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Service bulletins for the 2003 GMC Sierra

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.

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

By type

By component

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Only bulletins with component: Seats are shown. Show all

Bulletins, newest first
SB-10-08-50-003B2012-02-06. Service bulletin. SEATS:FRONT ASSEMBLY:HEAD RESTRAINT. 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. ELECTRICAL SYSTEM:WIRING; SEATS; ELECTRICAL SYSTEM. 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. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. 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. SEATS. UNWANTED/LOOSE SEAT MOVEMENT. *TT
0508500082005-11-05. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. INTERMITTENT HEATED SEATS INOPERATIVE, DIAGNOSTIC TROUBLE CODE B3941 SET. *TT
7082005-09-13. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. HEATED SEATS TURN OFF. *SC
040850016B2005-01-11. Service bulletin. SEATS. MEMORY SEAT MAY NOT RETURN TO REQUESTED POSITION. *EH
102120022004-10-01. Service bulletin. SEATS. INFORMATION ON DIAGNOSTIC TROUBLE CODE 63 FOR PASSENGER SENSING SYSTEM THAT IS NOT CALIBRATED. *TT
0408500072004-08-17. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. SERVICE INFORMATION FOR FRONT HEATED SEAT INOPERATIVE/COLD. *MJ
018622004-05-06. Service bulletin. SEATS. DRIVER PERSONALIZATION REGARDING MEMORY SEATS. *MR
018502004-05-06. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. DRIVERS OR PASSENGERS HEATED SEATS TURN ON BY THEMSELVES. *MR
1209022003-09-12. Service bulletin. SEATS. FRONT PASSENGER SIDE MANUAL SEAT DOES NOT FULLY LOCK INTO POSITION. *TT
0308500032003-04-05. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. SEAT HEATER AND/OR MEMORY POWER SEAT INOPERATIVE. *TT
0308050012003-04-04. Service bulletin. SEATS:MID/REAR ASSEMBLY. SECOND ROW SEAT CENTER ARMREST PANEL WARPING. *TT

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