# Service bulletin 15\-NA\-079

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10190512
- Published by NHTSA: 2021\-04\-20
- Manufacturer's number: 15\-NA\-079
- Manufacturer's date: 2015\-12\-01
- NHTSA component: EQUIPMENT; ELECTRICAL SYSTEM

## NHTSA's summary

OnStar® Voice Fallback Number Update Some customers may have received a letter from OnStar® stating that "We recently tried to provide a software update to the OnStar® hardware in your vehicle. However, your system could not be updated remotely. As a result, some of your OnStar® system functions may not be working as expected." The customer is further instructed in this letter to "Please contact your dealer – or any dealer near you – as soon as possible to schedule an appointment for this no\-cost software update. Your dealer will reprogram your OnStar® module with an update. This is for vehicles that have previously received the Canada upgrade as described in Service Bulletin \#15\-08\-44\-001F."

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10190512-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10190512-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Equipment and accessories

## Vehicles listed

- 2006 to 2009 BUICK ALLURE
- 2000 to 2005 BUICK CENTURY
- 2008 to 2010 BUICK ENCLAVE
- 2005 to 2010 BUICK LACROSSE
- 2000 to 2005 BUICK LESABRE
- 2006 BUICK LESABRE
- 2006 to 2010 BUICK LUCERNE
- 2000 to 2005 BUICK PARK AVENUE
- 2003 BUICK RAINIER
- 2004 to 2007 BUICK RAINIER
- 2000 to 2004 BUICK REGAL
- 2005 BUICK REGAL
- 2008 to 2010 BUICK REGAL
- 2000 BUICK RENDEZVOUS
- 2001 to 2007 BUICK RENDEZVOUS
- 2000 BUICK RIVIERA
- 2000 BUICK SKYLARK
- 2005 to 2007 BUICK TERRAZA
- 2008 BUICK TERRAZA
- 2000 to 2001 CADILLAC CATERA
- 2002 to 2003 CADILLAC CATERA
- 2003 to 2010 CADILLAC CTS
- 2004 to 2007 CADILLAC CTS\-V
- 2010 CADILLAC CTS\-V
- 2000 to 2005 CADILLAC DEVILLE
- 2004 to 2005 CADILLAC DTS
- 2006 to 2010 CADILLAC DTS
- 2000 to 2002 CADILLAC ELDORADO
- 2000 to 2010 CADILLAC ESCALADE
- 2003 to 2010 CADILLAC ESCALADE ESV
- 2007 to 2010 CADILLAC ESCALADE EXT
- 2002 to 2010 CADILLAC ESCALADE EXT 1500
- 2008 to 2010 CADILLAC ESCALADE HYBRID
- 2000 to 2004 CADILLAC SEVILLE
- 2002 CADILLAC SLS
- 2004 CADILLAC SLS
- 2004 to 2010 CADILLAC SRX
- 2001 to 2004 CADILLAC STS
- 2005 to 2010 CADILLAC STS
- 2003 to 2009 CADILLAC XLR
- 2000 CHEVROLET 6H
- 2000 CHEVROLET 7H
- 2000 to 2002 CHEVROLET ALERO EXPORT
- 2000 to 2005 CHEVROLET ASTRO
- 2007 to 2010 CHEVROLET AVALANCHE
- 2002 to 2010 CHEVROLET AVALANCHE 1500
- 2002 to 2007 CHEVROLET AVALANCHE 2500
- 2004 to 2010 CHEVROLET AVEO
- 2000 to 2001 CHEVROLET B SERIES
- 2000 CHEVROLET B6 MEDIUM DUTY
- 2000 to 2002 CHEVROLET B7
- 2000 CHEVROLET B7 MEDIUM DUTY
- 2000 CHEVROLET BEAUVILLE
- 2002 CHEVROLET BERETTA
- 2000 to 2005 CHEVROLET BLAZER
- 2006 to 2009 CHEVROLET BLAZER
- 2003 to 2009 CHEVROLET C SERIES
- 2000 to 2001 CHEVROLET C10
- 2003 to 2010 CHEVROLET C4500
- 2008 CHEVROLET C4500 NA
- 2003 to 2008 CHEVROLET C5500
- 2000 to 2009 CHEVROLET C6500
- 2000 to 2009 CHEVROLET C7500
- 2008 CHEVROLET C7500NA
- 2003 to 2009 CHEVROLET C8500
- 2000 to 2002 CHEVROLET CAMARO
- 2010 CHEVROLET CAMARO
- 2003 to 2004 CHEVROLET CAPRICE
- 2008 to 2010 CHEVROLET CAPTIVA
- 2009 CHEVROLET CAPTIVA SPORT
- 2010 CHEVROLET CAPTIVA SPORT
- 2000 to 2005 CHEVROLET CAVALIER
- 2000 to 2001 CHEVROLET CHEVY VAN
- 2003 CHEVROLET CHEVY VAN
- 2004 to 2006 CHEVROLET CLASSIC
- 2000 CHEVROLET COBALT
- 2002 CHEVROLET COBALT
- 2005 to 2010 CHEVROLET COBALT
- 2008 to 2010 CHEVROLET COBALT SS
- 2004 to 2010 CHEVROLET COLORADO
- 2000 to 2001 CHEVROLET CONVENTIONAL
- 2003 CHEVROLET CONVENTIONAL
- 2000 to 2010 CHEVROLET CORVETTE
- 2005 to 2008 CHEVROLET CORVETTE Z06
- 2009 CHEVROLET CORVETTE ZR1
- 2010 CHEVROLET CRUZE
- 2000 to 2006 CHEVROLET DENALI
- 2000 to 2002 CHEVROLET ENVOY
- 2005 CHEVROLET EPICA
- 2005 to 2010 CHEVROLET EQUINOX
- 2000 CHEVROLET EXPLORER
- 2002 CHEVROLET EXPLORER
- 2000 to 2010 CHEVROLET EXPRESS
- 2000 to 2010 CHEVROLET EXPRESS 1500
- 2000 to 2010 CHEVROLET EXPRESS 2500
- 2000 to 2010 CHEVROLET EXPRESS 3500
- 2009 CHEVROLET EXPRESS 4500
- 2006 to 2008 CHEVROLET EXPRESS CUTAWAY VAN
- 2000 to 2001 CHEVROLET F SERIES
- 2004 to 2006 CHEVROLET F SERIES
- 2000 to 2001 CHEVROLET F6
- 2000 to 2001 CHEVROLET F7
- 2000 to 2003 CHEVROLET G SERIES
- 2000 to 2002 CHEVROLET G VAN
- 2000 to 2010 CHEVROLET G VAN BUS
- 2003 to 2008 CHEVROLET G1500
- 2000 to 2002 CHEVROLET G25
- 2003 to 2005 CHEVROLET G2500
- 2001 to 2002 CHEVROLET G30
- 2000 to 2002 CHEVROLET G35
- 2003 to 2005 CHEVROLET G3500
- 2008 CHEVROLET G3500
- 2001 CHEVROLET H SERIES
- 2006 to 2010 CHEVROLET HHR
- 2000 to 2010 CHEVROLET IMPALA
- 2006 CHEVROLET IMPALA \(GMX 211\)
- 2000 to 2005 CHEVROLET INCOMPLETE/CUTAWAY C3
- 2000 to 2002 CHEVROLET JIMMY
- 2000 to 2002 CHEVROLET L SERIES
- 2000 to 2002 CHEVROLET L VAN
- 2000 to 2001 CHEVROLET LUMINA
- 2002 CHEVROLET LUMINA
- 2008 CHEVROLET LUMINA
- 2000 to 2001 CHEVROLET LUMINA APV
- 2000 to 2002 CHEVROLET M SERIES
- 2000 to 2002 CHEVROLET M VAN
- 2000 to 2002 CHEVROLET M/L
- 2000 CHEVROLET M/L VAN
- 2000 to 2010 CHEVROLET MALIBU
- 2000 to 2003 CHEVROLET MALIBU CLASSIC
- 2004 to 2005 CHEVROLET MALIBU CLASSIC
- 2007 CHEVROLET MALIBU CLASSIC
- 2008 to 2010 CHEVROLET MALIBU HYBRID
- 2004 to 2007 CHEVROLET MALIBU MAXX
- 2000 to 2001 CHEVROLET METRO
- 2000 to 2007 CHEVROLET MONTE CARLO
- 2008 CHEVROLET MONTE CARLO
- 2010 CHEVROLET MONTE CARLO
- 2000 CHEVROLET MOTOR HOME
- 2002 CHEVROLET MOTOR HOME
- 2004 to 2007 CHEVROLET OPTRA
- 2000 to 2002 CHEVROLET P SERIES
- 2000 to 2002 CHEVROLET PRIZM
- 2000 CHEVROLET R SERIES
- 2002 CHEVROLET ROADTREK
- 2000 to 2005 CHEVROLET S/T BLAZER
- 2000 to 2007 CHEVROLET S10
- 2000 to 2010 CHEVROLET SILVERADO 1500
- 2001 to 2005 CHEVROLET SILVERADO 1500 HD
- 2000 to 2010 CHEVROLET SILVERADO 2500
- 2000 to 2010 CHEVROLET SILVERADO 3500
- 2000 to 2003 CHEVROLET SONOMA
- 2003 to 2006 CHEVROLET SSR
- 2007 CHEVROLET SSR
- 2000 to 2010 CHEVROLET SUBURBAN
- 2000 to 2010 CHEVROLET SUBURBAN 1500
- 2000 to 2006 CHEVROLET SUBURBAN 2500
- 2008 to 2010 CHEVROLET SUBURBAN 2500
- 2003 to 2009 CHEVROLET T SERIES
- 2010 CHEVROLET T SERIES
- 2001 to 2002 CHEVROLET T6500
- 2004 to 2009 CHEVROLET T6500
- 2004 to 2009 CHEVROLET T7500
- 2004 to 2009 CHEVROLET T8500
- 2000 to 2010 CHEVROLET TAHOE
- 2008 to 2010 CHEVROLET TAHOE HYBRID
- 2010 CHEVROLET TAHOE POLICE PURSUIT
- 2002 CHEVROLET TOPKICK
- 2000 to 2004 CHEVROLET TRACKER
- 2000 to 2001 CHEVROLET TRAILBLAZER
- 2002 to 2009 CHEVROLET TRAILBLAZER
- 2002 to 2009 CHEVROLET TRAILBLAZER 360
- 2002 to 2004 CHEVROLET TRAILBLAZER EXT
- 2006 CHEVROLET TRAILBLAZER EXT
- 2002 to 2006 CHEVROLET TRAILBLAZER EXT 370
- 2000 to 2002 CHEVROLET TRANS SPORT
- 2005 CHEVROLET TRANS SPORT
- 2008 CHEVROLET TRAVERSE
- 2009 to 2010 CHEVROLET TRAVERSE
- 2005 to 2009 CHEVROLET UPLANDER
- 2000 to 2001 CHEVROLET V SERIES
- 2000 to 2002 CHEVROLET VAN
- 2000 to 2005 CHEVROLET VENTURE
- 2000 CHEVROLET W SERIES
- 2006 to 2007 CHEVROLET W SERIES C3 3500
- 2000 to 2010 CHEVROLET W\-SERIES
- 2000 to 2001 CHEVROLET W3500
- 2003 to 2010 CHEVROLET W3500
- 2000 CHEVROLET W4
- 2000 to 2001 CHEVROLET W4500
- 2003 to 2010 CHEVROLET W4500
- 2000 to 2002 CHEVROLET W5500
- 2004 to 2010 CHEVROLET W5500
- 2000 to 2003 CHEVROLET YUKON
- 2000 CHEVROLET YUKON XL
- 2001 CHEVROLET redundant SILVERADO 2500
- 2000 to 2001 GEO METRO
- 2000 to 2002 GEO PRIZM
- 2000 to 2002 GEO TRACKER
- 2000 GMC 6H

## Recalls for the same vehicles and component

- [2019463](/recalls/tc/2019463.md), 2019-09-19: Electrical
- [2016597](/recalls/tc/2016597.md), 2016-11-29: Electrical
- [2014284](/recalls/tc/2014284.md), 2014-07-03: Electrical
- [14V400000](/recalls/nhtsa/14V400000.md), 2014-07-03: ELECTRICAL SYSTEM:IGNITION
- [2014246](/recalls/tc/2014246.md), 2014-06-23: Electrical
- [14V355000](/recalls/nhtsa/14V355000.md), 2014-06-23: ELECTRICAL SYSTEM:IGNITION
- [2014243](/recalls/tc/2014243.md), 2014-06-20: Electrical
- [14V346000](/recalls/nhtsa/14V346000.md), 2014-06-20: ELECTRICAL SYSTEM:IGNITION
- [2014173](/recalls/tc/2014173.md), 2014-05-16: Electrical
- [14V252000](/recalls/nhtsa/14V252000.md), 2014-05-14: ELECTRONIC STABILITY CONTROL \(ESC\); VEHICLE SPEED CONTROL:CRUISE CONTROL; EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH; EXTERIOR LIGHTING:BRAKE LIGHTS; ELECTRICAL SYSTEM:WIRING

## Other bulletins for the same vehicles and component

- [23\-NA\-001](/bulletins/11017252.md), 2025-04-28, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
- [PIT5962B](/bulletins/11011805.md), 2024-12-12, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
- [20\-NA\-132](/bulletins/11010421.md), 2024-11-09, Service bulletin: ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
- [PIP4723J](/bulletins/11009156.md), 2024-10-25, Service bulletin: ELECTRICAL SYSTEM. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
- [PIC5650L](/bulletins/11007196.md), 2024-09-06, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
- [09\-06\-04\-026Y](/bulletins/11007116.md), 2024-09-05, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This bulletin provides information on identifying Non\-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- [General Communication](/bulletins/11006621.md), 2024-08-26, Service campaign: ELECTRICAL SYSTEM. Vehicle Wide Programming \(VWP\) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules \(with some exceptions\). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
- [PIP5569B](/bulletins/11006293.md), 2024-08-13, Service bulletin: ELECTRICAL SYSTEM. This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly.
- [PIT5195H](/bulletins/11006274.md), 2024-08-13, Service bulletin: ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is \+/\- 2 MPH at any given speed when looking straight at the needle.
- [18\-NA\-125](/bulletins/11002441.md), 2024-06-28, Service bulletin: ENGINE; ELECTRICAL SYSTEM. This service bulletin provides information for engine oil life monitor operation calculation.

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