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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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Bulletins, newest first
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
01634A2004-06-09. Service bulletin. STEERING. SUPPLEMENT TO 00-02-35-003D - CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *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
010120042004-06-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GENERAL INFORMATION ON RESETTING THE GM OIL LIFE SYSTEM. 03-05 CHEVROLET ALL FULL SIZE TRUCKS AND UTILITIES AND 03-05 GMC ALL FULL SIZE TRUCKS AND UTILITIES AND 03-05 CADILLAC FULL SIZE UTILITIES AND 2005 HUMMER H2. *TT
015992004-06-04. Service bulletin. POWER TRAIN. 4L60E, 4L65E FORWARD AND LOW REVERSE WAVED STEEL CLUTCH PLATE APPEARANCE CHANGE. *TT
016342004-06-04. Service bulletin. STEERING. INTERMEDIATE STEERING SHAFT SERVICE KIT. SERVICE VME. *TT
01997B2004-06-04. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. ONE OR SEVERAL OF THE FASTENING NUTS ON THE BACKSIDE OF THE FUEL FILLER DOOR ASSEMBLY WERE NOT ORIENTED PROPERLY CAUSING AN INTERFERENCE WITH THE VEHICLE'S FUEL FILLER DOOR OPENING WHEN ATTEMPTING TO INSTALL THIS ACCESSORY ONTO THE VEHICLE. SERVICE VMW CONCERNING CHROME FUEL FILLER DOOR ASSEMBLY INSTALLATION. *NM
016692004-06-03. Service bulletin. SUSPENSION:REAR. SQUEAK AT REAR OF VEHICLE.*MR
020032004-05-25. Service bulletin. SUSPENSION. MISSING ALIGNMENT DOWEL PIN. ALL 1999-2004 CHEVROLET FULL SIZE TRUCKS AND UTILITIES, 1999-2004 GMC FULL SIZE TRUCKS AND UTILITIES, 2002-2004 CADILLAC FULL SIZE TRUCKS AND UTILITIES. *MR
020072004-05-25. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. POWER FOLDING MIRRORS WILL NOT FOLD INWARD.*MR
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
017102004-05-03. Service bulletin. STRUCTURE:BODY. RATTLE IN REAR STOWAGE. SERVICE VME. SIT BULLETIN 1454806. *TT
017042004-05-03. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. PROGRAMMING CONTROL HEADS - HVAC AC. *TT
016912004-04-30. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. REAR LIFTGATE RATTLE, CHUCKING NOISE. SIT BULLETIN 1442699. *TT
017432004-04-27. Service bulletin. STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS. SERVICE VME - ICE ACCUMULATION AT THE LOWER FRONT DOOR HINGE PILLARS. SIT BULLETIN 1460391. *TT
030861003A2004-03-05. Service bulletin. STRUCTURE:BODY. PAINT PEELING FROM SIDE ASSIST STEP. *TT UPDATED *EH
030730007A2004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ENGAGEMENT TIME OF ELECTRONICALLY CONTROLLED TRANSMISSIONS IN GENERAL MOTORS VEHICLES. VARIOUS MODELS INCLUDING 2000-2006 ALL LIGHT DUTY TRUCKS. *TT
030605008B2004-03-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. ADVANCE SERVICE INFORMATION - EXHAUST SYSTEM POPPING/SNAPPING NOISE WHEN VEHICLE IS HOT, AT IDLE OR IMMEDIATELY AFTER VEHICLE IS SHUT OFF. *TT BULLETIN 03-06-05-008, DATED 11/01/2003 REPLACED. *TT
0307300562004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *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
0306040622004-03-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. THIS BULLETIN IS BEING ISSUED TO REVISE STEP 4 OF DIAGNOSTIC TROUBLE CODE (DTC) P2135. *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
020604057D2004-03-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LABOR OPERATION ASSIGNMENTS FOR CONTROL MODULE PROGRAMMING. VARIOUS MODELS INCLUDING 2004 AND PRIOR PASSENGER CARS AND TRUCKS, 2003-2004 KODIAK C4500-C8500 AND TOPKICK C4500-C8500 SERIES MODELS. *TT
020089006A2004-03-02. Service bulletin. UNKNOWN OR OTHER. NEW ADD TIME FOR LABOR OPERATION L2300 - CONVERTER, OXIDATION CATALYTIC - REPLACE. OTHER MODELS INCLUDING 2004 AND PRIOR PASSENGER CARS AND TRUCKS . *TT

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