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Service bulletin 20NA026

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10178965
Published by NHTSA2020-08-31
Manufacturer's number20NA026
Manufacturer's date2020-07-22
NHTSA componentEQUIPMENT:ELECTRICAL

NHTSA's summary

This technical bulletin provides repair information to correct a customer concern of Loss of Radio Audio Shortly After an OnStar In-Vehicle Voice Message Is Heard.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories

Vehicles listed
BUICK ENCLAVE2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
BUICK ENCORE2013, 2014
BUICK LACROSSE2010, 2011, 2012, 2013, 2014
BUICK LUCERNE2006, 2007, 2008, 2009, 2010, 2011
BUICK REGAL2011, 2012, 2013, 2014
BUICK VERANO2012, 2013, 2014
CADILLAC ATS2013, 2014
CADILLAC CTS2008, 2009, 2010, 2011, 2012, 2013, 2014
CADILLAC CTS-V2014 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC DTS2006, 2007, 2008, 2009, 2010, 2011
CADILLAC ELR2014
CADILLAC ESCALADE2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
CADILLAC ESCALADE ESV2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SRX2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CADILLAC XTS2013, 2014
CHEVROLET AVALANCHE2007, 2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET AVEO2009, 2010, 2011
CHEVROLET CAMARO2010, 2011, 2012, 2013, 2014, 2015
CHEVROLET CAPTIVA2013 to 2014
CHEVROLET CAPTIVA SPORT2012
CHEVROLET CORVETTE2014
CHEVROLET CRUZE2011, 2012, 2013, 2014
CHEVROLET EQUINOX2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CHEVROLET EXPRESS2011, 2012, 2013, 2014, 2015
CHEVROLET IMPALA2006, 2007, 2008, 2009, 2010
CHEVROLET IMPALA2012, 2013, 2014, 2015
CHEVROLET MALIBU2013
CHEVROLET MONTE CARLO2006, 2007
CHEVROLET SILVERADO 15002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002014, 2015 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SONIC2012, 2013, 2014
CHEVROLET SPARK2013, 2014
CHEVROLET SPARK EV2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
CHEVROLET TAHOE2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
CHEVROLET TRAVERSE2009, 2010, 2011, 2012, 2013, 2014, 2015
CHEVROLET TRAX2013, 2014
CHEVROLET VOLT2011, 2012, 2013, 2014
GMC ACADIA2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
GMC SAVANA2011, 2012, 2013, 2014, 2015
GMC SIERRA 15002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002014, 2015 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2015 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2010, 2011, 2012, 2013, 2014
GMC YUKON2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
GMC YUKON XL2007, 2008, 2009, 2010, 2011
GMC YUKON XL2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2015
HUMMER H22008, 2009
PONTIAC G32009, 2010
PONTIAC G82008, 2009
PONTIAC TORRENT2007, 2008
PONTIAC VIBE2009, 2010
SAAB 9-32009
SAAB 9-32011
SAAB 9-52008
SATURN OUTLOOK2007, 2008, 2009, 2010
SATURN VUE2008, 2009

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20182122018-04-27. Accessories
18V2670002018-04-26. EQUIPMENT
13V5440002015-10-30. EQUIPMENT:OTHER:LABELS
14V7060002014-11-05. EQUIPMENT ADAPTIVE/MOBILITY
14V3450002014-06-18. EQUIPMENT; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
20142162014-06-06. Accessories
13V4630002013-09-26. EQUIPMENT:OTHER:LABELS
10V4140002010-09-13. EQUIPMENT
20101892010-06-07. Accessories
09V4800002009-12-17. EQUIPMENT:OTHER:LABELS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PI0572B2024-05-06. Service bulletin. Information on COAX Repair Kit Availability.
PI0488C2024-05-06. Service bulletin. Diagnostic Information for Transmission.
PI0408A2024-05-06. Service bulletin. Information on Tire Rotation Recommendations.
PI0718B2024-04-29. Service bulletin. Audio System Speaker Rattle, Buzz Noise, Poor Sound
PI0693C2024-04-29. Service bulletin. Unable to Access MP3 Files on CD, Bluetooth Connectivity, No Audio After a Bluetooth CALL.
PI0689B2024-04-29. Service bulletin. Tool or Utility Box Sagging, Mis-aligned.
PI0688F2024-04-29. Service bulletin. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.
PI0688E2024-04-29. Service bulletin. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.
PI0688D2024-04-29. Service bulletin. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.
PI0663F2024-04-29. Service bulletin. Factory Settings Option Inoperable, Radio Display Information May Not Match.