Popping Noise from Speakers at Low Volume and High Bass – 2015 Lincoln MKC

THX AUDIO SYSTEM EQUIPPED – POPPING NOISE FROM SPEAKERS ON LOW VOLUME/HIGH BASS WHEN USING USB OR BLUETOOTH AUDIO DEVICE

 

LINCOLN:

2015 MKC

 

ISSUE:

Some 2015 MKC vehicles equipped with the THX audio system may exhibit a popping noise from the speakers with the information and entertainment system set at low volume and high bass when using a USB or bluetooth media device.

 

ACTION:

Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE

1. Does a popping noise from the speakers occur with the information and entertainment system set at low volume and high bass when using a USB or bluetooth device?
   1. Yes – proceed to step 2.
   2. No – this article does not apply. Refer to Workshop Manual (WSM), Section 415-00 for normal diagnostics.
2. Replace the Audio Digital Signal Processing (DSP) Module. Refer to WSM, Section 415-00.

 

EJ7Z-18B849-D

Digital Signal Processing Module