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Service bulletin PI0774B

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 id10138556
Published by NHTSA2018-05-29
Manufacturer's numberPI0774B
Manufacturer's date2012-12-04
NHTSA componentEQUIPMENT:ELECTRICAL

NHTSA's summary

This preliminary information bulletin provides a descritption of operation of the echo control and noise cancellation settings for concernc regarding noice drop outs during calls and muffled sound.

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
BUICK ENCORE2013
BUICK LACROSSE2008, 2009, 2010, 2011, 2012, 2013
BUICK LUCERNE2008, 2009, 2010, 2011
BUICK LUCERNE2012
BUICK REGAL2011, 2012, 2013
BUICK TERRAZA2008
BUICK VERANO2012, 2013
CADILLAC ATS2013
CADILLAC CTS2008, 2009, 2010, 2011, 2012, 2013
CADILLAC DTS2008, 2009, 2010, 2011
CADILLAC ESCALADE2008, 2009, 2010, 2011, 2012, 2013
CADILLAC ESCALADE ESV2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SRX2008, 2009, 2010, 2011, 2012, 2013
CADILLAC STS2008, 2009, 2010, 2011
CADILLAC STS2012
CADILLAC XLR2008, 2009
CADILLAC XTS2013
CHEVROLET AVALANCHE2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET AVEO2009, 2010, 2011
CHEVROLET C SERIES2008
CHEVROLET CAMARO2010, 2011, 2012, 2013
CHEVROLET CAPRICE2012
CHEVROLET CAPTIVA2012
CHEVROLET COBALT2008, 2009, 2010
CHEVROLET COLORADO2008, 2009, 2010, 2011, 2012
CHEVROLET CORVETTE2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET CRUZE2011, 2012, 2013
CHEVROLET EQUINOX2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET EXPRESS2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET HHR2008, 2009, 2010, 2011
CHEVROLET IMPALA2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET MALIBU2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET SILVERADO 15002008, 2009, 2010, 2011, 2012 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SONIC2012, 2013
CHEVROLET SPARK2013
CHEVROLET SUBURBAN2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET T SERIES2010
CHEVROLET TAHOE2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET TRAILBLAZER2008, 2009
CHEVROLET TRAVERSE2009, 2010, 2011, 2012, 2013
CHEVROLET UPLANDER2008, 2009
CHEVROLET VOLT2011, 2012, 2013
GMC ACADIA2008, 2009, 2010, 2011, 2012, 2013
GMC CANYON2008, 2009, 2010, 2011, 2012
GMC ENVOY2008, 2009
GMC SAVANA2008, 2009, 2010, 2011, 2012, 2013
GMC SIERRA 15002008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002008, 2009, 2010, 2011, 2012, 2013 (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 TERRAIN2010, 2011, 2012, 2013
GMC TOPKICK2010
GMC YUKON2008, 2009, 2010, 2011, 2012, 2013
GMC YUKON DENALI2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2008, 2009, 2010, 2011
GMC YUKON XL2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
HUMMER H22008, 2009, 2010
HUMMER H32008, 2009, 2010
PONTIAC G32008, 2009, 2010
PONTIAC G52008, 2009, 2010
PONTIAC G62008, 2009, 2010
PONTIAC G82008, 2009, 2010
PONTIAC GRAND PRIX2008
PONTIAC MONTANA2008 to 2009
PONTIAC PURSUIT2008 to 2009
PONTIAC SOLSTICE2008, 2009, 2010
PONTIAC TORRENT2008, 2009
PONTIAC VIBE2008, 2009, 2010
SAAB 9-52010
SATURN ASTRA2008, 2009
SATURN ASTRA2010
SATURN AURA2008, 2009, 2010
SATURN OUTLOOK2008, 2009, 2010
SATURN RELAY2008
SATURN SKY2008, 2009, 2010
SATURN VUE2008, 2009, 2010

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
13V4630002013-09-26. EQUIPMENT:OTHER:LABELS
12V1690002012-04-17. EQUIPMENT ADAPTIVE/MOBILITY
10V4140002010-09-13. EQUIPMENT
20101892010-06-07. Accessories
10V2050002010-05-13. EQUIPMENT ADAPTIVE/MOBILITY
20101402010-04-29. Accessories

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.
PI0476A2024-05-06. Service bulletin. Revised Installation Instructions for Accessory Windbreak.
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.