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Service bulletin 040604030

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 id10012599
Published by NHTSA2005-03-08
Manufacturer's number040604030
Manufacturer's date2004-04-01
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

REVISED DIAGNOSTIC TROUBLE CODE P0236. *EH

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

Engine

Trouble codes named

P0236

Vehicles listed
CHEVROLET EXPRESS1998
GMC SAVANA1998

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

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1708012001-11-19. Service bulletin. VEHICLES MAY EXPERIENCE AN EXHAUST SYSTEM NOISE. *JG