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Service bulletin 21NA046

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 id10191219
Published by NHTSA2021-05-03
Manufacturer's number21NA046
Manufacturer's date2021-03-04
NHTSA componentVISIBILITY

NHTSA's summary

This technical bulletin provides a procedure to install foam adhesive to correct the condition of Loss of Window Motor Memory ? Window Drops Down.

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

Glass, wipers and mirrors

Vehicles listed
CHEVROLET EQUINOX2018, 2019, 2020, 2021
GMC TERRAIN2018, 2019, 2020, 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
20181962018-04-19. Visual System
18V2520002018-04-19. STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT; VISIBILITY

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
21-NA-0432025-02-12. Service bulletin. This 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.
PI0754G2024-08-17. Service bulletin. This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
18-NA-1622024-02-02. Service bulletin. This technical bulletin provides a procedure for air conditioning refrigerant desiccant replacement due to A/C Not Cooling or refrigerant loss.
PIT5099G2023-12-26. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PI0754F2023-03-03. Service bulletin. This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
PIP5540J2023-01-30. Service bulletin. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
22-NA-1772022-09-19. Service bulletin. This informational bulletin provides information for dealers/technicians on Intermittent or Inoperable Rearview Camera, May Display Blue or Black Screen With Error Message.
PIC5260F2022-07-25. Service bulletin. This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIT5099F2022-07-25. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
12-01-37-001F2022-07-12. Service bulletin. This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.