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Service bulletins for the 2004 Chevrolet Impala

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.

495 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
013902003-11-21. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. XM RADIO MUST BE TUNED TO CHANNEL 1 THROUGH 66 DURING ACTIVATION ATTEMPT. 2004 CHEVROLET CANYON, GMC DENALI, GMC COLORADO ALSO INCLUDED. *TT
0812032003-11-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. THIS SERVICE VOICEMAIL MESSAGE OUTLINES A METHOD TO ATTEMPT REPAIR OF THE AIR CONDITIONER VENT LOUVER BEFORE REPLACING THE ENTIRE TRIM PLATE. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.