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Service bulletin 3555

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 id10016868
Published by NHTSA2005-10-13
Manufacturer's number3555
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

REPEAT AUXILIARY AIR COMPRESSOR RELAY FAILURE. *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

Vehicles listed
CHEVROLET KODIAK2003 to 2005
GMC TOPKICK2003 to 2005

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