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Service bulletin 15-NA-087

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10225708
Published by NHTSA2022-11-03
Manufacturer's number15-NA-087
Manufacturer's date2022-10-25
NHTSA componentENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

NHTSA's summary

This technical bulletin advises the technician to rest the MIL and diagnose additional DTCs for why the code is setting and disabling the start/stop system.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine

Vehicles listed
BUICK ENCLAVE2018, 2019, 2020, 2021, 2022, 2023
BUICK ENCORE2016, 2017, 2018, 2019, 2020, 2021, 2022
BUICK ENVISION2016, 2017, 2018, 2019, 2020, 2021, 2022
BUICK LACROSSE2017, 2018, 2019
CADILLAC ATS2017, 2018, 2019
CADILLAC CT62016, 2017, 2018, 2019, 2020
CADILLAC CT62021
CADILLAC CTS2019
CADILLAC XT42019, 2020, 2021, 2022, 2023
CADILLAC XT52017, 2018, 2019, 2020, 2021, 2022, 2023
CADILLAC XT62020, 2021, 2022, 2023
CHEVROLET BOLT EUV2022, 2023
CHEVROLET BOLT EV2021, 2022, 2023
CHEVROLET CRUZE2016, 2017, 2018, 2019
CHEVROLET EQUINOX2018, 2019, 2020, 2021, 2022
CHEVROLET MALIBU2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET SILVERADO 15002019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TRAVERSE2018, 2019, 2020, 2021, 2022, 2023
GMC ACADIA2017, 2018, 2019, 2020, 2021, 2022, 2023
GMC SIERRA 15002019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2018, 2019, 2020, 2021, 2022
GMC TERRAIN NA2022 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20252252025-04-24. Engine
25V2740002025-04-24. ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL
24V8120002024-10-31. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY THERMAL:MANAGEMENT:SOFTWARE; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
24V4810002024-06-27. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
24V4590002024-06-20. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
20234862023-08-31. Electrical
23V5670002023-08-10. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; AIR BAGS:FRONTAL
21V6500002021-08-20. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
21V4210002021-06-10. AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; ELECTRICAL SYSTEM:SOFTWARE
21V3460002021-05-13. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
N262570770-032026-10-16. Service campaign. Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak. Dealers are to cut the thermal break tabs on the radiator.
N2625762602026-10-15. Service campaign. 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.
N262570770-022026-09-25. Service campaign. Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak. Dealers are to cut the thermal break tabs on the radiator.
N262570770-012026-09-18. Service campaign. Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak. Dealers are to cut the thermal break tabs on the radiator.
N2625707702026-09-15. Service campaign. Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak. Dealers are to cut the thermal break tabs on the radiator.
N2625480502026-04-24. Service bulletin. 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.
N2625480502026-04-23. Service campaign. 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.
N2525155902026-01-27. Service campaign. Certain vehicles listed above, may have a condition in which the body-to-chassis ground strap may be corroded. Dealers will replace the ground strap.
N252494003-022026-01-21. Service campaign. Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the vehicle as a result of the condition described above for a period of 10 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 23, 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 May 23, 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 engine. The repairs will be made at no charge to the customer.
00-06-01-026R2025-12-03. Service bulletin. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.