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Service bulletins for the 2003 Hummer H2

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.

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

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

Bulletins, newest first
PIT5485A2016-11-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). 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.
PIT5485B2016-11-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). 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.
PIT5389A2016-11-03. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS FOR DIAGNOSING THE CONCERN. THE VEHICLE MAY BE UNABLE TO CONNECT TO ONSTAR USING THE WHITE, BLUE OR RED ONSTAR BUTTONS.
PIC5088F2016-10-25. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN. THE VEHICLE'S XM RADIO ONLY HAS XM PREVEIW CHANNELS.
PIC5050A2016-10-25. Service bulletin. EQUIPMENT:ELECTRICAL. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. DEALER IS TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE IF THE CONCERN IS STILL PRESENT.
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.
SB-00-03-10-006C2010-06-02. Service bulletin. TIRES; EQUIPMENT ADAPTIVE/MOBILITY. GENERAL MOTORS: INFORMATION ON TIRE RADIAL FORCE VARIATION. VEHICLE MUST BE DRIVEN BEFORE MEASURING TIRES ON EQUIPMENT HUNTER GSP9700 TOENSURE REMOVAL OF ANY FLATSPOTTING. MODELS INCLUDE ALL GM PASSENGER CARS AND LIGHT TRUCKS, AS WELL AS CERTAIN HUMMERS, SAABS, AND SATURNS. *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
0008460032005-11-03. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). GLOBAL POSITION SENSOR (GPS) PERFORMANCE DEGRADATION. 1996 - 2005 PASSENGER CARS AND TRUCKS. 2002 - 2005 SATURN VEHICLES. *TT
7022005-09-10. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. NAVIGATION RADIO HUM. THIS APPLIES TO 2003-05 CHEVROLET/GMC/CADILLAC/HUMMER H2 FULL SIZE UTILITIES. 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
0508460052005-05-14. Service bulletin. EQUIPMENT. ONSTAR LABOR OPERATION CODES. 1996-2005 GM PASSENGER CARS AND TRUCKS AND SATURN VEHICLES. *TT
0508460042005-05-14. Service bulletin. EQUIPMENT. ONSTAR PHONE NUMBER CONCERNS (PHONE NUMBER INCORRECT/ASSIGNED TO ANOTHER VEHICLE/PHONE) THAT OCCUR DURING DIAGNOSIS OF ONSTAR SYSTEM. 2000-2005 GM PASSENGER CARS AND TRUCKS AND 2003-2005 SATURN VEHICLES WITH ONSTAR. *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
0508440012005-04-20. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. COMPACT DISC OR DVD PLAYER SKIPPING INOPERATIVE SLUGGISH AND OR LONG SEARCH TIMES. THIS INCLUDES 2005 AND PRIOR GM PASSENGER CARS TRUCKS AND SATURN MODELS.*EH
0408460042005-04-19. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. ONSTAR SYSTEM INOPERATIVE ONSTAR SYSTEM STATUS LIGHT IS RED RADIO LOCKED IN PHONE MODE OR DTC B1000. *EH
0406010342005-04-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. INSTRUCTIONS TO BE FOLLOWED TO AID IN OBTAINING ROOT CAUSE ANALYSIS ON BOTH OEM AND GOODWRENCH ENGINES TRANSMISSIONS AND TRANSFER CASES. THIS INCLUDES 2005 AND PRIOR GM PASSENGER CARS AND TRUCKS. *EH
0208460132005-04-19. Service bulletin. EQUIPMENT. ONSTAR PROACTIVE PARTS SHIPMENT PROCESS. 1996-2003 PASSENGER CARS AND TRUCKS. *TT
030920042005-04-06. Service bulletin. EQUIPMENT:MECHANICAL:CARRIER/RACK. ROOF RACK RATTLE. *TT
010844005A2005-03-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. INFORMATION ON ERROR CODES ON RADIO DISPLAY THEIR CAUSE AND CORRECTIVE ACTION. *EH
8396052005-03-12. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RADIO TELEPHONE/MOBILE RADIO (TRANSCEIVER) INSTALLATION AND TROUBLESHOOTING GUIDELINES. 1990-2005 PASSENGER CARS AND TRUCKS. ORIGINAL NOT YET RECEIVED. *TT
0401380152005-03-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. DIAGNOSTIC INFORMATION FOR MOAN GROAN OR BOOM NOISE AT IDLE VIBRATION IN STEERING WHEEL OR FELT THROUGH FLOOR WHEN AC COMPRESSOR ENGAGES DO NOT REPLACE AC COMPRESSOR. *EH
0401380142005-03-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HIGH PITCHED TONE HEARD INSIDE VEHICLE WHEN AC COMPRESSOR IS ENGAGED. *EH

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