2021 Audi A6 Yellow Steering Malfunction Light TSB

Symptoms of a Yellow Steering Malfunction

Owners of affected 2021 Audi models may notice a "yellow steering lamp is on in the instrument cluster." This warning indicates an issue with the vehicle's active steering system. The presence of this light is a direct symptom that prompts further investigation by a qualified technician.

Fault Codes and Technical Background

When the "yellow steering lamp is on in the instrument cluster," technicians will typically find Diagnostic Trouble Code (DTC) C110DF0 stored in the active steering control module, identified as J792 (address word 001B). This specific fault code is described as "Active steering safety lock locking failed" and is associated with symptom code 13568.

Audi has identified a hardware function restriction within the active steering system as the underlying cause for this issue. This restriction prevents the steering safety lock from operating correctly, triggering the warning light and the DTC C110DF0.

Repair Procedure Summary

To resolve the "Audi A6 yellow steering malfunction" and clear DTC C110DF0, Audi Technical Service Bulletin 2061904/2 details a specific repair. The procedure involves installing a repair kit for the steering column lock magnet. Technicians are instructed to follow the steps outlined in the Elsa repair manual under the path: Chassis >> Suspension, Wheels, Steering >> 48 Steering >> Steering Column >> Active Steering Safety Lock, Removing and Installing. This process ensures the correct replacement and calibration of the affected component.

Required Parts

The primary part required for this repair is a "repair kit for lock magnet," identified by part number 8W0927289. Additionally, any necessary fasteners, bolts, nuts, and screws should be sourced according to the ETKA parts catalog or the repair manual instructions.

Warranty Information

This repair is covered under Audi's warranty policies. For new vehicles, the repair is typically covered up to 48 months or 50,000 miles. Certified Pre-Owned (CPO) vehicles may also be covered under claim type G10, though owner verification is required. It is important to note that if the vehicle is outside of any applicable warranty, this Technical Service Bulletin 2061904/2 serves as informational guidance only, and repair costs would be the owner's responsibility. The service number for this repair is 4869, with a damage code of 0016.

Important Warnings for Owners

Owners should be aware that while this Technical Service Bulletin 2061904/2 provides a solution for the "Audi A6 yellow steering malfunction," if your vehicle is no longer under warranty, the repair will not be covered by Audi. In such cases, the TSB acts as a guide for diagnosis and repair, but all associated costs will be borne by the vehicle owner. Always consult with an authorized Audi service center to confirm warranty eligibility and estimated repair expenses.

Revision History

This Technical Service Bulletin, 48 21 00 2061904/2, was initially published on January 12, 2021, as Revision 1. It was subsequently revised on May 4, 2021, as Revision 2, primarily to update the warranty information by adding a labor operation. This bulletin supersedes the previous Technical Service Bulletin Group 48 number 21-92, dated January 12, 2021.