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Service bulletin 030604050

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 id10004312
Published by NHTSA2003-12-02
Manufacturer's number030604050
Manufacturer's date2003-10-01
NHTSA componentFUEL SYSTEM, GASOLINE

NHTSA's summary

REVISED FUEL SYSTEM DIAGNOSIS - HIGH PRESSURE SIDE. 2003-2004 CHEVROLET KODIAK AND GMC TOPKICK. *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

Fuel system

Vehicles listed
CHEVROLET KODIAK
GMC TOPKICK2003

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