Tuesday, January 28, 2020

2010 Cadillac CTS Sedan AWD V6-3.6L Technical Service Bulletin # 10-08-44-003B Date: 101013

2010 Cadillac CTS Sedan AWD V6-3.6L Technical Service Bulletin # 10-08-44-003B Date: 101013



Audio - Buzz Noise When Using Bluetooth(R)



TECHNICAL



Bulletin No.: 10-08-44-003B



Date: October 13, 2010



Subject: Buzz Noise During Call When Using Bluetooth(R) (Replace Microphone and Bezel)



Models:



2010 Cadillac CTS Sedan AWD V6-3.6L Page 283



2009-2011 Buick Enclave, LaCrosse, Lucerne



2008-2011 Cadillac CTS, CTS-V



2009-2011 Cadillac DTS, Escalade, Escalade ESV, Escalade EXT, SRX, STS (with RPO YQ1 or YQ2), XLR



2009-2010 Chevrolet Cobalt, Corvette, Equinox, HHR, Impala, Malibu, Silverado, Suburban, Tahoe, TrailBlazer, Traverse



2010-2011 Chevrolet Camaro



2009-2010 GMC Envoy



2009-2011 GMC Acadia, Sierra, Yukon, Yukon XL



2009-2010 Pontiac G5, G6, Solstice, Torrent



2009-2010 HUMMER H2, H3



2009-2010 Saturn AURA, OUTLOOK, SKY, VUE



2009 Saab 9-7X



All Equipped with OnStar(R) (UE1) and Bluetooth (UPF)



Supercede:



This bulletin is being revised to replace the microphone and bezel (if needed) and update model years. Please discard Corporate Bulletin Number



10-08-44-003A (Section 08 - Body and Accessories).



Condition



Some customers may comment on a buzz noise (from the land-line side only) during a call.



On any vehicle equipped with OnStar(R) (UE1) and Bluetooth(R) (UPF), an electromagnetic compatibility (EMC) buzz can be heard from the



land-line side only of the phone during a Bluetooth(R) phone call made with an older model global system for mobile communications (GSM)



phone. The buzz is only heard with older model GSM phones and is dependent on the distance of the phone from the microphone. The newer 3G



GSM phones or other cellular phones (CDMA, TDMA, etc.) have not shown this concern.



Correction



Equipped with Headliner Microphone (Cobalt, HHR (non-sunroof) H2, H3)



A new microphone and bezel has been developed to address this concern. Replace the existing microphone with GM P/N 20951265. Also replace



the bezel. Refer to the parts information table below for correct color/part number.



Equipped with Overhead Console Microphone



A new microphone has been developed to address this concern. Replace the existing microphone with GM P/N 20951265.



Parts Information



2010 Cadillac CTS Sedan AWD V6-3.6L Page 284



Warranty Information



For vehicles repaired under warranty, use the table.