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Service bulletin 3154

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 id10009990
Published by NHTSA2004-11-03
Manufacturer's number3154
Manufacturer's date2004-01-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

ALL GM VEHICLES WITH CLASS 2 COMMUNICATIONS DIAGNOSTIC STRATEGY FOR DTC U1000 OR U1255. *TC

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

Trouble codes named

U1000, U1255

Vehicles listed
UNKNOWN UNKNOWN

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