2021-2022 Audi A3, Q3, S3 Bluetooth Whistling Noise TSB

Owners of 2021-2022 Audi A3, Q3, and S3 vehicles may encounter an issue where a distinct whistling noise is heard during Bluetooth phone calls. This noise is particularly noticeable because it changes in pitch or intensity in correlation with the engine's RPM. This condition is addressed by Audi's manufacturer communication, TSB 10204960. This document provides specific repair instructions for technicians to resolve this audio interference.

Symptoms

The primary symptom owners will experience is an audible whistling noise during active Bluetooth phone calls. This interference is directly linked to the engine's speed, meaning the pitch or volume of the whistle will fluctuate as the engine RPM changes. This can significantly degrade call quality and driver experience.

Diagnosis / Trigger Conditions

This particular issue, as outlined in the TSB 10204960, does not typically store any diagnostic trouble codes (DTCs) in the vehicle's system. Therefore, a lack of DTCs does not rule out the presence of this whistling noise. The condition is specifically triggered during Bluetooth phone calls while the engine is running and its RPM is fluctuating.

Repair Procedure Summary

Audi's TSB 10204960 contains detailed repair instructions for technicians to diagnose and rectify the whistling noise interference in the affected vehicles. While the specific steps are not publicly detailed, the bulletin guides service personnel through the necessary procedures to address the underlying cause within the vehicle's electrical equipment related to the Bluetooth system. The repair likely involves specific diagnostic checks, potential component adjustments, or software updates to eliminate the unwanted audio feedback.

What Owners Should Do

If you own a 2021-2022 Audi A3, Q3, or S3 and are experiencing a whistling noise during Bluetooth phone calls that varies with engine RPM, you should schedule an appointment with an authorized Audi dealership. Inform them about the specific symptom and mention the existence of TSB 10204960. Your dealer will be able to perform the necessary diagnostics and apply the repair outlined in the bulletin to resolve the issue. This is a manufacturer communication, and the repair should be covered under warranty if your vehicle is still within its warranty period.

Important Warnings

Audi is NOT notifying consumers directly about this particular manufacturer communication. Owners must proactively seek out this information or address the symptom with their dealership. This Update differs from a recall, as it addresses a customer comfort issue rather than a safety defect.

Source: NHTSA ID 10204960