PI1087

Service Bulletin Details

Public Details for: PI1087

Summary to be provided on a future date.


- 9999 -

Models from 9999
9999 GMC GMC 
File in Section:
Bulletin No.:
Service Bulletin
Date:
PI1087
October, 2013
PRELIMINARY INFORMATION
Subject:
Sweeping Whine Noise Increase/Decrease from Audio System on Lower AM Band
Stations
Models:
2008-2013 Buick Enclave
2007-2013 Cadillac Escalade Models
2007-2013 Chevrolet Avalanche, Silverado, Suburban, Tahoe
2009-2013 Chevrolet Traverse
2007-2013 GMC Acadia, Sierra Models, Yukon Models
2007-2011 HUMMER H2
Equipped with Rear Seat Entertainment (RPO U42)
Condition/Concern
Some customers may comment on a sweeping whine noise that increases/decreases from the audio system on
lower AM band stations.
This condition may be caused by noise emitting from the power feed line for the rear seat audio. Once the rear seat
audio module is disconnected, the noise is gone.
Recommendation/Instructions
Replace the rear seat entertainment audio transmitter module.
Parts Information
Part Number
Description
23154474
MODULE ASM-AUDIO SYSTEM XCVR
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation
Description
Labor Time
3420990
Audio System Transceiver Module
Use Published
Labor
Operation Time

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