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Service bulletin SB-PI-1533B

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 id10078425
Published by NHTSA2016-08-06
Manufacturer's numberSB-PI-1533B
Manufacturer's date2016-04-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION ON POOR RADIO HANDS-FREE VOICE RECOGNITION PERFORMANCE OR SOUND QUALITY AFTER THE ONSTAR UPGRADE.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system

Vehicles listed
BUICK ENCLAVE2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
BUICK VERANO2012
CADILLAC CTS2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
CADILLAC DTS2006, 2007, 2008, 2009, 2010, 2011
CADILLAC ESCALADE2007, 2008, 2009, 2010, 2011, 2012, 2013
CADILLAC SRX2007, 2008, 2009
CHEVROLET AVALANCHE2007, 2008, 2009, 2010, 2011
CHEVROLET AVALANCHE 15002007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 15002007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2007, 2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET TAHOE2007, 2008, 2009, 2010, 2011, 2012, 2013
GMC ACADIA2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
GMC SIERRA 15002007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2007, 2008, 2009, 2010, 2011, 2012, 2013

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

Recalls for the same vehicles and component
20184812018-09-07. Electrical
20165972016-11-29. Electrical
20150022014-12-30. Electrical
14V8270002014-12-30. ELECTRICAL SYSTEM:IGNITION
20144322014-10-03. Electrical
14V6140002014-10-01. ELECTRICAL SYSTEM
20142772014-07-03. Electrical
20142732014-07-02. Electrical
14V4070002014-07-02. ELECTRICAL SYSTEM
14V3940002014-07-02. ELECTRICAL SYSTEM:IGNITION

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
25-NA-0872025-05-02. Service bulletin. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
23-NA-0012025-04-28. Service bulletin. This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
13-08-116-001K2025-04-25. Service bulletin. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
24-NA-0982025-04-24. Service bulletin. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
15-06-03-001F2025-04-15. Service bulletin. This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
09-06-04-026Z2025-01-23. Service bulletin. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
20-NA-1322025-01-18. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT5962B2024-12-12. Service bulletin. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
20-NA-1322024-11-09. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.