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Service bulletin PIC5491C

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 id10246925
Published by NHTSA2023-12-11
Manufacturer's numberPIC5491C
Manufacturer's date2013-09-01
NHTSA componentPOWER TRAIN

NHTSA's summary

OnStar Will Not Power Up.

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

Transmission and driveline

Vehicles listed
GMC C SERIES2006 to 2009
GMC G VAN BUS2010 to 2011

Listing a model year does not mean every vehicle of it is concerned: the document says which.