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Service bulletin 3063

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 id10009672
Published by NHTSA2004-10-15
Manufacturer's number3063
Manufacturer's date2004-01-01
NHTSA componentOTHER:SCHOOL BUS STOP ARM ASSEMBLY

NHTSA's summary

PERFORMANCE PACKAGE RPO PCX. *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
CHEVROLET SILVERADO2004, 2005
CHEVROLET SUBURBAN2004, 2005
CHEVROLET TAHOE2004, 2005
GMC SIERRA2004, 2005
GMC YUKON2004, 2005

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