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Service bulletin N222357790

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 id10209060
Published by NHTSA2022-03-15
Manufacturer's numberN222357790
Manufacturer's date2022-03-15
NHTSA componentEXTERIOR LIGHTING:TURN SIGNAL:SWITCH; LANE DEPARTURE

NHTSA's summary

Customer Satisfaction Program. Certain vehicles may have been built with the incorrect turn signal switch installed. Dealers are to inspect, and if necessary, replace the turn signal switch.

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

Driver assistance, Lighting, Turn signals

Vehicles listed
CHEVROLET SILVERADO 15002022 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002022 (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
21-NA-1662023-09-29. Service bulletin. This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.