TSB: BUICK ACADIA, ATS, AVALANCHE, CAMARO, CANYON, CAPRICE, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G8, GRAND PRIX, H2, H3, IMPALA, LACROSSE, LUCERNE, MALIBU, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK EV, SRX, SS, STS, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2005–2016)

Bulletin 09-06-04-026K — July 28, 2015

Bulletin Details

Bulletin ID09-06-04-026K
ManufacturerBUICK
ModelsACADIA, ATS, AVALANCHE, CAMARO, CANYON, CAPRICE, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G8, GRAND PRIX, H2, H3, IMPALA, LACROSSE, LUCERNE, MALIBU, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK EV, SRX, SS, STS, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL
Model Years2005–2016
Date IssuedJuly 28, 2015
Date Added to NHTSAMay 21, 2018
ComponentENGINE AND ENGINE COOLING:ENGINE:GASOLINE
Vehicles Affected220 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 informational bulletin supplies infomation for identifying non-GM (Aftermarket) engine calibrations for gasoline engines using Tech 2? or GDS 2 (U.S. and Canada).

Affected Vehicles

MakeModelYearComponent
GMC ACADIA 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ATS 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CAMARO 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC CANYON 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CAPRICE 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
BUICK CASCADA 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CITY EXPRESS 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET COLORADO 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CRUZE 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC CT6 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC CTS 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ELR 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
BUICK ENCLAVE 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
BUICK ENCORE 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
BUICK ENVISION 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET EQUINOX 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE ESV 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET EXPRESS 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET IMPALA 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
BUICK LACROSSE 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET MALIBU 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
BUICK REGAL 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SAVANA 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA 2500 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA DENALI 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 2500 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SONIC 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SPARK EV 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC SRX 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SS 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SUBURBAN 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET TAHOE 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC TERRAIN 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET TRAVERSE 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET TRAX 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
BUICK VERANO 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET VOLT 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC XTS 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON XL 2016 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CAMARO 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CAPRICE 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CORVETTE 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC CTS 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE ESV 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET EXPRESS 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SAVANA 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA 2500 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA DENALI 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 2500 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SS 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SUBURBAN 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET TAHOE 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON XL 2015 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CAMARO 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CAPRICE 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CORVETTE 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC CTS 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE ESV 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET EXPRESS 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SAVANA 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA 1500 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA 2500 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 1500 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 2500 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SS 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SUBURBAN 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET TAHOE 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON XL 2014 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET AVALANCHE 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CAMARO 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CAPRICE 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CORVETTE 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC CTS 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE ESV 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE EXT 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET EXPRESS 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SAVANA 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA 2500 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA DENALI 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 2500 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 3500 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SUBURBAN 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET TAHOE 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON DENALI 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON XL 2013 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET AVALANCHE 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CAMARO 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CAPRICE 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CORVETTE 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC CTS 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE ESV 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE EXT 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET EXPRESS 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SAVANA 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA 2500 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA DENALI 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 2500 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SUBURBAN 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET TAHOE 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON DENALI 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON DENALI XL 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON XL 2012 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET AVALANCHE 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CAPRICE 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CORVETTE 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC DTS 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE ESV 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE EXT 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET EXPRESS 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SAVANA 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA 2500 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA DENALI 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 1500 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 2500 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SUBURBAN 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET TAHOE 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON DENALI 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON DENALI XL 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON XL 2011 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET AVALANCHE 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CORVETTE 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC CTS 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC DTS 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE ESV 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE EXT 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
HUMMER H3 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SAVANA 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA 2500 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA DENALI 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 1500 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 2500 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC STS 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SUBURBAN 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET TAHOE 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON DENALI 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON DENALI XL 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON XL 2010 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET AVALANCHE 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CORVETTE 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC CTS 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC DTS 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE ESV 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE EXT 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
HUMMER H2 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
HUMMER H3 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SAVANA 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA 2500 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA DENALI 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 1500 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 2500 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC STS 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SUBURBAN 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET TAHOE 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON DENALI 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON DENALI XL 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON XL 2009 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET AVALANCHE 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CORVETTE 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC DTS 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE ESV 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE EXT 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
PONTIAC G8 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
PONTIAC GRAND PRIX 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
HUMMER H2 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
HUMMER H3 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
BUICK LUCERNE 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SAVANA 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA 2500 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA DENALI 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 1500 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 2500 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC STS 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SUBURBAN 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET TAHOE 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON DENALI 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON DENALI XL 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON XL 2008 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET AVALANCHE 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CORVETTE 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC CTS 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC DTS 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE ESV 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC ESCALADE EXT 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
PONTIAC GRAND PRIX 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
HUMMER H2 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
HUMMER H3 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
BUICK LUCERNE 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SAVANA 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA 2500 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC SIERRA DENALI 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 1500 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SILVERADO 2500 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CADILLAC STS 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET SUBURBAN 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET TAHOE 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON DENALI 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON DENALI XL 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
GMC YUKON XL 2007 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CORVETTE 2006 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
CHEVROLET CORVETTE 2005 061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

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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 (09-06-04-026K) 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.