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Service bulletin 18-NA-246

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 id10209255
Published by NHTSA2022-03-24
Manufacturer's number18-NA-246
Manufacturer's date2022-03-11
NHTSA componentENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

NHTSA's summary

This service bulletin provides repair procedures, depending on model year, to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated with DTC P0172, P06DE and/or P0521 Set.

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

Trouble codes named

P0172, P0521, P06DE

Vehicles listed
BUICK ENVISION2016, 2017, 2018, 2019
BUICK REGAL2014, 2015, 2016, 2017, 2018, 2019
CADILLAC ATS2013, 2014, 2015, 2016, 2017, 2018, 2019
CADILLAC ATS-V2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC CTS2014, 2015, 2016, 2017, 2018, 2019
CADILLAC CTS-V2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC CTS-V2018 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CAMARO2016, 2017, 2018, 2019
CHEVROLET EQUINOX2018, 2019
CHEVROLET MALIBU2013, 2014, 2015, 2016, 2017, 2018, 2019
CHEVROLET TRAVERSE2018, 2019
GMC TERRAIN2018, 2019

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

Recalls for the same vehicles and component
20194492019-09-06. Engine
19V6420002019-09-06. ENGINE; ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
20184812018-09-07. Electrical
16V5020002016-07-05. ELECTRICAL SYSTEM:IGNITION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
16V0840002016-02-11. ELECTRICAL SYSTEM:SOFTWARE
20153902015-09-03. Electrical
20153222015-07-21. Electrical
20150752015-02-19. Electrical
20144322014-10-03. Electrical
14V6140002014-10-01. ELECTRICAL SYSTEM

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
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.
23-NA-1702025-10-25. Service bulletin. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
23-NA-1532025-10-25. Service bulletin. 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.
22-NA-0802025-10-16. Service bulletin. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
18-NA-1802025-10-16. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
18-NA-1802025-09-26. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
15-NA-0102025-07-07. Service bulletin. 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-1002025-06-12. Service bulletin. 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.
18-NA-0692025-05-06. Service bulletin. This service bulletin provides a service procedure to correct conditions of Poor Engine Performance in Extremely cold weather conditions, CAC Icing, MIL Illuminated with DTCs set.
25-NA-0872025-05-02. Service bulletin. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.