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Service bulletin N23-239807

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 id10240715
Published by NHTSA2023-08-14
Manufacturer's numberN23-239807
Manufacturer's date2023-08-07
NHTSA componentEQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Your Vehicle keeps getting better. A vehicle software update is ready for you to install. This update includes the following if your vehicle is equipped: Refinements: •Improvements made to Google Built-in features (Google Assistant and Google Maps) •A variety of software improvements were made to make your in-vehicle driving experience better. Enjoy this update. Better Never Stops.

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

Electrical system, Equipment and accessories, Software

Vehicles listed
CHEVROLET SILVERADO 15002023 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002023 (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
20-NA-1322024-04-05. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
23-NA-1432023-10-18. Service bulletin. This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y169– Multiple Updates for IOK.
23-NA-1182023-10-18. Service bulletin. This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y168 – Multiple Updates for IOK.
N23-2409842023-08-25. Service bulletin. '(There may be future updates under this same release number.) Your vehicle keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: - Updates made to the overall vehicle software update process. - Updates made to improve the Adaptive Cruise Control functionality. - Updates to improve the network connectivity during an emergency call. - A variety of other minor software updates to make your driving and in-vehicle experience better. Better Never Stops™
PIT60052023-05-15. Service bulletin. This Preliminary information communicates of a software concern that General Motors is working on a fix for
22-NA-2532023-03-08. Service bulletin. This technical bulletin provides repair information to correct a customer concern of Cluster RPO UDV 162.1 Software Update – Multiple Updates.
PIT59522022-10-17. Service bulletin. This Preliminary information communicates to dealer there is a known issue with the IPC software and that General Motors is working on a solution