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Service bulletin 3113

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 id10010835
Published by NHTSA2004-12-14
Manufacturer's number3113
Replaces3113A
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

NO CONNECT. GEN 6 VEHICLES IN ASHE, ALLEGHANY, SURRY AND WILKES COUNTY, NC CANNOT CONNECT O ONSTAR OR EMERGENCY SERVICES. *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.

Vehicles listed
BUICK RAINIER2004
BUICK RENDEZVOUS2004
CADILLAC ESCALADE2004
CHEVROLET AVALANCHE2004
CHEVROLET SILVERADO2004
CHEVROLET SUBURBAN2004
CHEVROLET TAHOE2004
CHEVROLET TRAILBLAZER2004
GMC ENVOY2004
GMC SIERRA2004
GMC YUKON DENALI2004 (the catalog's model; the bulletin names a series or trim of it)
HUMMER H22004
PONTIAC AZTEK2004

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