2021-2025 Audi Active Lane Assist Malfunction TSB

Audi has released Technical Service Bulletin (TSB) 2061932/10, dated January 13, 2025, to address an Audi Active Lane Assist malfunction U112300 affecting various 2021-2025 Audi models. This bulletin supersedes the previous TSB 96 24-03, dated September 30, 2024, with updates including the addition of Model Year 2025 vehicles and revised DTC frequency information.

This TSB provides guidance for technicians when customers report specific warning messages on their instrument cluster related to driver assistance systems.

Symptoms

Owners of affected Audi vehicles may experience the following messages displayed on their instrument cluster:

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

When these messages appear, both the Traffic Jam Assist and Audi Active Lane Assist functions will be unavailable and cannot be activated. The primary concern is an Audi Active Lane Assist malfunction U112300.

Fault Codes / DTCs

Technicians investigating this issue will typically find Diagnostic Trouble Code (DTC) U112300 stored in one of two control modules. This DTC indicates a "Databus error value received" and can manifest with different symptom codes and conditions:

Control Module	Address Word	Symptom Code	Condition
Front camera, R242	00A5	1123220	Active/static
Front camera, R242	00A5	1123220	Passive/sporadic (frequency counter >= 3)
Distance regulation control module, J428	0013	2153	Active/static
Distance regulation control module, J428	0013	2153	Passive/sporadic (frequency counter >= 3)

Diagnosis / Trigger Conditions

The complaint is typically active or static and can be reproduced consistently. The presence of DTC U112300 in either the R242 front camera or J428 distance regulation control module, particularly when associated with the specified symptom codes and frequency counters, confirms the condition described in TSB 2061932/10.

Repair Procedure Summary

The recommended repair for this Audi Active Lane Assist malfunction U112300 involves replacing the capacitive steering wheel. Technicians are instructed to follow the detailed instructions provided in the repair manual for the removal and installation of the steering wheel. The TSB specifies labor operations such as "Steering wheel remove + reinstall" (code 4810 19xx) and GFF (code 0150 0060) for warranty claims.

Important Warnings

Audi advises technicians to reproduce the customer complaint to ensure it aligns with the description and cause outlined in this TSB. The repair should only be performed if all specified criteria are met, including the correct model/type, chassis number, engine/motor and gearbox code, PR number(s), part number, and software version. Failure to adhere to these criteria may result in the problem not being resolved and could lead to warranty claim rejection and chargebacks for parts costs.

Owner Action

If your 2021-2025 Audi is displaying the "Traffic Jam Assist: unavailable!" or "Audi Active Lane Assist: fault!" messages, or if you suspect an Audi Active Lane Assist malfunction U112300, it is recommended to schedule an appointment with an authorized Audi dealer. They will be able to diagnose the issue using the information provided in TSB 2061932/10 and perform the necessary repair, which typically involves replacing the capacitive steering wheel. Warranty coverage for this repair will depend on your vehicle's warranty status.

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Source: NHTSA ID: 11013715