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Service bulletin 20NA215

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 id10194089
Published by NHTSA2021-05-24
Manufacturer's number20NA215
Manufacturer's date2021-04-21
NHTSA componentPOWER TRAIN; STEERING; AIR BAGS

NHTSA's summary

This service bulletin provides a procedure to correct a customer concern of Loss of Power Steering Assist, Service Power Steering and/or Steering Assist is Reduced Drive with Care Message Displayed on Driver Information Center (DIC).

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

Air bags, Steering, Transmission and driveline

Vehicles listed
BUICK ENCLAVE2020, 2021
CADILLAC XT52020, 2021
CADILLAC XT62020, 2021
CHEVROLET BLAZER2021
CHEVROLET TRAVERSE2020, 2021
GMC ACADIA2020, 2021

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

Recalls for the same vehicles and component
22V2100002022-03-31. AIR BAGS:SIDE/WINDOW:CURTAIN
21V8170002021-10-18. POWER TRAIN:AUTOMATIC TRANSMISSION
21V4720002021-06-24. AIR BAGS:SENSOR:FRONTAL IMPACT
20205202020-10-29. Powertrain
20V6680002020-10-29. POWER TRAIN:AUTOMATIC TRANSMISSION
20203502020-07-30. Airbag
20V4460002020-07-30. AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR

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
PI0281L2025-06-12. Service bulletin. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
23-NA-0742025-05-02. Service bulletin. This service bulletin provides a procedure to add deadener to the batter tray bracket to correct customer concerns of a Service Engine Soon (SES), Reduced Power, Service Brake, Reduced Steering and/or Stabilitrak Message Illuminated on DIC, multiple DTCs.
25-NA-0652025-04-24. Service bulletin. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
16-NA-1092025-02-28. Service bulletin. This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
24-NA-2392025-01-30. Service bulletin. This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
09-06-04-026Z2025-01-23. Service bulletin. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
08-07-30-035I2024-12-19. Service bulletin. This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
21-NA-1812024-12-18. Service bulletin. This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.
23-NA-0212024-12-04. Service bulletin. This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.
04-06-01-029K2024-12-04. Service bulletin. This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.