2021-2026 Audi Steering Hands-Off Detection Prompt TSB

Symptoms

Owners of 2021-2026 Audi vehicles may encounter an instrument cluster message stating "prompt to take over steering, hands off detection" even when their hands are on the steering wheel. This issue, known as 'Audi steering hands-off detection', indicates that the vehicle's system is not correctly recognizing the driver's hand presence. Despite the driver maintaining contact with the steering wheel, the vehicle prompts them to take over, which can be a confusing and potentially distracting experience.

Diagnosis / Trigger Conditions

When this symptom occurs, workshop findings indicate that diagnostic trouble codes (DTCs) related to steering wheel touch recognition or hands-off detection are typically not present. The complaint can often be reproduced during a test drive, confirming the active presence of the issue. The TSB explains the underlying technology behind the Audi steering hands-off detection system.

Audi vehicles utilize different methods for hands-off detection depending on their equipment level, specifically identified by PR numbers 612 and 616. Vehicles equipped with these PR numbers feature a hands-off detection mat within the steering wheel. This mat uses one to three sensor zones to detect hand placement:

• One zone: Generally detects hands on the wheel but does not specify location or number of hands.
• Two zones: Can detect hands on both the left and right sides of the wheel.
• Three zones: Can detect hands on the left, right, and confirm if the driver is actively holding the steering wheel.

For vehicles without the hands-off detection mat (i.e., those not having PR numbers 612 or 616), hand presence is detected using a steering torque sensor instead. This distinction is crucial for proper diagnosis and repair.

Important Warnings for Owners

Audi has issued a critical warning regarding potential repairs for this issue. For vehicles not equipped with PR numbers 612 or 616, replacing the steering wheel will not resolve the problem because these vehicles do not have the hands-off detection mat sensors. If a steering wheel is replaced unnecessarily in such a vehicle, the owner may be charged for the replacement part and labor, as it will not fix the underlying issue. It is essential to confirm the vehicle's PR numbers before any steering wheel replacement is considered.

Repair Procedure Summary

Since DTCs are typically not present for this specific complaint, the service procedure involves adapting the ODIS diagnosis system. Technicians should use ODIS (Offboard Diagnostic Information System) to accurately diagnose the fault, considering the vehicle's specific hands-off detection system (mat vs. torque sensor) and PR numbers. This ensures that the diagnostic process is tailored to the vehicle's configuration, leading to an effective resolution for the 'Audi steering hands-off detection' prompt.

NHTSA ID: 11009362