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Service bulletin 20040146

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 id10007862
Published by NHTSA2004-07-13
Manufacturer's number20040146
Manufacturer's date2004-05-24
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

SOME CUSTOMERS MAY HAVE EXPERIENCE VEHICLE SERVICE ENGINE SOON (SES) LIGHT ILLUMINATION, LOW ENGINE POWER, HARD START, AND/OR FUEL IN CRANKCASE, REQUIRING INJECTOR REPLACEMENT, AS A RESULT OF HIGH FUEL RETURN RATES DUE TO FUEL INJECTOR BODY CRACKS OR BALL SEAT EROSION. *MJ

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 SILVERADO2001, 2002
GMC SIERRA2001, 2002

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

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