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Service bulletin 010803

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 id10005128
Published by NHTSA2004-02-03
Manufacturer's number010803
Manufacturer's date2003-01-08
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

SERVICE VOICEMAIL IS SPECIFIC TO 2002/2003 TRUCKS EQUIPPED WITH THE 4.3 LITER VIN CODE W OR VIN CODE X ENGINE. A ROUGH RUNNING CONDITION WITH THE SERVICE ENGINE SOON (SES) LIGHT AND DIAGNOSTIC TROUBLE CODES (DTCS) P0335 OR P0300. GM VOICEMAIL EXPRESS. *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

Engine

Trouble codes named

P0300, P0335

Vehicles listed
UNKNOWN UNKNOWN1

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