# Service bulletin 15NA010 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: 10171875 - Published by NHTSA: 2020\-03\-02 - Manufacturer's number: 15NA010 - Manufacturer's date: 2020\-01\-23 - NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL ## NHTSA's summary This informational 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. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171875-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171875-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Engine, Exhaust and emissions ## Vehicles listed - 2016 to 2019 BUICK CASCADA - 2015 to 2020 BUICK ENCLAVE - 2015 to 2020 BUICK ENCORE - 2016 to 2020 BUICK ENVISION - 2015 to 2019 BUICK LACROSSE - 2015 to 2020 BUICK REGAL - 2015 to 2017 BUICK VERANO - 2015 to 2019 CADILLAC ATS - 2020 CADILLAC CT4 - 2020 CADILLAC CT5 - 2016 to 2020 CADILLAC CT6 - 2015 to 2019 CADILLAC CTS - 2015 to 2017 CADILLAC ELR - 2015 to 2020 CADILLAC ESCALADE - 2015 to 2016 CADILLAC ESCALADE ESV - 2017 to 2020 CADILLAC ESCALADE ESV - 2015 to 2016 CADILLAC SRX - 2019 to 2020 CADILLAC XT4 - 2017 to 2020 CADILLAC XT5 - 2020 CADILLAC XT6 - 2015 to 2019 CADILLAC XTS - 2016 CHEVROLET 3500 - 2018 to 2019 CHEVROLET 3500 - 2020 CHEVROLET 3500 - 2018 to 2020 CHEVROLET 4500HD - 2018 to 2020 CHEVROLET 5500HD - 2019 CHEVROLET 6500 - 2019 to 2020 CHEVROLET BLAZER - 2015 to 2020 CHEVROLET CAMARO - 2015 to 2017 CHEVROLET CAPRICE - 2015 CHEVROLET CAPTIVA - 2015 to 2017 CHEVROLET CHEVEROLET SS - 2015 to 2016 CHEVROLET CITY EXPRESS - 2015 to 2020 CHEVROLET COLORADO - 2015 to 2020 CHEVROLET CORVETTE - 2015 to 2019 CHEVROLET CRUZE - 2015 to 2020 CHEVROLET EQUINOX - 2015 to 2020 CHEVROLET EXPRESS - 2015 to 2020 CHEVROLET IMPALA - 2017 CHEVROLET LOW CAB FORWARD 4500 - 2017 CHEVROLET LOW CAB FORWARD 5500 - 2018 CHEVROLET LOW CAB FORWARD 6500 - 2015 to 2020 CHEVROLET MALIBU - 2018 CHEVROLET N300 - 2017 CHEVROLET N300 MAX - 2017 CHEVROLET SILVERADO - 2018 to 2020 CHEVROLET SILVERADO 1500 - 2015 to 2016 CHEVROLET SILVERADO 2500 - 2018 to 2020 CHEVROLET SILVERADO 2500 - 2017 to 2020 CHEVROLET SILVERADO 3500 - 2019 to 2020 CHEVROLET SILVERADO 4500 - 2020 CHEVROLET SILVERADO 5500 - 2019 CHEVROLET SILVERADO 6500 - 2015 to 2020 CHEVROLET SONIC - 2015 CHEVROLET SPARK - 2018 to 2020 CHEVROLET SPARK - 2016 to 2017 CHEVROLET SPARK EV - 2015 to 2020 CHEVROLET SUBURBAN - 2015 to 2020 CHEVROLET TAHOE - 2015 to 2020 CHEVROLET TRAVERSE - 2015 to 2020 CHEVROLET TRAX - 2015 to 2019 CHEVROLET VOLT - 2019 CHEVROLET duplicate SILVERADO 5500 - 2015 to 2020 GMC ACADIA - 2015 to 2020 GMC CANYON - 2015 to 2020 GMC SAVANA - 2017 GMC SIERRA - 2015 to 2020 GMC SIERRA 1500 - 2015 to 2020 GMC SIERRA 2500 - 2015 to 2020 GMC SIERRA 3500 - 2015 to 2019 GMC SIERRA DENALI - 2015 to 2020 GMC TERRAIN - 2015 to 2020 GMC YUKON - 2015 to 2020 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 - [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 - [19V328000](/recalls/nhtsa/19V328000.md), 2019-04-25: ENGINE - [2014577](/recalls/tc/2014577.md), 2014-12-18: 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. - [22\-NA\-007](/bulletins/11025552.md), 2025-11-15, Service bulletin: ENGINE; ELECTRICAL SYSTEM. This service bulletin provides procedures to correct customer concerns of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler \(CAC\) Icing \- Malfunction Indicator Lamp \(MIL\) Illuminated with DTCs P0299, P0234, P0236, P2227, P00C7 Set. - [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. JSON: [/v1/bulletins/10171875](/v1/bulletins/10171875) [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%2015NA010&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10171875&vehicle=Service%20bulletin%2015NA010)