2021 Audi Q7/SQ7 Front Door Speaker Rattle TSB

Symptoms

Owners of 2021 Audi Q7 and SQ7 vehicles may experience issues with their front door speakers. The primary complaint is "Distorted audio from low range speakers in one, or both front doors." This can manifest as a noticeable rattle, vibration, or generally poor audio reproduction, particularly when playing music with bass frequencies. The problem affects the sound system, potentially diminishing the overall audio experience within the vehicle.

Diagnosis

According to Audi Technical Service Bulletin 91 21 19 2064182/1, the root cause of the "Distorted audio from low range speakers" is a specific speaker component. Workshop findings indicate that the speaker with part number 4M0 035 415 is prone to distortion. This issue is often observed in vehicles equipped with the Bang & Olufsen sound system. Technicians will confirm the presence of this specific speaker part number and the audio distortion to proceed with the repair.

Repair Procedure Summary

The repair outlined in TSB 91 21 19 2064182/1 involves replacing the faulty front door speakers. If the speaker with part number 4M0 035 415 is identified as the cause of the customer's concern, both the left and right front door speakers must be replaced. The replacement part is an improved design, identified by part number 4M0 035 415 A. It is crucial that both speakers are replaced simultaneously to ensure consistent sound quality and prevent future issues. The labor operation for this procedure is documented as "Remove and install 2 loudspeakers" with service number 9140 2099.

Required Parts

To address the "Audi Q7 speaker rattle" and distorted audio, the following part is required for the repair:

• Part Number: 4M0035415A
• Description: Woofer
• Quantity: 02 (two speakers are needed for the replacement)

This updated woofer is designed to resolve the distortion issue found in the original 4M0 035 415 speakers.

Important Warnings

Audi states that if your vehicle is outside of its warranty period, Technical Service Bulletin 91 21 19 2064182/1 is provided for informational purposes only. This implies that the cost of diagnosis and repair may not be covered by Audi if the vehicle is no longer under warranty. Owners should be aware of their warranty status when seeking this repair.

Owner Action

If you own a 2021 Audi Q7 or SQ7 and are experiencing "Distorted audio from low range speakers" or a front door speaker rattle, you should contact your authorized Audi dealership. Describe the symptoms you are hearing, such as speaker rattle or poor audio reproduction. The dealership will diagnose the issue, confirm if TSB 91 21 19 2064182/1 applies to your vehicle, and perform the necessary speaker replacement. Be prepared to discuss your vehicle's warranty status, as this will determine potential repair costs.

Source: NHTSA ID 10200444