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Service bulletin 23-NA-039

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 id10234177
Published by NHTSA2023-04-14
Manufacturer's number23-NA-039
Manufacturer's date2023-03-30
NHTSA componentSTRUCTURE; VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; EQUIPMENT

NHTSA's summary

This technical bulletin provides a provides a procedure to replace the mirror caps for a condition of Outside Rearview Mirrors Incorrect Color.

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

Body and frame, Equipment and accessories, Glass, wipers and mirrors, Mirrors

Vehicles listed
GMC TERRAIN2022
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.

Other bulletins for the same vehicles and component
N2223771502023-03-06. Service bulletin. Service Update. Certain vehicles were built with body color external mirrors instead of high gloss black as part of the Midnight package. Dealers are to install the correct left and right outside rear view mirror housing upper covers.
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.