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Service bulletin N222376580

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 id10231274
Published by NHTSA2023-02-06
Manufacturer's numberN222376580
Manufacturer's date2023-02-06
NHTSA componentSTEERING:ELECTRIC POWER ASSIST SYSTEM

NHTSA's summary

Service Update - Certain vehicles may have a condition in which the Power Assist Steps reverse while deploying or stowing. Dealers will reprogram the Assist Step Control Module.

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

Steering, Power steering

Vehicles listed
CHEVROLET SILVERADO 25002021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002021, 2022, 2023 (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
23-NA-2012023-12-21. Service bulletin. This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated.