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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
0401380132005-03-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC NOT COLD ENOUGH A/C COMPRESSOR DOES NOT ENGAGE . *EH
0300890212005-03-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. NEW VEHICLE PRE DELIVERY INSPECTION PERCEIVED FUEL ECONOMY AND DRIVER INFORMATION CENTER SETTINGS. *EH
990138006A2005-03-07. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. J-43600 ACR 2000 ESSENTIAL REFRIGERANT RECOVER/RECHARGE EQUIPMENT. 1993-2005 PASSENGER CARS AND LIGHT TRUCKS. *TT
010138006B2005-02-11. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. CONTAMINATED R134A A/C SYSTEMS - AIR CONDITIONING SYSTEM FLUSHING PROCEDURES AND GUIDELINES. INCLUDING 1993-2004 PASSENGER CARS AND LIGHT DUTY TRUCKS. *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
010138006C2004-11-22. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. CONTAMINATED R-134A AIR CONDITIONING SYSTEMS -AIR CONDITIONING SYSTEM FLUSHING PROCEDURES AND UNIVERSAL IN-LINE AIR CONDITIONING FILTER INSTALLATION. 1993 - 2005 PASSENGER VEHICLES AND LIGHT DUTY TRUCKS. *TT
30442004-11-17. Service bulletin. EQUIPMENT. GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION. *TT
31792004-11-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. AUTOMATIC DUAL ZONE HVAC BATTERY DRAW SUPPLEMENT TO 02-01-39-007A. *TT
30392004-10-14. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. AUTO VOLUME INOPERATIVE AFTER IGNITION KEY IS CYCLED. VARIOUS MODELS INCLUDING 03-04 CADILLAC ALL FULL SIZE UTILITIES. *TT
3050A2004-10-13. Service bulletin. EQUIPMENT. 02-05 ONSTAR EQUIPPED VEHICLES EMITTING BEEPING NOISE BEFORE CONNECTING TO ONSTAR. *TT
30602004-10-13. Service bulletin. EQUIPMENT. KEY CODE LOOK-UP. 1990-2005 ALL MAKES/MODELS INCLUDING HUMMER H2. *TT
090520022004-09-30. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RADIO DOES NOT PRODUCE AN AUDIO SIGNAL UPON STARTUP OR LOSES IT AT TIMES, REPLACE THE BOSE AMPLIFIER. *TT
040844009A2004-08-03. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. XM DIGITAL RADIO RECEIVER ORDERING PROCESS. *MJ PARTS RESTRICTION ON ORDERING XM DIGITAL RADIO RECEIVER. 2002-2006 PASSENGER CARS AND TRUCKS (INCLUDING SATURN). *TT
01839A2004-07-19. Service bulletin. EQUIPMENT:MECHANICAL:CARRIER/RACK. ROOF RACK CROSS BAR WIND WHISTLE NOISE. SERVICE VME. *TT
020802004-07-10. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. REPEAT HVAC ACTUATOR REPLACEMENT. *TT
00372D2004-06-09. Service bulletin. EQUIPMENT:ELECTRICAL. ONSTAR SYSTEM IS ATTEMPTING AND/OR COMPLETING PHONE CALLS WHICH THE OPERATOR OF THE VEHICLE DID NOT INITIATE. *TT
01919A2004-06-09. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. REPLACEMENT RADIO READS CAL ERROR, HAS NO AUDIO OR WILL NOT PROGRAM. *TT
019192004-05-14. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. REPLACEMENT RADIO READS CAL ERROR, HAS NO AUDIO OR WILL NOT PROGRAM. *TT
018902004-05-14. Service bulletin. EQUIPMENT:MECHANICAL:CARRIER/RACK. ROOF RACK CROSS BAR RATTLE. *TT
017042004-05-03. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. PROGRAMMING CONTROL HEADS - HVAC AC. *TT
030848005A2004-03-04. Service bulletin. EQUIPMENT. COMPASS ZONE ADJUSTMENT AND CALIBRATION PROCEDURE DURING PRE-DELIVERY INSPECTION. VARIOUS MODELS INCLUDING 2002-2004 LIGHT DUTY TRUCKS. *TT UPDATE TO INCLUDE 2005 BUICK ALLURE. *TT
0301380192004-03-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. UNDERHOOD AIR CONDITIONER RATTLE NOISE HEARD ON ACCELERATION OR A SUDDEN LOSS OF AIR CONDITIONER SYSTEM PERFORMANCE. *TT THIS BULLETIN REPLACES 03-01-38-019 DATED 11-01-2003. TO INCLUDE VARIOUS MODLES INCLUDING 2002-2004 COMMERCIAL UPFITTER CHASSIS VEHICLES. *TT
0308440222004-02-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. PARTS RESTRICTION ON ORDERING XM DIGITAL RADIO RECEIVER. 2002-2004 CARS AND TRUCKS. *TT 2002-2006 PASSENGER CARS AND TRUCKS (INCLUDING SATURN). *TT
0127032004-01-30. Service bulletin. EQUIPMENT. IN THE ADVANCED SERVICE INFORMATION (SI) BULLETIN 03-08-52-001, REMOTE KEYLESS ENTRY, RKE SYSTEM INOPERATIVE, THE RECOMMENDED PROCEDURE IS TO REPROGRAM THE PASSENGER DOOR MODULE. THIS SOFTWARE IS NOT ROBUST ENOUGH TO PREVENT FUTURE CUSTOMER DISSATISFACTION. USE SI DOCUMENT 660745 FOR TRANSMITTER SYNCHRONIZATION. ALSO INCLUDES 2003 FULL-SIZE CK AND CADILLAC PICK-UP AND UTILITY TRUCKS INCLUDED. GM VOICEMAIL EXPRESS. *TT
0308520052003-12-03. Service bulletin. EQUIPMENT. DIAGNOSTIC INFORMATION FOR REPLACEMENT REMOTE KEYLESS ENTRY (RKE) TRANSMITTER INOPERATIVE - UNABLE TO SYNCHRONIZE. *TT

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