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Service bulletin 3479

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 id10014886
Published by NHTSA2005-05-11
Manufacturer's number3479
Manufacturer's date2008-09-01
Replaces3479D
NHTSA componentSERVICE BRAKES, HYDRAULIC

NHTSA's summary

LOCATION OF AUXILIARY BRAKE CONTROL HARNESS/WIRE U86 OPTION. *TT UPDATED 12/2/08. *PE

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

Brakes

Vehicles listed
CHEVROLET C45002006
CHEVROLET C55002006
CHEVROLET KODIAK2003 to 2009
GMC C45002006
GMC C55002006
GMC TOPKICK2003 to 2009

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