2025 Audi Q5 Side Assist Warnings TSB 2078626/2

Owners of certain 2025 Audi Q5 and SQ5 models may experience an issue where the side assist system generates warnings without an actual vehicle in the blind spot. This can manifest as the light in the exterior mirror illuminating unnecessarily, even when the adjacent lane is clear. Audi has released Technical Service Bulletin (TSB) 2078626/2 to address these "side assist issues warnings for no reason." This bulletin outlines a specific repair procedure involving a software update and system calibration to correct the false warnings, ensuring the system operates reliably.

Symptoms

The primary symptom reported by owners is the side assist system issuing warnings when no other vehicle is present in the blind spot. This typically involves the warning light in the exterior mirror on the corresponding side of the vehicle lighting up, indicating a detected object that isn't there. The side assist system is designed to enhance safety by alerting drivers to vehicles in their blind spots during lane changes. When it provides false alerts, it can be distracting and may lead drivers to disregard legitimate warnings, potentially compromising road safety. If you are experiencing these Audi Q5 side assist warnings, your vehicle may be affected by this known condition.

Diagnosis

When a customer reports these false Audi Q5 side assist warnings, the issue can usually be reproduced during a workshop visit. Audi technicians are trained to verify the complaint by observing the system's behavior under controlled conditions, often involving a test drive or specific diagnostic routines. This confirmation step is crucial to ensure that the problem is indeed the unintended activation of the side assist warning lights and not another underlying issue. Once confirmed, the technician can proceed with the prescribed repair.

Repair Procedure Summary

To resolve the "side assist issues warnings for no reason," Audi's Technical Service Bulletin 2078626/2 details a two-step repair process designed to restore proper functionality to the driver assistance system.

First, technicians must check for and perform a specific software update. This involves verifying if TSB 2079690, titled "00 Combined software update 03.10.00/C (28.13.01) KD2," is applicable to the vehicle. If this bulletin is visible for the vehicle, the software update identified as "03.10.00/C (28.13.01) KD2" must be installed. This software update is critical for correcting any underlying programming logic errors that might be causing the side assist system to misinterpret sensor data and generate false warnings.

Second, after the software update, a dynamic calibration of several control units is required. This calibration drive adjusts the operational parameters for the lane change assist control units (-J769- and -J770-) and the radar sensor control units for object detection (-J1088- and -J1089-). Dynamic calibration involves driving the vehicle under specific conditions to allow the sensors and control units to learn and adapt to their environment. This process ensures that these sophisticated systems accurately detect objects, measure distances, and function correctly according to the vehicle's equipment and the manufacturer's precise specifications. The entire calibration procedure must be performed in accordance with the detailed instructions provided in the Workshop Manual.

Warranty Information

For vehicles still under warranty, claims for this repair must adhere strictly to the Audi Warranty Policies and Procedures Manual. The specific Service Number associated with this repair is 9635, and the Damage Code to be used is KD02. Labor operations covered under this TSB include:

• 0151 0010: Software update, which includes the necessary step of connecting a battery charger to maintain stable voltage during the process.
• 0151 0040: A fixed rate for the comprehensive software update, encompassing all required preliminary and follow-up work. This includes managing the bus sleep cycle, performing the calibration drive, and any additional work, such as restarting the software update if the flashing process is interrupted. This operation is allotted 130 TU (Technical Units).
• 0150 0060: Guided Functions (GFF), where the time spent is recorded as per the diagnostic protocol.
• 9635 1552: Adjusting the lane change assist control unit through a dynamic process.

If the vehicle is outside of its warranty period, this Technical Service Bulletin serves as informational guidance only, and the repair may not be covered by Audi. Owners should inquire about potential costs with their dealer.

Important Warnings for Owners

Audi owners should be aware that all warranty claims related to this TSB, 2078626/2, must comply with the Audi Warranty Policies and Procedures Manual. It's important to note that when the combined software update is performed, time stamps are not required for billing under warranty, which can streamline the process. Furthermore, this specific software update can be carried out by non-productive personnel, indicating a standardized and potentially quicker procedure. Owners are advised to always consult with an authorized Audi dealer to confirm warranty coverage and the applicability of TSB 2078626/2 to their specific vehicle, especially if they are experiencing false Audi Q5 side assist warnings.

Source: NHTSA ID 11027332