# Service bulletin 21\-NA\-043 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: 10213036 - Published by NHTSA: 2022\-06\-02 - Manufacturer's number: 21\-NA\-043 - Manufacturer's date: 2022\-05\-16 - NHTSA component: FUEL SYSTEM, GASOLINE; SERVICE BRAKES; ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL; WHEELS ## NHTSA's summary This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213036-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213036-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Brakes, Engine, Fuel system, Wheels ## Vehicles listed - 2016 to 2019 BUICK CASCADA - 2011 to 2022 BUICK ENCLAVE - 2013 to 2022 BUICK ENCORE - 2020 to 2022 BUICK ENCORE GX - 2016 to 2022 BUICK ENVISION - 2011 to 2019 BUICK LACROSSE - 2020 BUICK LACROSSE - 2013 BUICK LESABRE - 2011 BUICK LUCERNE - 2012 BUICK LUCERNE - 2011 to 2020 BUICK REGAL - 2018 BUICK REGAL TOURX - 2012 to 2017 BUICK VERANO - 2013 to 2019 CADILLAC ATS - 2015 to 2018 CADILLAC ATS\-V - 2020 to 2022 CADILLAC CT4 - 2020 to 2022 CADILLAC CT5 - 2013 to 2015 CADILLAC CT6 - 2016 to 2020 CADILLAC CT6 - 2021 CADILLAC CT6 - 2011 to 2019 CADILLAC CTS - 2011 to 2012 CADILLAC CTS\-V - 2014 to 2016 CADILLAC CTS\-V - 2018 CADILLAC CTS\-V - 2011 CADILLAC DTS - 2012 CADILLAC DTS - 2014 to 2017 CADILLAC ELR - 2011 to 2022 CADILLAC ESCALADE - 2011 to 2016 CADILLAC ESCALADE ESV - 2017 to 2022 CADILLAC ESCALADE ESV - 2011 to 2014 CADILLAC ESCALADE EXT - 2011 CADILLAC ESCALADE EXT 1500 - 2011 to 2014 CADILLAC ESCALADE HYBRID - 2021 CADILLAC ESCALADE NA - 2011 to 2016 CADILLAC SRX - 2017 to 2019 CADILLAC SRX - 2011 CADILLAC STS - 2012 CADILLAC STS - 2019 to 2022 CADILLAC XT4 - 2013 to 2016 CADILLAC XT5 - 2017 to 2022 CADILLAC XT5 - 2020 to 2022 CADILLAC XT6 - 2013 to 2019 CADILLAC XTS - 2020 CADILLAC XTS - 2014 to 2015 CHEVROLET 3500 - 2016 CHEVROLET 3500 - 2017 to 2019 CHEVROLET 3500 - 2020 CHEVROLET 3500 - 2021 CHEVROLET 3500 - 2022 CHEVROLET 3500 - 2016 CHEVROLET 4500 - 2017 to 2019 CHEVROLET 4500 - 2020 CHEVROLET 4500 - 2022 CHEVROLET 4500 - 2017 to 2022 CHEVROLET 4500HD - 2017 to 2022 CHEVROLET 4500XD - 2017 to 2022 CHEVROLET 5500HD - 2018 to 2022 CHEVROLET 5500XD - 2019 CHEVROLET 6500 - 2022 CHEVROLET 6500HD - 2011 to 2013 CHEVROLET AVALANCHE - 2014 CHEVROLET AVALANCHE - 2011 to 2013 CHEVROLET AVALANCHE 1500 - 2013 CHEVROLET AVALANCHE 2500 - 2011 to 2018 CHEVROLET AVEO - 2019 to 2022 CHEVROLET BLAZER - 2022 CHEVROLET BOLT EUV - 2017 to 2022 CHEVROLET BOLT EV - 2018 CHEVROLET C3500 - 2011 to 2022 CHEVROLET CAMARO - 2011 to 2018 CHEVROLET CAPRICE - 2012 to 2017 CHEVROLET CAPRICE POLICE PURSUIT - 2011 to 2018 CHEVROLET CAPTIVA - 2011 to 2012 CHEVROLET CAPTIVA SPORT - 2014 to 2017 CHEVROLET CHEVEROLET SS - 2017 CHEVROLET CHEYENNE - 2015 to 2016 CHEVROLET CITY EXPRESS - 2018 CHEVROLET CITY EXPRESS - 2011 to 2017 CHEVROLET COBALT - 2011 to 2012 CHEVROLET COLORADO - 2013 to 2014 CHEVROLET COLORADO - 2015 to 2022 CHEVROLET COLORADO - 2011 to 2023 CHEVROLET CORVETTE - 2011 to 2019 CHEVROLET CRUZE - 2011 to 2022 CHEVROLET EQUINOX - 2011 to 2021 CHEVROLET EXPRESS - 2011 to 2012 CHEVROLET EXPRESS 1500 - 2014 CHEVROLET EXPRESS 1500 - 2011 CHEVROLET EXPRESS 2500 - 2014 CHEVROLET EXPRESS 2500 - 2012 CHEVROLET EXPRESS 3500 - 2014 CHEVROLET EXPRESS 3500 - 2012 CHEVROLET EXPRESS 4500 - 2014 CHEVROLET EXPRESS 4500 - 2016 CHEVROLET EXPRESS 4500 - 2013 CHEVROLET EXPRESS CUTAWAY - 2011 CHEVROLET G VAN BUS - 2018 CHEVROLET G4500 - 2011 CHEVROLET HHR - 2011 to 2020 CHEVROLET IMPALA - 2016 to 2019 CHEVROLET LOW CAB FORWARD 3500 - 2016 to 2017 CHEVROLET LOW CAB FORWARD 4500 - 2016 to 2017 CHEVROLET LOW CAB FORWARD 5500 - 2018 CHEVROLET LOW CAB FORWARD 6500 - 2014 CHEVROLET LUMINA - 2011 to 2022 CHEVROLET MALIBU - 2013 to 2014 CHEVROLET MALIBU ECO - 2016 to 2019 CHEVROLET MALIBU HYBRID - 2014 to 2016 CHEVROLET N300 - 2018 CHEVROLET N300 - 2017 CHEVROLET N300 MAX - 2016 CHEVROLET OPTRA - 2017 CHEVROLET ORLANDO - 2016 to 2018 CHEVROLET S10 - 2011 to 2022 CHEVROLET SILVERADO 1500 - 2011 to 2022 CHEVROLET SILVERADO 2500 - 2011 to 2022 CHEVROLET SILVERADO 3500 - 2019 to 2022 CHEVROLET SILVERADO 4500 - 2019 to 2021 CHEVROLET SILVERADO 5500 - 2019 CHEVROLET SILVERADO 6500 - 2021 to 2022 CHEVROLET SILVERADO 6500 - 2011 CHEVROLET SONIC - 2012 to 2020 CHEVROLET SONIC - 2013 to 2022 CHEVROLET SPARK - 2014 to 2017 CHEVROLET SPARK EV - 2018 CHEVROLET SS - 2011 to 2022 CHEVROLET SUBURBAN - 2011 CHEVROLET SUBURBAN 1500 - 2021 to 2022 CHEVROLET SUBURBAN 1500 - 2011 CHEVROLET SUBURBAN 2500 - 2011 to 2022 CHEVROLET TAHOE - 2011 to 2013 CHEVROLET TAHOE HYBRID - 2011 to 2016 CHEVROLET TAHOE POLICE PURSUIT - 2013 to 2014 CHEVROLET TRAILBLAZER - 2017 to 2020 CHEVROLET TRAILBLAZER - 2021 to 2022 CHEVROLET TRAILBLAZER - 2011 to 2022 CHEVROLET TRAVERSE - 2013 to 2022 CHEVROLET TRAX - 2011 to 2019 CHEVROLET VOLT - 2011 CHEVROLET W\-SERIES - 2019 CHEVROLET duplicate SILVERADO 5500 - 2011 to 2022 GMC ACADIA - 2022 GMC BRIGHTDROP EV600 - 2011 to 2013 GMC CANYON - 2015 to 2022 GMC CANYON - 2011 to 2015 GMC DENALI - 2011 to 2013 GMC ENVOY - 2011 GMC G VAN BUS - 2017 to 2018 GMC G3500 - 2022 GMC HUMMER EV PICKUP - 2011 to 2022 GMC SAVANA - 2011 to 2017 GMC SAVANA 1500 - 2011 to 2018 GMC SAVANA 2500 - 2011 to 2018 GMC SAVANA 3500 - 2018 GMC SAVANNA - 2011 to 2022 GMC SIERRA 1500 - 2011 to 2022 GMC SIERRA 2500 - 2011 to 2022 GMC SIERRA 3500 - 2011 to 2020 GMC SIERRA DENALI - 2011 to 2022 GMC TERRAIN - 2022 GMC TERRAIN NA - 2011 to 2013 GMC TOPKICK - 2011 GMC W\-SERIES - 2011 to 2022 GMC YUKON - 2011 to 2013 GMC YUKON DENALI - 2015 to 2019 GMC YUKON DENALI - 2011 to 2018 GMC YUKON DENALI XL - 2011 to 2013 GMC YUKON HYBRID - 2011 GMC YUKON XL - 2012 to 2014 GMC YUKON XL - 2015 to 2022 GMC YUKON XL - 2011 GMC YUKON XL 1500 - 2012 GMC YUKON XL 1500 - 2011 GMC YUKON XL 2500 - 2012 to 2013 GMC YUKON XL 2500 ## Recalls for the same vehicles and component - [25V768000](/recalls/nhtsa/25V768000.md), 2025-11-06: SERVICE BRAKES, HYDRAULIC:POWER ASSIST - [25V619000](/recalls/nhtsa/25V619000.md), 2025-09-18: FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY - [2025429](/recalls/tc/2025429.md), 2025-08-21: Fuel System - [25V536000](/recalls/nhtsa/25V536000.md), 2025-08-21: FUEL SYSTEM, GASOLINE - [25V390000](/recalls/nhtsa/25V390000.md), 2025-06-12: SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING:SWITCH/SENSOR/FLOAT - [2025225](/recalls/tc/2025225.md), 2025-04-24: Engine - [25V274000](/recalls/nhtsa/25V274000.md), 2025-04-24: ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL - [2024543](/recalls/tc/2024543.md), 2024-09-19: Brakes - [24V702000](/recalls/nhtsa/24V702000.md), 2024-09-19: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC:HOSES, LINES/PIPING, AND FITTINGS - [2023040](/recalls/tc/2023040.md), 2023-02-02: Fuel 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. - [N262558690\-02](/bulletins/11037460.md), 2026-09-23, Service campaign: FUEL/PROPULSION SYSTEM. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module. - [N262558690](/bulletins/11037321.md), 2026-09-16, Service campaign: FUEL/PROPULSION SYSTEM. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module. - [N262558690\-01](/bulletins/11036648.md), 2026-09-02, Emissions: FUEL/PROPULSION SYSTEM. Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles listed above may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module. - [N242484750\-02](/bulletins/11036594.md), 2026-09-01, Warranty extension: ENGINE. Special Coverage. Certain 2022 model year Buick Encore GX and Chevrolet Trailblazer vehicles, equipped with a 1.2L engine, may have a condition that could cause the turbocharger to fail. If this condition occurs, the Malfunction Indicator Lamp \(Check Engine Light\) will illuminate, and a diagnostic trouble code will set. Additionally, a message may be displayed indicating the vehicle’s available engine power is reduced. This special coverage covers the condition described above for a period of 15 years or 150,000 miles \(240,000 km\), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after January 14, 2025, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to January 14, 2025, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage \(“Customers”\) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to replace the turbocharger as necessary. The repairs will be made at no charge to the customer. - [N262558690\-01](/bulletins/11036143.md), 2026-08-12, Service campaign: FUEL/PROPULSION SYSTEM. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module. - [N262558690](/bulletins/11035027.md), 2026-07-16, Service campaign: FUEL/PROPULSION SYSTEM. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition which can cause the fuel pump power control module to fail. If this were to occur, fuel flow to the engine could be interrupted. Dealers will replace the fuel pump power control module. - [N262552620](/bulletins/11032588.md), 2026-05-11, Service campaign: ENGINE. Certain vehicles may have a condition that could cause the cylinder 2 glow plug to fail. If this failure occurs, the Malfunction Indicator Light \(Check Engine Light\) will illuminate and a diagnostic trouble code will set. This special coverage covers the condition described above for a period of 15 years or 150,000 miles \(240,000 km\), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after May 11, 2026, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to May 11, 2026, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage \(“Customers”\) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to replace the cylinder 2 glow plug as necessary. 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. JSON: [/v1/bulletins/10213036](/v1/bulletins/10213036) [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%2021-NA-043&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10213036&vehicle=Service%20bulletin%2021-NA-043)