2021-2023 Audi Active Lane Assist Malfunction TSB

Owners of certain 2021-2023 Audi models may encounter a warning message on their instrument cluster related to driver assistance systems. This issue, specifically an Audi A5 active lane assist malfunction, is addressed by Audi Technical Service Bulletin (TSB) 2061932/6. This bulletin, issued on October 16, 2023, supersedes an earlier bulletin, Group 96 number 22-79, dated September 28, 2022.

Revision History

Technical Service Bulletin 2061932/6 has undergone several revisions to refine its guidance:

• Revision 6 (October 16, 2023): Updated the header to include new models and PR code filters, revised the condition to add frequency requirements, updated the service section with a new diagnosis procedure, and revised warranty information to reflect the new diagnosis.
• Revision 5 (September 28, 2023): Updated the header with an updated PR Code filter.
• Revision 4 (September 14, 2022): Revised the service section to include a warning about following appropriate repair manual procedures when removing the airbag.

Symptoms

Drivers may notice one of the following malfunction indications displayed prominently in the vehicle's instrument cluster:

• "Audi Active Lane Assist: malfunction!"
• "Traffic Jam Assist: malfunction!"

These messages indicate a problem with the active lane assist or traffic jam assist systems. These systems rely on the vehicle's capacitive steering wheel to detect the driver's hands, ensuring attention while using driver assist features. The presence of an Audi A5 active lane assist malfunction message warrants further investigation.

Fault Codes / DTCs

When these symptoms occur, technicians performing diagnostics may find one or more of the following Diagnostic Trouble Codes (DTCs) stored in the vehicle's control modules:

• DTC U112300 (Databus error value received) with symptom code 1123220 (active/static) stored in the Front camera, R242 (address word 00A5).
• DTC U112300 (Databus error value received) with symptom code 1123220 (passive/sporadic) with a frequency counter of 10 or more, also stored in the Front camera, R242 (address word 00A5).
• DTC U112300 (Databus error value received) with symptom code 2153 (active/static) stored in the Distance regulation control module, J428 (address word 0013).
• DTC U112300 (Databus error value received) with symptom code 2153 (passive/sporadic) with a frequency counter of 10 or more, also stored in the Distance regulation control module, J428 (address word 0013).

Diagnosis Procedure

To diagnose the root cause of the "Audi Active Lane Assist: malfunction!" message and associated DTC U112300, technicians should perform the following steps:

1. Access the Data Bus On Board Diagnostic Interface (Gateway) - J533, which has address word 0019.
2. Read the measured value data for IDE12609 - Steering wheel touch recognition, status.
3. If a fault is indicated for this measured value, it confirms an issue with the capacitive steering wheel.

Repair Procedure Summary

If the diagnostic procedure confirms a fault with the capacitive steering wheel, the repair involves replacing the steering wheel. This must be done according to the specific instructions provided in the appropriate Audi repair manual. The process includes removing and reinstalling the steering wheel.

Required Parts

The following parts may be required for the repair, depending on the specific vehicle and condition:

• Fasteners, Bolts, Nuts, and Screws: As needed per the repair manual. Technicians should consult ETKA/ELSA for specific part numbers.
• Steering Wheel: One (1) new capacitive steering wheel, if required. Technicians should consult ETKA for the correct part number.

Warranty Information

This repair, identified by TSB 2061932/6, may be covered under warranty.

• Claim Type: 110 (up to 48 Months/50,000 Miles) or G10 (for CPO Covered Vehicles – verification of owner required).
• Service Number: 4810.
• Damage Code: 0040.
• Labor Operations: The primary labor operation is "Steering wheel remove + reinstall" (code 4810 1900). Technicians should refer to the Service Repair Time (SRT) for any associated operations.
• Diagnostic Time: GFF (code 0150 0000), with a maximum of 50 Technical Units (TU).
• Road Test: No allowance (0 TU) for road tests before or after the service procedure.
• Claim Comment: Claims should be submitted as per TSB 2061932/6 and must comply with the Audi Warranty Policies and Procedures Manual. All claims are subject to review or audit by Audi Warranty.

Important Warning

If the vehicle is outside of any applicable warranty coverage, this Technical Service Bulletin is for informational purposes only. Owners whose vehicles are no longer under warranty should be aware that repair costs may apply.

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Source: NHTSA ID: 10248238