2021-2025 Audi Driver Assist Fault TSB 2061932/11

Owners of certain 2021-2025 Audi models may encounter dashboard warnings such as "Traffic Jam Assist: unavailable" or "Active Lane Assist: fault." These messages indicate a malfunction within the vehicle's driver assistance systems, rendering both functions unavailable. Audi has issued Technical Service Bulletin (TSB) 2061932/11 to address this specific Audi driver assist fault U112300, providing guidance for diagnosis and repair. This bulletin outlines the symptoms, associated diagnostic trouble codes (DTCs), and the recommended fix for this issue.

Symptoms

Customers typically report seeing specific messages displayed in the instrument cluster. These include:

• "Traffic Jam Assist: unavailable"
• "Active Lane Assist: fault"

When these warnings appear, both the Traffic Jam Assist and Active Lane Assist functions will be unavailable and cannot be activated. The issue is often persistent, meaning it can be reproduced consistently.

Fault Codes / DTCs

When diagnosing this Audi driver assist fault U112300, technicians may find the following Diagnostic Trouble Code (DTC) logged in the vehicle's systems:

• DTC U112300: Data bus, error value received
  • Associated Modules:
    • Adaptive cruise control, J428 (diagnostic address 0013) – symptom 2153
    • Front camera for driver assist systems, R242 (diagnostic address 00A5) – symptom 1123220
  • Condition: Active/static or passive/sporadic, with a frequency counter of 3 or higher.

This DTC indicates a communication error on the data bus, specifically related to the adaptive cruise control module and the front camera system, which are crucial for the proper functioning of the affected driver assist features.

Diagnosis and Trigger Conditions

The primary trigger for this issue is a fault that is either active/static or passive/sporadic but has occurred at least three times (frequency counter ≥ 3). Technicians are advised to reproduce the customer's complaint to confirm the issue aligns with the conditions described in TSB 2061932/11. This ensures that the specific criteria (model/type, chassis number, engine/motor, gearbox code, PR number, part number, software version, and code) are met before proceeding with the repair.

Repair Procedure Summary

According to Audi TSB 2061932/11, the recommended repair for this Audi driver assist fault U112300 involves replacing the capacitive steering wheel. This procedure should be performed following the detailed instructions provided in the official Audi Workshop Manual. The TSB does not specify any software updates or additional component replacements beyond the steering wheel itself.

Important Warnings for Owners

Audi emphasizes that this repair should only be performed if the vehicle precisely matches all criteria specified in the TSB, including model, year, VIN range, and specific equipment. If the issue is not clearly attributable to the conditions outlined in this bulletin, replacing the steering wheel may not resolve the problem, potentially leading to repeat repairs and warranty claim rejections. Owners should ensure their service facility carefully verifies all diagnostic information before proceeding with any repair.

Warranty Information

For vehicles still under warranty, the repair described in TSB 2061932/11 is covered. If the vehicle is outside of its warranty period, this Technical Service Bulletin serves as informational guidance only, and repair costs would typically be the owner's responsibility.

• Service Number: 4810
• Damage Code: 0040
• Labor Operations:
  • Remove and install steering wheel (Labor Operation Code: 4810 19xx)
  • Deactivate and activate high-voltage system (for PR number 0K4) (Labor Operation Code: 9310 8350)
  • GFF/Guided Functions (Labor Operation Code: 0150 0060)
• Claim Comment: As per TSB 2061932/11

All warranty claims are subject to review and audit by Audi Warranty policies and procedures.

NHTSA Source: NHTSA ID: 11030993