2021-2023 Audi Suspension Warning Light TSB 43 23 68 2059665/4

Symptoms

Owners of affected 2021-2023 Audi vehicles may notice that the "Warning light for the suspension comes on in the instrument cluster." This indicates a potential issue with the vehicle's suspension control system.

Diagnosis and Trigger Conditions

During workshop diagnostics, if a technician performs a "Check control unit configuration," the Software Version Management (SVM) system may register an unknown event. This event prevents the suspension control module, identified as J775 (address word 0074), from being automatically parameterized. This condition is the underlying cause for the Audi Q8 suspension warning light.

Repair Procedure Summary

To address the Audi Q8 suspension warning light, Audi Technical Service Bulletin 43 23 68 2059665/4 outlines a precise software update procedure for the suspension control module, J775. The process begins by instructing technicians to meticulously follow all guidelines detailed in TSB 2011732, which provides comprehensive operating instructions for Software Version Management (SVM). The core of the repair involves updating the suspension control module, J775 (identified by address word 0074), using the specified SVM action code 74A005. This update ensures the module receives the necessary software version, 1215 or higher, and the correct ZDC Version, 8W0909576VC. Once the software update is successfully completed, a critical final step is to perform a new "basic settings complete" process for the J775 module to ensure proper parametrization and functionality of the suspension system.

Required Software or Codes

The following specific software and identification codes are necessary for the repair:

• New Software Version (or higher): 1215
• New ZDC Version: 8W0909576VC
• SVM Code Input: 74A005

Warranty Information

This repair, identified by Service Number 4316 and Damage Code 0039, is typically covered under Audi's warranty program for vehicles up to 48 months or 50,000 miles, whichever comes first. For Audi Certified Pre-Owned (CPO) vehicles, the claim type is G10, which requires verification of the owner. Labor operations for this procedure include a "Software Update (Includes checking for DTCs)" (operation code 0151 0000), which is compensated based on the time stated in the diagnostic protocol, up to a maximum of 40 Time Units (TU). Diagnostic time (GFF) and a road test prior to service are not billable (0 TU). A road test after the service procedure (operation code 0121 0004) is allotted 10 TU. It is important to note that if your vehicle falls outside of these warranty parameters, this Technical Service Bulletin 43 23 68 2059665/4 serves as informational guidance only, and any diagnosis or repair costs may not be covered by Audi.

Important Warnings

Owners should be aware that if their vehicle is no longer under warranty, this Technical Service Bulletin is for informational purposes only. The cost of diagnosis and repair may not be covered by Audi. Additionally, all part and service references provided in this TSB (2059665) are subject to change and/or removal, so it's always advisable to check with your Audi Parts Department and/or ETKA for the latest information.

What Owners Should Do

If you are experiencing the Audi Q8 suspension warning light or any related symptoms, it is recommended to contact your authorized Audi dealership. Inform them about the "Warning light for the suspension control module" and mention Technical Service Bulletin 43 23 68 2059665/4. The dealership technicians will be able to perform the necessary diagnostic checks and apply the required software update to the suspension control module, J775. Ensure to inquire about warranty coverage for the repair based on your vehicle's mileage and age.

Revision History

This Technical Service Bulletin 43 23 68 2059665/4, issued on January 20, 2023, is the fourth revision of this document. It supersedes Technical Service Bulletin Group 43 number 22-58, which was dated June 9, 2022. The revisions have incorporated several updates to ensure accuracy and completeness:

• Revision 4: Updated Step 3 of the service procedure.
• Revision 3 (June 9, 2022): Revised the header to include additional models and model years, and updated the SVM table.
• Revision 2 (June 4, 2021): Revised the header to add a model year and updated the warranty section to include additional claim types.

NHTSA ID: 10230972