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Service bulletin 09122002

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 id10009446
Published by NHTSA2004-09-30
Manufacturer's number09122002
Manufacturer's date2002-09-12
NHTSA componentPOWER TRAIN

NHTSA's summary

THE TRANSFER CASE BUTTONS, LOCATED LEFT OF THE INSTRUMENT PANEL, WIL BE DIFFERENT FROM THE TRADITIONAL SYSTEM. THE UPPER BUTTON WILL NOW HAVE THE STABILITRACK SYMBOL, REPLACING THE AUTO FOUR-WHEEL DRIVE FEATURE. ADDITIONAL INFORMATION IS FOUND IN THE 2003 OWNER'S MANUAL. THIS INVOLVES THE 2003 FULL-SIZE CHEVROLET AND GMC FOUR-WHEEL DRIVE K SERIES WITH THE OPTIONAL STABILITRACK VEHICLE STABILITY ENHANCEMENT SYSTEM. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline

Vehicles listed
UNKNOWN UNKNOWN

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