# Service bulletin 19NA212 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: 10166635 - Published by NHTSA: 2019\-10\-28 - Manufacturer's number: 19NA212 - Manufacturer's date: 2019\-09\-16 - NHTSA component: ENGINE AND ENGINE COOLING ## NHTSA's summary This diagnostic tip provides information to the tech to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10166635-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10166635-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Engine ## Vehicles listed - 2015 to 2018 CADILLAC ESCALADE - 2015 to 2016 CADILLAC ESCALADE ESV - 2017 to 2018 CADILLAC ESCALADE ESV - 2016 CHEVROLET 3500 - 2018 CHEVROLET 3500 - 2010 to 2012 CHEVROLET CAMARO - 2014 to 2018 CHEVROLET CAMARO - 2013 CHEVROLET CAPRICE - 2014 to 2017 CHEVROLET CHEVEROLET SS - 2009 to 2018 CHEVROLET CORVETTE - 2009 to 2018 CHEVROLET EXPRESS - 2017 CHEVROLET LOW CAB FORWARD 4500 - 2017 CHEVROLET LOW CAB FORWARD 5500 - 2018 CHEVROLET LOW CAB FORWARD 6500 - 2017 CHEVROLET SILVERADO - 2009 to 2011 CHEVROLET SILVERADO 1500 - 2014 CHEVROLET SILVERADO 1500 - 2019 CHEVROLET SILVERADO 1500 - 2009 to 2016 CHEVROLET SILVERADO 2500 - 2018 to 2019 CHEVROLET SILVERADO 2500 - 2013 CHEVROLET SILVERADO 3500 - 2017 CHEVROLET SILVERADO 3500 - 2019 CHEVROLET SILVERADO 4500 - 2009 to 2018 CHEVROLET SUBURBAN - 2009 to 2018 CHEVROLET TAHOE - 2009 to 2018 GMC SAVANA - 2017 GMC SIERRA - 2014 GMC SIERRA 1500 - 2019 GMC SIERRA 1500 - 2009 to 2016 GMC SIERRA 2500 - 2018 to 2019 GMC SIERRA 2500 - 2009 to 2013 GMC SIERRA DENALI - 2015 to 2016 GMC SIERRA DENALI - 2018 to 2019 GMC SIERRA DENALI - 2009 to 2018 GMC YUKON - 2009 to 2013 GMC YUKON DENALI - 2009 to 2013 GMC YUKON DENALI XL - 2009 to 2011 GMC YUKON XL - 2012 to 2014 GMC YUKON XL - 2015 to 2018 GMC YUKON XL ## Recalls for the same vehicles and component - [21V346000](/recalls/nhtsa/21V346000.md), 2021-05-13: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE - [19V328000](/recalls/nhtsa/19V328000.md), 2019-04-25: ENGINE - [16V868000](/recalls/nhtsa/16V868000.md), 2016-12-02: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN - [2014577](/recalls/tc/2014577.md), 2014-12-18: Engine - [2014005](/recalls/tc/2014005.md), 2014-01-13: Engine - [14V007000](/recalls/nhtsa/14V007000.md), 2014-01-13: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM ## 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/10166635](/v1/bulletins/10166635) [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%2019NA212&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10166635&vehicle=Service%20bulletin%2019NA212)