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Service bulletin 3867

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 id10019457
Published by NHTSA2006-03-15
Manufacturer's number3867
NHTSA componentELECTRICAL SYSTEM:IGNITION

NHTSA's summary

SERVICING THE IGNITION SWITCH AND/OR PASSLOCK SENSOR. *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

Electrical system, Ignition

Vehicles listed
CHEVROLET COLORADO2004, 2005, 2006
GMC CANYON2004, 2005, 2006

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