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Service bulletin 040850007

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 id10008696
Published by NHTSA2004-08-17
Manufacturer's number040850007
Manufacturer's date2004-03-01
NHTSA componentSEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

NHTSA's summary

SERVICE INFORMATION FOR FRONT HEATED SEAT INOPERATIVE/COLD. *MJ

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

Seats

Vehicles listed
CADILLAC ESCALADE2003, 2004
CADILLAC ESCALADE ESV2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE2003, 2004
CHEVROLET SILVERADO2003, 2004
CHEVROLET SUBURBAN2003, 2004
CHEVROLET TAHOE2003, 2004
GMC DENALI2003
GMC SIERRA2003, 2004
GMC YUKON2003, 2004
GMC YUKON XL2003, 2004
HUMMER H22003, 2004

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

Recalls for the same vehicles and component
20051192005-04-25. Seats And Restraints

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SB-10-08-50-003B2012-02-06. Service bulletin. GENERAL MOTORS: INFORMATION PROVIDED BY BULLETIN FOR ALL 2012 AND PRIOR GENERAL MOTOR TRUCKS AND PASSENGER VEHICLES REGARDING THE ADJUSTABLE COMFORT AND CUSTOM UPHOLSTERY OF THE DRIVER AND THE PASSENGER HEAD RESTRAINT. *PE
PIT-46622008-12-12. Service bulletin. GMC: SIR MIL DTC B0084 AND/OR B0085. THIS CONCERN COULD BE CAUSED BY BROKEN SEAT POSITION SENSOR CIRCUITS UNDER THE DRIVER OR PASSENGER FRONT SEATS. OVER TIME, FROM REPEATED SEAT MOVEMENT, THE WIRING COULD BREAK. *PE
3287B2006-01-06. Service bulletin. HEATED SEAT INOPERATIVE OR SHUT OFF IN 30 SECONDS. DIAGNOSTIC TROUBLE CODES B2435, B2440, B3606 AND/OR B1825 SET IN THE DRIVERS SEAT MODULE. *TT
0508500122005-11-30. Service bulletin. UNWANTED/LOOSE SEAT MOVEMENT. *TT
0508500082005-11-05. Service bulletin. INTERMITTENT HEATED SEATS INOPERATIVE, DIAGNOSTIC TROUBLE CODE B3941 SET. *TT
7082005-09-13. Service bulletin. HEATED SEATS TURN OFF. *SC
5102005-09-02. Service bulletin. REPAIRING NAPPED FABRIC-SEATS MAY HAVE BEEN UPHOLSTERED IN NAPPED FABRICS WITH DORCHESTER ON THE BOLSTER AND HONEYCOMB ON THE INSERT. *SC
040850016B2005-01-11. Service bulletin. MEMORY SEAT MAY NOT RETURN TO REQUESTED POSITION. *EH
0408500142005-01-11. Service bulletin. FRONT SEAT COOLING PERFORMANCE POOR. *EH
040850142004-12-29. Service bulletin. FRONT SEAT COOLING PERFORMANCE POOR. *TT