2024-2025 Audi A3 Parking Aid Warning TSB

Symptoms of the Parking Aid Warning

Owners of 2024-2025 Audi A3 vehicles may encounter an unexpected parking aid warning. This warning typically appears when the steering wheel is turned to its full lock position, even when there are no identifiable obstacles nearby. The issue stems from the driver assist systems related to parking aid, park assist, and rear traffic alert functionalities.

Specific complaints noted in TSB 2078645/1 include:

• Parking aid functionality switching on by itself.
• Obstacle detection giving an incorrect reading, specifically for optical or acoustic obstacle signals.
• Parking aid functionality activating too early or without cause.

Important Warnings

NOTICE: This TSB does not apply if the complaint also occurs when the steering wheel is not turned to full lock!

If a customer declines the required software update, they must be informed that this decision could lead to issues or restrictions with the use of the vehicle or individual components. It is crucial to make a note of this on the repair order before it is signed and to include this information in the customer's file.

Diagnosis

When diagnosing this issue, technicians will attempt to reproduce the complaint by turning the steering wheel to full lock. It has been observed that there are no relevant event memory entries stored in the parking aid control unit -J446- related to this specific condition. This absence of fault codes helps confirm the problem's nature as a software anomaly rather than a hard component failure.

Technical Background

Audi has identified the root cause of this parking aid warning as a software issue within the vehicle's assistance systems. This software anomaly affects the proper operation of the parking aid control unit, leading to the erroneous warnings. A production solution, identified as CW35/2024, has been developed to address this problem.

Repair Procedure Summary

To resolve the Audi A3 parking aid warning, the parking aid control unit -J446- (diagnostic address 0076) requires a software update. This update is performed via the Software Version Management (SVM) system. Technicians will use an ODIS tester and enter the specific SVM code 76A022 in "Flash" mode to initiate the update process. All instructions provided on the ODIS tester must be followed carefully. Additionally, technicians must refer to TSB 2011732: 00 Software Version Management (SVM), operating instructions, for comprehensive guidance on performing SVM updates.

Required Tools or Parts

To perform the software update for TSB 2078645/1, the following are necessary:

• ODIS Tester: For diagnostic and programming functions.
• SVM Code 76A022: The specific code required to initiate the software update for the parking aid control unit.
• TSB 2011732: This bulletin provides detailed operating instructions for Software Version Management (SVM) procedures.
• Parking aid control unit -J446- (Diagnostic address 0076): The target control unit for the software update, which currently has software version 0997.

Warranty Information

This Technical Service Bulletin 2078645/1 is applicable for warranty claims under specific conditions. If the vehicle is outside of any applicable warranty, this bulletin serves as informational guidance only. All warranty claims must adhere to the Audi Warranty Policies and Procedures Manual.

• Service Number: 9174
• Damage Code: 0039
• Labor Operations: Software update (code 0151 0010). Refer to the Service Repair Time (SRT) for associated operations.
• Diagnostic Time: Software update (code 0151 0060). The time stated on the diagnostic protocol should be used.
• Claim Comment: As per TSB 2078645/1.

Owner Action

If your 2024-2025 Audi A3 is experiencing a parking aid warning when the steering wheel is turned to full lock, contact your authorized Audi dealership. Describe the symptoms to them, referencing Technical Service Bulletin 2078645/1. The dealership will perform the necessary software update to the parking aid control unit to resolve this issue.

NHTSA ID: 10255535