TSB: BUICK 9-3, 9-5, ACADIA, ATS, AVALANCHE, AVEO, CAMARO, CAPTIVA, CAPTIVA SPORT, CORVETTE, CRUZE, CTS, CTS-V, DTS, ELR, ENCLAVE, ENCORE, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G3, G8, H2, IMPALA, LACROSSE, LUCERNE, MALIBU, MONTE CARLO, OUTLOOK, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SPARK EV, SRX, SUBURBAN, TAHOE, TERRAIN, TORRENT, TRAVERSE, TRAX, VERANO, VIBE, VOLT, VUE, XTS, YUKON, YUKON XL (2006–2016)

Bulletin 20NA026 — July 22, 2020

Bulletin Details

Bulletin ID20NA026
ManufacturerBUICK
Models9-3, 9-5, ACADIA, ATS, AVALANCHE, AVEO, CAMARO, CAPTIVA, CAPTIVA SPORT, CORVETTE, CRUZE, CTS, CTS-V, DTS, ELR, ENCLAVE, ENCORE, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G3, G8, H2, IMPALA, LACROSSE, LUCERNE, MALIBU, MONTE CARLO, OUTLOOK, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SPARK EV, SRX, SUBURBAN, TAHOE, TERRAIN, TORRENT, TRAVERSE, TRAX, VERANO, VIBE, VOLT, VUE, XTS, YUKON, YUKON XL
Model Years2006–2016
Date IssuedJuly 22, 2020
Date Added to NHTSAAugust 31, 2020
ComponentEQUIPMENT:ELECTRICAL
Vehicles Affected262 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

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.

Affected Vehicles

MakeModelYearComponent
CHEVROLET SILVERADO 2500 2016 353000 EQUIPMENT:ELECTRICAL
GMC ACADIA 2015 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAMARO 2015 353000 EQUIPMENT:ELECTRICAL
BUICK ENCLAVE 2015 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2015 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2015 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EXPRESS 2015 353000 EQUIPMENT:ELECTRICAL
CHEVROLET IMPALA 2015 353000 EQUIPMENT:ELECTRICAL
GMC SAVANA 2015 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2015 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 3500 2015 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA DENALI 2015 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2015 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 3500 2015 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SPARK EV 2015 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2015 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2015 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAVERSE 2015 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2015 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2015 353000 EQUIPMENT:ELECTRICAL
GMC ACADIA 2014 353000 EQUIPMENT:ELECTRICAL
CADILLAC ATS 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAMARO 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAPTIVA 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CORVETTE 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CRUZE 2014 353000 EQUIPMENT:ELECTRICAL
CADILLAC CTS 2014 353000 EQUIPMENT:ELECTRICAL
CADILLAC CTS-V 2014 353000 EQUIPMENT:ELECTRICAL
CADILLAC ELR 2014 353000 EQUIPMENT:ELECTRICAL
BUICK ENCLAVE 2014 353000 EQUIPMENT:ELECTRICAL
BUICK ENCORE 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EQUINOX 2014 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2014 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EXPRESS 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET IMPALA 2014 353000 EQUIPMENT:ELECTRICAL
BUICK LACROSSE 2014 353000 EQUIPMENT:ELECTRICAL
BUICK REGAL 2014 353000 EQUIPMENT:ELECTRICAL
GMC SAVANA 2014 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 1500 2014 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2014 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 3500 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 3500 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SONIC 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SPARK 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SPARK EV 2014 353000 EQUIPMENT:ELECTRICAL
CADILLAC SRX 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2014 353000 EQUIPMENT:ELECTRICAL
GMC TERRAIN 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAVERSE 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAX 2014 353000 EQUIPMENT:ELECTRICAL
BUICK VERANO 2014 353000 EQUIPMENT:ELECTRICAL
CHEVROLET VOLT 2014 353000 EQUIPMENT:ELECTRICAL
CADILLAC XTS 2014 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2014 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2014 353000 EQUIPMENT:ELECTRICAL
GMC ACADIA 2013 353000 EQUIPMENT:ELECTRICAL
CADILLAC ATS 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET AVALANCHE 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAMARO 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAPTIVA 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CRUZE 2013 353000 EQUIPMENT:ELECTRICAL
CADILLAC CTS 2013 353000 EQUIPMENT:ELECTRICAL
BUICK ENCLAVE 2013 353000 EQUIPMENT:ELECTRICAL
BUICK ENCORE 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EQUINOX 2013 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2013 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2013 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE EXT 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EXPRESS 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET IMPALA 2013 353000 EQUIPMENT:ELECTRICAL
BUICK LACROSSE 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET MALIBU 2013 353000 EQUIPMENT:ELECTRICAL
BUICK REGAL 2013 353000 EQUIPMENT:ELECTRICAL
GMC SAVANA 2013 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2013 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA DENALI 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SONIC 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SPARK 2013 353000 EQUIPMENT:ELECTRICAL
CADILLAC SRX 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2013 353000 EQUIPMENT:ELECTRICAL
GMC TERRAIN 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAVERSE 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAX 2013 353000 EQUIPMENT:ELECTRICAL
BUICK VERANO 2013 353000 EQUIPMENT:ELECTRICAL
CHEVROLET VOLT 2013 353000 EQUIPMENT:ELECTRICAL
CADILLAC XTS 2013 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2013 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2013 353000 EQUIPMENT:ELECTRICAL
GMC ACADIA 2012 353000 EQUIPMENT:ELECTRICAL
CHEVROLET AVALANCHE 2012 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAMARO 2012 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAPTIVA SPORT 2012 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CRUZE 2012 353000 EQUIPMENT:ELECTRICAL
CADILLAC CTS 2012 353000 EQUIPMENT:ELECTRICAL
BUICK ENCLAVE 2012 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EQUINOX 2012 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2012 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2012 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE EXT 2012 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EXPRESS 2012 353000 EQUIPMENT:ELECTRICAL
CHEVROLET IMPALA 2012 353000 EQUIPMENT:ELECTRICAL
BUICK LACROSSE 2012 353000 EQUIPMENT:ELECTRICAL
BUICK REGAL 2012 353000 EQUIPMENT:ELECTRICAL
GMC SAVANA 2012 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2012 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA DENALI 2012 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2012 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2012 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SONIC 2012 353000 EQUIPMENT:ELECTRICAL
CADILLAC SRX 2012 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2012 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2012 353000 EQUIPMENT:ELECTRICAL
GMC TERRAIN 2012 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAVERSE 2012 353000 EQUIPMENT:ELECTRICAL
BUICK VERANO 2012 353000 EQUIPMENT:ELECTRICAL
CHEVROLET VOLT 2012 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2012 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2012 353000 EQUIPMENT:ELECTRICAL
SAAB 9-3 2011 353000 EQUIPMENT:ELECTRICAL
GMC ACADIA 2011 353000 EQUIPMENT:ELECTRICAL
CHEVROLET AVALANCHE 2011 353000 EQUIPMENT:ELECTRICAL
CHEVROLET AVEO 2011 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAMARO 2011 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CRUZE 2011 353000 EQUIPMENT:ELECTRICAL
CADILLAC CTS 2011 353000 EQUIPMENT:ELECTRICAL
CADILLAC DTS 2011 353000 EQUIPMENT:ELECTRICAL
BUICK ENCLAVE 2011 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EQUINOX 2011 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2011 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2011 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE EXT 2011 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EXPRESS 2011 353000 EQUIPMENT:ELECTRICAL
BUICK LACROSSE 2011 353000 EQUIPMENT:ELECTRICAL
BUICK LUCERNE 2011 353000 EQUIPMENT:ELECTRICAL
BUICK REGAL 2011 353000 EQUIPMENT:ELECTRICAL
GMC SAVANA 2011 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2011 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA DENALI 2011 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2011 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2011 353000 EQUIPMENT:ELECTRICAL
CADILLAC SRX 2011 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2011 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2011 353000 EQUIPMENT:ELECTRICAL
GMC TERRAIN 2011 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAVERSE 2011 353000 EQUIPMENT:ELECTRICAL
CHEVROLET VOLT 2011 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2011 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2011 353000 EQUIPMENT:ELECTRICAL
GMC ACADIA 2010 353000 EQUIPMENT:ELECTRICAL
CHEVROLET AVALANCHE 2010 353000 EQUIPMENT:ELECTRICAL
CHEVROLET AVEO 2010 353000 EQUIPMENT:ELECTRICAL
CHEVROLET CAMARO 2010 353000 EQUIPMENT:ELECTRICAL
CADILLAC CTS 2010 353000 EQUIPMENT:ELECTRICAL
CADILLAC DTS 2010 353000 EQUIPMENT:ELECTRICAL
BUICK ENCLAVE 2010 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EQUINOX 2010 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2010 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2010 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE EXT 2010 353000 EQUIPMENT:ELECTRICAL
PONTIAC G3 2010 353000 EQUIPMENT:ELECTRICAL
CHEVROLET IMPALA 2010 353000 EQUIPMENT:ELECTRICAL
BUICK LACROSSE 2010 353000 EQUIPMENT:ELECTRICAL
BUICK LUCERNE 2010 353000 EQUIPMENT:ELECTRICAL
SATURN OUTLOOK 2010 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2010 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA DENALI 2010 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2010 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2010 353000 EQUIPMENT:ELECTRICAL
CADILLAC SRX 2010 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2010 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2010 353000 EQUIPMENT:ELECTRICAL
GMC TERRAIN 2010 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAVERSE 2010 353000 EQUIPMENT:ELECTRICAL
PONTIAC VIBE 2010 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2010 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2010 353000 EQUIPMENT:ELECTRICAL
SAAB 9-3 2009 353000 EQUIPMENT:ELECTRICAL
GMC ACADIA 2009 353000 EQUIPMENT:ELECTRICAL
CHEVROLET AVALANCHE 2009 353000 EQUIPMENT:ELECTRICAL
CHEVROLET AVEO 2009 353000 EQUIPMENT:ELECTRICAL
CADILLAC CTS 2009 353000 EQUIPMENT:ELECTRICAL
CADILLAC DTS 2009 353000 EQUIPMENT:ELECTRICAL
BUICK ENCLAVE 2009 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EQUINOX 2009 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2009 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2009 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE EXT 2009 353000 EQUIPMENT:ELECTRICAL
PONTIAC G3 2009 353000 EQUIPMENT:ELECTRICAL
PONTIAC G8 2009 353000 EQUIPMENT:ELECTRICAL
HUMMER H2 2009 353000 EQUIPMENT:ELECTRICAL
CHEVROLET IMPALA 2009 353000 EQUIPMENT:ELECTRICAL
BUICK LUCERNE 2009 353000 EQUIPMENT:ELECTRICAL
SATURN OUTLOOK 2009 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2009 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA DENALI 2009 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2009 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2009 353000 EQUIPMENT:ELECTRICAL
CADILLAC SRX 2009 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2009 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2009 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TRAVERSE 2009 353000 EQUIPMENT:ELECTRICAL
PONTIAC VIBE 2009 353000 EQUIPMENT:ELECTRICAL
SATURN VUE 2009 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2009 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2009 353000 EQUIPMENT:ELECTRICAL
SAAB 9-5 2008 353000 EQUIPMENT:ELECTRICAL
GMC ACADIA 2008 353000 EQUIPMENT:ELECTRICAL
CHEVROLET AVALANCHE 2008 353000 EQUIPMENT:ELECTRICAL
CADILLAC CTS 2008 353000 EQUIPMENT:ELECTRICAL
CADILLAC DTS 2008 353000 EQUIPMENT:ELECTRICAL
BUICK ENCLAVE 2008 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EQUINOX 2008 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2008 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2008 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE EXT 2008 353000 EQUIPMENT:ELECTRICAL
PONTIAC G8 2008 353000 EQUIPMENT:ELECTRICAL
HUMMER H2 2008 353000 EQUIPMENT:ELECTRICAL
CHEVROLET IMPALA 2008 353000 EQUIPMENT:ELECTRICAL
BUICK LUCERNE 2008 353000 EQUIPMENT:ELECTRICAL
SATURN OUTLOOK 2008 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2008 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA DENALI 2008 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2008 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2008 353000 EQUIPMENT:ELECTRICAL
CADILLAC SRX 2008 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2008 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2008 353000 EQUIPMENT:ELECTRICAL
PONTIAC TORRENT 2008 353000 EQUIPMENT:ELECTRICAL
SATURN VUE 2008 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2008 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2008 353000 EQUIPMENT:ELECTRICAL
GMC ACADIA 2007 353000 EQUIPMENT:ELECTRICAL
CHEVROLET AVALANCHE 2007 353000 EQUIPMENT:ELECTRICAL
CADILLAC DTS 2007 353000 EQUIPMENT:ELECTRICAL
CHEVROLET EQUINOX 2007 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE 2007 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE ESV 2007 353000 EQUIPMENT:ELECTRICAL
CADILLAC ESCALADE EXT 2007 353000 EQUIPMENT:ELECTRICAL
CHEVROLET IMPALA 2007 353000 EQUIPMENT:ELECTRICAL
BUICK LUCERNE 2007 353000 EQUIPMENT:ELECTRICAL
CHEVROLET MONTE CARLO 2007 353000 EQUIPMENT:ELECTRICAL
SATURN OUTLOOK 2007 353000 EQUIPMENT:ELECTRICAL
GMC SIERRA 2500 2007 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 1500 2007 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SILVERADO 2500 2007 353000 EQUIPMENT:ELECTRICAL
CADILLAC SRX 2007 353000 EQUIPMENT:ELECTRICAL
CHEVROLET SUBURBAN 2007 353000 EQUIPMENT:ELECTRICAL
CHEVROLET TAHOE 2007 353000 EQUIPMENT:ELECTRICAL
PONTIAC TORRENT 2007 353000 EQUIPMENT:ELECTRICAL
GMC YUKON 2007 353000 EQUIPMENT:ELECTRICAL
GMC YUKON XL 2007 353000 EQUIPMENT:ELECTRICAL
CADILLAC DTS 2006 353000 EQUIPMENT:ELECTRICAL
CHEVROLET IMPALA 2006 353000 EQUIPMENT:ELECTRICAL
BUICK LUCERNE 2006 353000 EQUIPMENT:ELECTRICAL
CHEVROLET MONTE CARLO 2006 353000 EQUIPMENT:ELECTRICAL

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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized BUICK dealer. Bring this bulletin ID (20NA026) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.