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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
010842001B2004-03-02. Service bulletin. EXTERIOR LIGHTING. EXTERIOR LAMP CONDENSATION AND REPLACEMENT GUIDELINES. VARIOUS MODELS INCLUDING 1993-2006 PASSENGER CARS AND LIGHT AND MEDIUM DUTY TRUCKS. *TT
000089008E2004-03-02. Service bulletin. UNKNOWN OR OTHER. SOME CUSTOMERS MAY WANT TO TOW THEIR VEHICLE BEHIND ANOTHER VEHICLE WITH ALL FOUR TIRES ONT HE GROUND. THIS BULLETIN PROVIDES INFORMATION REGARDING RECREATIONAL (DINGHY) TOWING FOR CERTAIN VEHICLES INCLUDING 1988-2004 CHEVROLET AND GMC LIGHT DUTY TRUCKS. *TT
014832004-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). VEHICLE HAS NO PCM (POWER TRAIN CONTROL MODULE) COMMUNICATION WITH TECH 2. SIT BULLETIN 1400427. *TT
015022004-03-01. Service bulletin. POWER TRAIN. 4L65E TRANSMISSION SHIFTS FREQUENTLY. SERVICE VME. SIT BULLETIN 1402886. *TT
007022004-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SLIP CONDITION IN 2ND, 3RD OR 4TH DAMAGED 2-4 BAND 3-4 CLUTCH ON THE 4L60E/4L65E AUTOMATIC TRANSMISSION. *TT *MJ
00969A2004-02-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE WHISTLE NOISE. *TT
015922004-02-27. Service bulletin. ELECTRICAL SYSTEM. 2003-2004 GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION EXPLANATION. SIT BULLETIN 1416474. *TT
015552004-02-25. Service bulletin. SUSPENSION. D HEIGHT SPECIFICATION MISSING FROM SI. SIT BULLETIN 1410632. *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
0302350062004-02-10. Service bulletin. STEERING. REVISED STEERING WHEEL REPLACEMENT PROCEDURE. *TT
020848001A2004-02-10. Service bulletin. STRUCTURE:BODY. URETHANE ADHESIVES FOR STATIONARY GLASS AND OTHER APPLICATIONS. 2004 AND PRIOR PASSENGER CARS AND TRUCKS AND 2004 AND PRIOR ISUZU TRUCKS. *TT
010730038B2004-02-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE TRANSMISSION FEELS LIKE IT SHIFTS TO NEUTRAL OR A LOSS OF DRIVE OCCURS. *TT
0130032004-01-30. Service bulletin. STRUCTURE:BODY. FRONT-END CLUNK OR OIL CANNING SOUND THAT TENDS TO OCCUR OVER CERTAIN ROAD CONDITIONS. GM VOICEMAIL EXPRESS. *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
0116032004-01-30. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. HEADLAMPS AIMED TOO HIGH. GM VOICEMAIL EXPRESS. *TT
0114032004-01-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. AFTERMARKET AIR INDUCTION SYSTEMS EXPERIENCING ENGINE FAILURES AS A RESULT OF WATER INGESTION. GM VOICEMAIL EXPRESS. *TT
0923032004-01-28. Service bulletin. SEAT BELTS:FRONT. FRONT PASSENGER SEATBELT ASSEMBLY REPLACEMENT. GM VOICEMAIL LOG. *TT
0926032004-01-28. Service bulletin. STEERING:LINKAGES:TIE ROD ASSEMBLY. WHEN REPLACING THE INNER TIE ROD IT IS NOT NECESSARY TO REPLACE THE ENTIRE STEERING LINKAGE RELAY ROD KIT. GM VOICEMAIL LOG. *TT
1022032004-01-26. Service bulletin. POWER TRAIN. TRANSMISSION SHIFT BEHAVIOR. GM VOICEMAIL LOG. *TT
030234001A2004-01-07. Service bulletin. STEERING:LINKAGES:TIE ROD ASSEMBLY. INNER TIE ROD RELEASED FOR SERVICE. *TT
030089006B2004-01-07. Service bulletin. UNKNOWN OR OTHER. NEW VEHICLE PRE-DELIVERY INSPECTION - GENERATING HIGHER CSI SCORES. 2003 - 2004 HUMMER H2 AND ALL 2003-2004 CARS AND TRUCKS. *TT UPDATED *EH
000310003F2004-01-06. Service bulletin. SUSPENSION. GM NEW VEHICLE TIRE WARRANTY PROGRAM. INCLUDING 1996 - 2004 PASSENGER CARS AND LIGHT DUTY TRUCKS AND 2003-2004 HUMMER H2. THIS BULLETIN REPLACED BULLETIN 00-03-10-003D DATED 01/2003. *TT THIS BULLETIN REPLACED BULLETIN 00-03-10-003F. *TT
0306040602004-01-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION ON NEW SPARK PLUGS AND GAPPING. VARIOUS MODELS INCLUDING PONTIAC GTO 2004. *TT
0308660112004-01-03. Service bulletin. TIRES:TEMPORARY/EMERGENCY SPARE TIRE. STINGER MAC ACCESSORIES (SMA) SPARE TIRE CARRIER MAY RATTLE OVER ROUGH SURFACES, T-PIN LOCK DIFFICULT TO REMOVE. *TT
990940005B2004-01-03. Service bulletin. SEAT BELTS:FRONT:ANCHORAGE. SEAT BELT EXTENDER AVAILABILITY. GM MODELS 2014 AND PRIOR GM CARS AND TRUCK. *TT

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