OnStar(R) - Generation 8, Various Malfunctions
TECHNICALBulletin No.: 09-08-46-004
Date: November 23, 2009
Subject: Generation 8 OnStar(R) Modules Unable to Contact OnStar(R) Center, Make or Receive Hands-Free Calls, Receive OnStar(R) Services and Possible Battery Discharge Condition (Replace OnStar(R) VCIM)
Models:
2009 Buick Enclave
2010 Buick LaCrosse
2008-2009 Cadillac CTS
2009 Cadillac Escalade, Escalade ESV, Escalade EXT, STS, XLR
2009-2010 Cadillac SRX
2009 Chevrolet Avalanche, Cobalt, Corvette, HHR, Silverado, Suburban, Tahoe, Traverse
2009-2010 Chevrolet Equinox
2010 Chevrolet Camaro, Equinox
2009 GMC Acadia, Sierra, Yukon, Yukon XL
2010 GMC Terrain
2009 Pontiac G5, G8, Solstice, Torrent
2009 Saturn OUTLOOK, SKY, VUE
All Equipped with OnStar(R) (RPO UE1)
Condition
Important
This bulletin is being issued to provide the dealers with information regarding a condition pertaining to vehicles equipped with a Generation 8 OnStar(R) Vehicle Communication Interface Module (VCIM).
Some customers may comment that they are not able to contact the OnStar(R) Center and that the vehicle is unable to make or receive OnStar(R) hands-free calls. This condition also affects vehicles enrolled in OnStar(R) vehicle diagnostics such that the monthly e-mail may not be sent to the subscriber as scheduled. OnStar(R) may also be unable to perform any outbound services, such as door unlocks. In some instances, under certain circumstances, a battery discharge condition may also be experienced.
Affected Unit StID Ranges
29,800,000 - 31,125,426
38,000,000 - 39,175,239
47,500,000 - 47,515,592
49,000,000 - 49,015,638
Customer Notification
OnStar(R) will notify subscribers on a case-by-case basis. OnStar(R) customer notification letters will include a reference to this bulletin. Some customers may also be referred to the dealer by OnStar(R) Technical Assistance following attempts to resolve any of the listed concerns. Subscribers will be directed to contact their GM dealer to schedule an appointment to have the OnStar(R) VCIM replaced.
Correction
In an effort to maintain the highest customer satisfaction level, dealers are being urged to obtain the necessary information from the customer (name, VIN, odometer reading) to pre-order a replacement OnStar(R) module, allowing for a single repair visit. Dealer technicians should replace the OnStar(R) VCIM per the applicable procedure outlined in the vehicle specific Service Information. Refer to Communication Interface Module Replacement in SI. Make sure to perform the applicable module set-up and activation procedures. Refer to Communication Interface Module Programming and Setup in SI.
Parts Information
Important
DO NOT ORDER ONSTAR(R) MODULES FROM GENERAL MOTORS SERVICE AND PARTS OPERATIONS (GMSPO), SATURN SERVICE PARTS OPERATION (SSPO) OR THE TECHNICAL ASSISTANCE CENTER (TAC).
US: OnStar(R) modules required for this procedure are to be obtained by contacting Autocraft Electronics via the web at www.autocraft.com and selecting the catalog item that contains this bulletin number. The dealer must provide the VIN, Repair Order (R.O.) number and the current vehicle odometer reading.
Canada: OnStar(R) modules required for this procedure are to be obtained by contacting MASS Electronics. The dealer must provide the VIN, R.O. number and the current odometer reading.
Warranty Information
For vehicles repaired under warranty, use the applicable model-specific labor time.
Disclaimer