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Service bulletin 050857004

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 id10019585
Published by NHTSA2006-03-31
Manufacturer's number050857004
Manufacturer's date2005-12-01
NHTSA componentSTRUCTURE:BODY:ROOF AND PILLARS

NHTSA's summary

WATER INTRUSION INTO CAB (INSPECT/REPLACE ROOF MARKER LAMP LENS/BOLTS). *AK

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

Body and frame

Vehicles listed
CHEVROLET C45002006
CHEVROLET C55002006
CHEVROLET C65002006
CHEVROLET C75002006
CHEVROLET C85002006
CHEVROLET KODIAK2003 to 2005
GMC C45002006
GMC C55002006
GMC TOPKICK2003 to 2006
GMC TOPKICK 65002006
GMC TOPKICK 85002006
ISUZU HTR2005
ISUZU HVR2005
ISUZU HXR2005

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