# Service bulletin 18\-NA\-115

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: 10211692
- Published by NHTSA: 2022\-05\-11
- Manufacturer's number: 18\-NA\-115
- Manufacturer's date: 2022\-05\-02
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

This service bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also be set.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211692-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211692-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Trouble codes named

P0300

## Vehicles listed

- 2009 BUICK ALLURE
- 2009 to 2022 BUICK ENCLAVE
- 2009 to 2019 BUICK LACROSSE
- 2018 to 2019 BUICK REGAL
- 2013 to 2019 CADILLAC ATS
- 2015 to 2018 CADILLAC ATS\-V
- 2020 to 2022 CADILLAC CT5
- 2016 to 2020 CADILLAC CT6
- 2010 to 2019 CADILLAC CTS
- 2010 to 2016 CADILLAC SRX
- 2018 to 2022 CADILLAC XT5
- 2020 to 2022 CADILLAC XT6
- 2013 to 2019 CADILLAC XTS
- 2019 to 2022 CHEVROLET BLAZER
- 2010 to 2022 CHEVROLET CAMARO
- 2012 to 2017 CHEVROLET CAPRICE POLICE PURSUIT
- 2013 to 2015 CHEVROLET CAPTIVA
- 2012 CHEVROLET CAPTIVA SPORT
- 2015 to 2022 CHEVROLET COLORADO
- 2010 to 2017 CHEVROLET EQUINOX
- 2012 to 2019 CHEVROLET IMPALA
- 2009 to 2022 CHEVROLET TRAVERSE

## Recalls for the same vehicles and component

- [2010170](/recalls/tc/2010170.md), 2010-05-28: Engine
- [10V223000](/recalls/nhtsa/10V223000.md), 2010-05-25: ENGINE AND ENGINE COOLING

## Other bulletins for the same vehicles and component

- [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.
- [N252508350](/bulletins/11024390.md), 2025-10-21, Service campaign: ENGINE. Certain vehicles listed above, may have a condition that could cause the engine coolant thermostat to open at a lower temperature than intended. If this condition were to occur, the Malfunction Indicator Lamp \(Check Engine Light\) will illuminate and a diagnostic trouble code will set. Additionally in some cases, the engine cooling fans may run after the engine is switched off. 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 October 21, 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 October 21, 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 coolant thermostat as necessary. The repairs will be made at no charge to the customer.
- [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.
- [24\-NA\-068](/bulletins/11019547.md), 2025-06-16, Service bulletin: ENGINE; ELECTRICAL SYSTEM. This service bulletin provides a procedure to test and replace the battery distribution fuse block if found the cause of the DTC and electric coolant pump inoperative.
- [21\-NA\-240](/bulletins/11019543.md), 2025-06-16, Service bulletin: ENGINE. This service bulletin provides diagnostic repair information to correct an oil leak in the engine.
- [25\-NA\-100](/bulletins/11019503.md), 2025-06-12, Service bulletin: ENGINE. This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000\-mile Emission Select State Component Limited Warranty.
- [24\-NA\-139](/bulletins/11019378.md), 2025-06-07, Service bulletin: FUEL/PROPULSION SYSTEM; ENGINE. This service bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Malfunction Indicator Lamp \(MIL\) Illuminated – DTC P023F or P129F Set.

JSON: [/v1/bulletins/10211692](/v1/bulletins/10211692)

[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%2018-NA-115&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10211692&vehicle=Service%20bulletin%2018-NA-115)