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Service bulletin 3112

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 id10009953
Published by NHTSA2004-11-03
Manufacturer's number3112
Manufacturer's date2004-01-01
NHTSA componentEQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

NHTSA's summary

GMT800 DEALER INSTALLED XM RADIO KIT COMPATIBILITY. (CHEVROLET 2004 AND GMC 2004) *SC

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

Equipment and accessories

Vehicles listed
CHEVROLET CHEVROLET2003
GMC GMC2003

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