 Audi Suspension Control Unit J775 Parameter Settings TSB

Symptoms

Owners or technicians may encounter an issue where the suspension control module, J775, cannot be automatically parametrized. This occurs when performing a "Check control unit configuration" procedure, and the Software Version Management (SVM) system registers an unknown event. The primary condition for this issue is that the J775 control unit has software version 1215 or an older version.

Repair Procedure Summary

To resolve the Audi J775 parameter settings issue, a software update for the suspension control module (J775, address word 0074) is required. This procedure is outlined in Technical Service Bulletin 2059665/6 and involves following the general instructions provided in TSB 2011732, which covers Software Version Management (SVM) operating procedures.

Technicians must update the J775 module using the SVM action code 74A005. The target software version for the J775 should be 1215 or higher, with a corresponding New ZDC Version of 8W0909576VC. The labor operations associated with this repair include charging the battery, performing the software update, and conducting road tests before and after the service procedure.

Important Warnings

This Technical Service Bulletin is primarily informational if your vehicle is outside of its warranty period. Warranty claims for this service, identified by Service Number 4316 and Damage Code 0039, must adhere to the Audi Warranty Policies and Procedures Manual.

Owner Action

If you experience issues with your Audi's suspension control unit J775, particularly if it cannot be automatically parametrized or if you suspect it has an older software version, it is recommended to contact an authorized Audi dealership. They can diagnose the issue and perform the necessary software update as described in TSB 2059665/6.

Required Tools or Parts

The repair primarily involves a software update. No specific physical parts are listed as required for this bulletin, but the update process requires specialized diagnostic equipment available at authorized Audi service centers.

NHTSA ID: 11009339