# Service bulletin 090604026Q 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. - Type: Service bulletin - NHTSA id: 10163266 - Published by NHTSA: 2019\-07\-29 - Manufacturer's number: 090604026Q - Manufacturer's date: 2019\-06\-25 - NHTSA component: ENGINE; EQUIPMENT ## NHTSA's summary This informational bulletin provides information on identifying Non\-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10163266-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10163266-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Engine, Equipment and accessories ## Vehicles listed - 2016 to 2017 BUICK CASCADA - 2019 BUICK CASCADA - 2012 to 2019 BUICK ENCLAVE - 2013 BUICK ENCORE - 2018 to 2019 BUICK ENCORE - 2017 to 2019 BUICK ENVISION - 2012 to 2019 BUICK LACROSSE - 2007 to 2008 BUICK LUCERNE - 2012 BUICK LUCERNE - 2012 to 2019 BUICK REGAL - 2012 BUICK VERANO - 2013 to 2019 CADILLAC ATS - 2016 CADILLAC CT6 - 2019 CADILLAC CT6 - 2017 to 2018 CADILLAC CT6 PLUG\-IN HYBRID - 2007 CADILLAC CTS - 2009 to 2010 CADILLAC CTS - 2012 to 2019 CADILLAC CTS - 2007 to 2010 CADILLAC DTS - 2007 to 2010 CADILLAC ESCALADE - 2012 to 2019 CADILLAC ESCALADE - 2007 to 2010 CADILLAC ESCALADE ESV - 2012 to 2016 CADILLAC ESCALADE ESV - 2017 to 2019 CADILLAC ESCALADE ESV - 2007 to 2010 CADILLAC ESCALADE EXT - 2012 to 2013 CADILLAC ESCALADE EXT - 2012 to 2016 CADILLAC SRX - 2007 to 2010 CADILLAC STS - 2019 CADILLAC XT4 - 2017 to 2019 CADILLAC XT5 - 2013 to 2019 CADILLAC XTS - 2007 to 2010 CHEVROLET AVALANCHE - 2012 to 2013 CHEVROLET AVALANCHE - 2019 CHEVROLET BLAZER - 2012 to 2019 CHEVROLET CAMARO - 2012 to 2017 CHEVROLET CAPRICE POLICE PURSUIT - 2014 to 2017 CHEVROLET CHEVEROLET SS - 2015 to 2016 CHEVROLET CITY EXPRESS - 2012 CHEVROLET COLORADO - 2015 to 2019 CHEVROLET COLORADO - 2005 to 2010 CHEVROLET CORVETTE - 2012 to 2019 CHEVROLET CORVETTE - 2013 CHEVROLET CRUZE - 2012 to 2019 CHEVROLET EQUINOX - 2011 to 2019 CHEVROLET EXPRESS - 2012 to 2019 CHEVROLET IMPALA - 2012 to 2019 CHEVROLET MALIBU - 2017 CHEVROLET N300 MAX - 2018 CHEVROLET S10 - 2007 to 2011 CHEVROLET SILVERADO 1500 - 2014 CHEVROLET SILVERADO 1500 - 2019 CHEVROLET SILVERADO 1500 - 2014 CHEVROLET SILVERADO 2500 - 2019 CHEVROLET SILVERADO 2500 - 2014 CHEVROLET SILVERADO 3500 - 2019 CHEVROLET SILVERADO 3500 - 2018 CHEVROLET SPARK - 2007 to 2010 CHEVROLET SUBURBAN - 2012 to 2019 CHEVROLET SUBURBAN - 2007 to 2010 CHEVROLET TAHOE - 2012 to 2019 CHEVROLET TAHOE - 2018 to 2019 CHEVROLET TRAILBLAZER - 2012 to 2019 CHEVROLET TRAVERSE - 2018 CHEVROLET TRAX - 2012 to 2019 GMC ACADIA - 2012 GMC CANYON - 2015 to 2019 GMC CANYON - 2007 to 2010 GMC SAVANA - 2012 to 2019 GMC SAVANA - 2006 to 2019 GMC SIERRA 1500 - 2014 GMC SIERRA 2500 - 2019 GMC SIERRA 2500 - 2014 GMC SIERRA 3500 - 2019 GMC SIERRA 3500 - 2007 to 2013 GMC SIERRA DENALI - 2015 to 2016 GMC SIERRA DENALI - 2018 to 2019 GMC SIERRA DENALI - 2012 to 2019 GMC TERRAIN - 2007 to 2010 GMC YUKON - 2012 to 2019 GMC YUKON - 2007 to 2010 GMC YUKON DENALI - 2012 to 2013 GMC YUKON DENALI - 2007 to 2010 GMC YUKON DENALI XL - 2012 to 2013 GMC YUKON DENALI XL - 2007 to 2010 GMC YUKON XL - 2012 to 2014 GMC YUKON XL - 2015 to 2019 GMC YUKON XL - 2007 to 2009 HUMMER H2 - 2007 to 2010 HUMMER H3 - 2008 PONTIAC G8 - 2007 to 2008 PONTIAC GRAND PRIX ## Recalls for the same vehicles and component - [2022160](/recalls/tc/2022160.md), 2022-03-31: Accessories - [21V496000](/recalls/nhtsa/21V496000.md), 2021-07-01: EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER - [21V346000](/recalls/nhtsa/21V346000.md), 2021-05-13: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE - [2020165](/recalls/tc/2020165.md), 2020-04-16: Accessories - [2019494](/recalls/tc/2019494.md), 2019-10-03: Accessories - [2019449](/recalls/tc/2019449.md), 2019-09-06: Engine - [19V642000](/recalls/nhtsa/19V642000.md), 2019-09-06: ENGINE; ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS - [19V428000](/recalls/nhtsa/19V428000.md), 2019-06-11: EQUIPMENT - [2019205](/recalls/tc/2019205.md), 2019-04-26: Accessories - [19V328000](/recalls/nhtsa/19V328000.md), 2019-04-25: ENGINE ## Other bulletins for the same vehicles and component - [N262576260](/bulletins/11038468.md), 2026-10-15, Service campaign: ENGINE. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition that could cause a small exhaust leak at the catalytic converter inlet. Dealers are to replace the catalytic converter inlet clamp and to inspect the catalytic converter – replacing it if damage is observed. The repairs will be made at no charge to the customer. - [N262548050](/bulletins/11031551.md), 2026-04-24, Service bulletin: ENGINE. This message is to inform dealers that Special Coverage N262548050 is being temporarily suspended for the models above. Involved vehicles will be temporarily removed from IVH. Dealers will be notified when repairs can be resumed. We apologize for any inconvenience this situation may cause. - [N262548050](/bulletins/11031510.md), 2026-04-23, Service campaign: ENGINE. Certain vehicles, may have a condition that could cause the Catalytic Converter to fail. If this failure occurs, the Malfunction Indicator Light \(Check Engine Light\) will illuminate, and a diagnostic trouble code will set. Dealers are to replace the Catalytic Converter as necessary. The repairs will be made at no charge to the customer. - [00\-06\-01\-026R](/bulletins/11026017.md), 2025-12-03, Service bulletin: ENGINE. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. - [23\-NA\-170](/bulletins/11024486.md), 2025-10-25, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure. - [23\-NA\-153](/bulletins/11024485.md), 2025-10-25, Service bulletin: ENGINE. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay. - [24\-NA\-241](/bulletins/11024332.md), 2025-10-16, Service bulletin: ENGINE. This informational bulletin advises the technician of a part number change for long block engines used in the trucks noted. - [22\-NA\-080](/bulletins/11024330.md), 2025-10-16, Service bulletin: ENGINE. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. - [15\-NA\-010](/bulletins/11020254.md), 2025-07-07, Service bulletin: ENGINE. This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states. - [25\-NA\-037](/bulletins/11019748.md), 2025-06-26, Service bulletin: ENGINE. This bulletin advises the tech that the Exhaust Roller Follower may be the issue with the engine Ticking noise, misfire or rough run and what to replace if found the cause. JSON: [/v1/bulletins/10163266](/v1/bulletins/10163266) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20090604026Q&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10163266&vehicle=Service%20bulletin%20090604026Q)