FixVault

ONSTAR Module 2G Sunset Information (23-NA-001)

Publication date: 2023-02-15
Reference number: 23-NA-001

ONSTAR MODULE 2G SUNSET INFORMATION

ONSTAR MODULE 2G SUNSET INFORMATION

TECHNICAL SERVICE BULLETIN

Reference Number(s): 23-NA-001, Date of Issue:  Feb 15, 2023

SERVICE INFORMATION

Brand: Model: Model Year: VIN: Engine: Transmission:
from to from to
Buick Envision 2017 2017 - - - -
LaCrosse 2011 2013
LeSabre 2000 2005
Regal 2011 2017
Verano 2014 2017
Cadillac ATS 2014 2017 - -
CTS 2003 2011
DeVille 2005 2005
DTS 2011 2011
ELR 2014 2016
SRX 2011 2016
XLR 2004 2009
Chevrolet Aveo 2011 2011 - -
Camaro 2010 2015
Cavalier 2003 2005
Colorado 2002 2017
Corvette 2007 2017
Cruze 2011 2017
Equinox 2010 2017
Express 2003 2015
Impala 2011 2014
Malibu 2011 2017
Silverado 2003 2017
Suburban 2003 2017
Sonic 2012 2017
Spark 2013 2015
Tahoe 2003 2017
Traverse 2014 2017
Uplander 2005 2009
GMC Acadia 2014 2017 - -
Savana 2003 2015
Sierra 2003 2017
Terrain 2010 2017
Yukon Models 2003 2017
HUMMER H2 2003 2007 - -
H3 2006 2010
Oldsmobile Aurora 2001 2003 - -
Pontiac Aztek 2001 2007 - -
Bonneville 2000 2005
Sunfire 2003 2005
Saab 9 - 3 2010 2010 - -
Saturn AURA 2007 2007 - -
OUTLOOK 2007 2009
RELAY 2005 2007
VUE 2002 2007
Involved Region or Country  North America
Condition  Some customers may comment on a notification and/or some 2G OnStar module features are no longer operable. The customer concerns may be, but not limited to:
  • OnStar Microphone Malfunction
  • OnStar Audio Malfunction
  • OnStar Button LED Malfunction
  • OnStar Call Center Remote Function Requests Malfunction
  • OnStar Button Malfunction
  • Unable to Contact OnStar Call Center
  • OnStar Voice Recognition Malfunction
  • OnStar Steering Wheel Control Functions Malfunction.

All other functions within the OnStar module will be unaffected such as: OnStar remote link, Bluetooth, microphone, and GPS.
Cause  On December 31, 2022, the 2G cellular signal will no longer be active, causing some OnStar module features to be inoperable.
Information  The OnStar guardian app is being utilized as a replacement of the OnStar portion of the module.
NOTE:

The 2G CDMA cellular network was decommissioned across Canada in 2015. Dealers in Canada should refer to Home Office Letter (HOL) #2021-707 Canadian CDMA Upgrade Program Sunset.


Do Not  replace the OnStar module because of 2G shutdown.
If a vehicle did not respond to, or the customer did not receive notification of the OnStar deactivation, and is brought into service for inactive/broken/inoperable OnStar features, do not replace the module. The module is not broken.
Any other function in the Telematics Communication Interface Control Module (other than OnStar), technicians are directed to diagnose as directed by SI.
If a customer comes in for a concern that pertains to this bulletin, please direct them to the OnStar Guardian app. 
https://www.onstar.com/us/en/guardian-app/gm-owner/

SERVICE INFORMATION

Version  1
Modified  Released January 06, 2023