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Service bulletin 04022004

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 id10009198
Published by NHTSA2004-09-17
Manufacturer's number04022004
Manufacturer's date2004-04-02
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT

NHTSA's summary

THERE MAY BE CUSTOMER CONFUSION RELATIVE TO THE REAR WINDOW DEFROSTER BUTTON ON THE HVAC CONTROL PANEL IF THE VEHICLE IS EQUIPPED WITH A REAR WINDOW SLIDER. 2004 MODEL YEAR FULL-SIZE PICK-UP TRUCKS. GM VOICEMAIL LOG. *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.

Components

Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
UNKNOWN UNKNOWN

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