2021-2022 Audi Yellow Steering Malfunction TSB

Audi has released Technical Service Bulletin (TSB) 48 21 02 2061904/3 to address a specific issue affecting various 2021-2022 Audi models. This TSB, which supersedes an earlier bulletin (Group 48 number 21-00 dated May 4, 2021), details the diagnosis and repair for a condition where a yellow steering malfunction C110DF0 light appears in the instrument cluster.

The TSB, identified as 48 21 02 2061904/3, focuses on a hardware-related problem within the active steering system. Owners experiencing the Audi yellow steering malfunction C110DF0 should consult their authorized Audi service center for diagnosis and repair.

Symptoms

Owners of affected Audi vehicles will typically notice the following symptom:

• "The yellow steering lamp is on in the instrument cluster."

Fault Codes / DTCs

When diagnosing this issue, technicians will find a specific Diagnostic Trouble Code (DTC) stored in the active steering control module, J792 (address word 001B).

Code	Description	Symptom Code
C110DF0	Active steering safety lock locking failed	13568

Diagnosis / Trigger Conditions

The root cause for the Audi yellow steering malfunction C110DF0 is identified as a hardware function restriction within the active steering system. This restriction leads to the active steering safety lock failing to engage or disengage correctly, triggering the DTC C110DF0 and illuminating the yellow steering lamp.

Repair Procedure Summary

The repair for this condition involves installing a new repair kit for the steering column lock magnet. The procedure requires following the detailed instructions provided in the Elsa repair manual. Technicians will need to access the steering column to remove and install the active steering safety lock component. This ensures the proper function of the steering safety lock and resolves the hardware restriction.

Required Parts

To perform this repair, specific parts are required. Technicians should always verify the latest information and part numbers with their Parts Department and/or ETKA system.

• Part Number: 8W0927289
  • Part Description: Repair kit for lock magnet
  • Quantity: 01
• Fasteners, Bolts, Nuts, and Screws: As needed per the Repair Manual (See ETKA/ELSA)

Warranty Information

This repair is covered under Audi's warranty program, with specific conditions:

• Claim Type: 110 (up to 48 Months/50,000 Miles) or G10 for CPO (Certified Pre-Owned) Covered Vehicles, requiring owner verification.
• Service Number: 4869
• Damage Code: 0016
• Labor Operations:
  • Steering lock removal + reinstall (Labor Operation 4819 1905)
  • Vehicle front + rear check (Labor Operation 4495 0150)
• Diagnostic Time: GFF (0150 0000)

Important Warning: If your vehicle is outside of any applicable warranty coverage, this Technical Service Bulletin is for informational purposes only, meaning the repair costs may not be covered.

Owner Action

If you are experiencing the Audi yellow steering malfunction C110DF0 or see the yellow steering lamp illuminated in your instrument cluster, it is recommended to contact an authorized Audi dealership. They can perform a diagnostic check to confirm the presence of DTC C110DF0 and carry out the necessary repair using the specified repair kit for the steering column lock magnet.

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Source: NHTSA ID: 10197897