WenmarOpen by Wenmar Pro

Service bulletins for the 2004 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.

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

By type

By component

By trouble code

By topic

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

Bulletins, newest first
PIT4780S2016-10-21. Service bulletin. EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE PART RESTRICTION FOR THE PARALLEL HYBRID TRUCK PARTS LISTED BELOW HAS ENDED. DEALER CAN ORDER PART THROUGH THE NORMAL PART PROCESS.
16NA2602016-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO CALIBRATION CONCERNS.
PIT-5485-B2016-08-17. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE, TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE.
PIT4780R2016-07-07. Service bulletin. EQUIPMENT. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIT4780P2016-06-13. Service bulletin. EQUIPMENT. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIT4780M2016-04-26. Service bulletin. EQUIPMENT. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIT-51412012-04-10. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE: IF BLOWER MOTOR IS SET TO ANY SPEED POSITION AND WHEN KEY IS OFF, IT BECOMES INOPERATIVE AND MAY STILL BE INOPERATIVE AFTER KEY IS TURNED ON. *PE UPDATED ON 5/1/12. *JS
SB-102402011-06-27. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. GENERAL MOTORS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE HVAC BLOWER MAY NOT WORK AT CERTAIN FUNCTIONS OR MAY BECOME INOPERABLE. THERE COULD BE A BURNING SMELL OR SMOKE. *RM UPDATED 4/6/12. *PE
08089-B2009-02-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE
08-0892008-11-15. Service bulletin. EQUIPMENT:ELECTRICAL. BUICK CADILLAC CHEVROLET GMC HUMMER OLDSMOBILE PONTIAC SAAB SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. FCC RULED IN 2002 WIRELESS CARRIERS WOULD NO LONGER RE REQUIRED TO SUPPORT ANALOG WIRELESS NETWORK STARTING IN 2008. *PE CSC LETTER WAS RECEIVED. UPDATED 12/1/08. *PE
PIT3504D2008-09-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOME CUSTOMERS MAY COMMENT ON VARIOUS HVAC CONCERNS INCLUDING TEMPERATURE DOORS DEFAULTING TO FULL HOT POSITION OR UNABLE TO OBTAIN DEFROST POSITION. *PE
0501380122005-11-04. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. EI05082 - LOSS OF BLOWER MOTOR SPEEDS EXCEPT FOR HIGH SPEED OR INOPERATIVE. *TT UPDATED. *KB UPDATED *KB
055462005-09-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. PROGRAM BULLETIN (CUSTOMER SATISFACTION PROGRAM)-15,000 MILE (24,000 KM) FUEL FILTER CHANGE. 2002 CHEVROLET KODIAK AND 2001-2002 GMC TOPKICK. *SC
7022005-09-09. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). NAVIGATION RADIO SYSTEM DOES NOT HAVE COMPLETE COVERAGE. GM TECH LINKS. *TT
6092005-09-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. A/C LOW PRESSURE SWITCH DIAGNOSIS. *SC
050846006A2005-05-14. Service bulletin. EQUIPMENT. INFORMATION ON UPGRADING CERTAIN ONSTAR GENERATION 5 ANALOG/DIGITAL-READY SYSTEMS TO ONSTAR GENERATION 6 DUAL-MODE (ANALOG/DIGITAL). *TT
070120042005-04-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. OIL LIFE SYSTEM RESET PROCEDURES-TRUCKS. BUICK TERAZZA 2005, GMC SIERRA DENALI 2002-2003, GMC B7 CHASSIS MEDIUM DUTY 2003-2005 AND GMC 560 C-SERIES 2003-2005 *SC
05081320012005-04-19. Service bulletin. EQUIPMENT. ACCESSORY POWER OUTLET (APO) TURNS OFF AUTOMATICALLY - PARALLEL HYBRID TRUCK (RPO HP2). *TT
0401380142005-03-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HIGH PITCHED TONE HEARD INSIDE VEHICLE WHEN AC COMPRESSOR IS ENGAGED. *EH
0401380132005-03-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC NOT COLD ENOUGH A/C COMPRESSOR DOES NOT ENGAGE . *EH
0401370042005-03-09. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. REVISED AIR CONDITIONING (A/C) SYSTEM PERFORMANCE TEST. *TT
0408520052005-03-07. Service bulletin. EQUIPMENT. REMOTE KEYLESS ENTRY (RKE) SYSTEM INOPERATIVE. *TT
0401380082005-02-17. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HEAT VENTILATION AND AIR CONDITIONING SYSTEM CANNOT BE CONTROLLED OR DEFAULTS TO DEFROST MODE. *EH
0201380072005-02-11. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. POOR AIR CONDITIONER PERFORMANCE - AIR CONDITIONER WILL NOT BLOW COLD ENOUGH. THIS SERVICE BULLETIN REPLACES 020138007A. *EH
0401380102005-01-10. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. DIAGNOSTIC INFORMATION TO ACCURATELY DIAGNOSE A/C LOW PRESSURE SWITCH USING NEW KENT MOORE SPECIAL TOOL GE-47742. *TT

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