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Service bulletins for the 2004 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.

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

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Bulletins, newest first
000235003N2008-07-14. Service bulletin. STEERING:COLUMN. CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL AND/OR STEERING COLUMN (REPLACE UPPER INTERMEDIATE STEERING SHAFT [I-SHAFT] ASSEMBLY). *PE
0708450022007-11-03. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. SERVICE ALERT: CONCERNS WITH AFTERMARKET FUSES IN GM VEHICLES 2008 AND PRIOR GM PASSENGER CARS AND LIGHT DUTY TRUCKS (INCLUDING SATURN) *NJ
44862007-10-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ONE OF THE FOLLOWING CONCERNS WHEN PROGRAMMING THE MILEAGE OR THE HOURS INTO AN EXCHANGE INSTRUMENT PANEL CLUSTER THAT IS RECEIVED FROM AN ELECTRONIC SERVICE CENTER (ESC). *NJ
0601390022007-07-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. FRONT BLOWER MOTOR INOPERATIVE OR MAY NOT SHUT OFF IN EXTREMELY LOW AMBIENT TEMPERATURE CONDITIONS. *KB
0306040302007-06-21. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. VARIOUS DRIVEABILITY FUNCTIONS DUE TO CLOGGED FUEL INJECTORS, MIL/SES DTC'S P0171, P0172, P0174, P0300, P1174, P1175. *KB UPDATED 08-15-07. *KB UPDATED 8/4/09. *PE
0000900022007-04-27. Service bulletin. TIRES. INFORMATION ON PROPER TIRE PRESSURE. ALL GM PASSENGER CARS AND LIGHT DUTY TRUCKS FROM 2007 AND PRIOR. *KB
0003100062007-03-07. Service bulletin. SUSPENSION. INFORMATION ON TIRE RADIAL FORCE VARIATION (RFV). 2008 AND PRIOR GM PASSENGER CARS AND LIGHT DUTY TRUCKS INCLUDING 2008 AND PRIOR HUMMER H2, H3 AND 2005-08 SAAB 9-7X AND 2000-05 SATURN L SERIES AND 2003-07 SATURN ION. *KB UPDATED 4/11/08. *NJ UPDATED 5/27/09. *PE
0600890242007-03-05. Service bulletin. UNKNOWN OR OTHER. CAR AND TRUCK FIX IT RIGHT THE FIRST TIME ISSUES. THIS BULLETIN INCLUDES 2007 AND PRIOR PASSENGER CARS AND TRUCKS INCLUDING SATURN. *KB
0307300072007-03-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. DELAYED ENGAGEMENT WHEN SHIFTING INTO THESE POSITIONS. PARK INTO REVERSE, NUETRAL INTO DRIVE, NUETRAL INTO REVERSE, AND PARK INTO DRIVE. THIS BULLETIN INCLUDES ALL 2000 - 2007 GM LIGHT DUTY TRUCKS. *KB
42312007-02-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE VME. SUPPLEMENT TO 00-02-35-003L. UPDATE ON NEW I-SHAFT. *KB
31362007-02-22. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION. SLIP CONDITION IN 2ND, 3RD, OR 4TH. DAMAGED 2-4 OR 3-4 CLUTCH. *KB UPDATED 10/31/07. *NJ
33402007-01-25. Service bulletin. SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE. LEFT FRONT AXLE SHAFT DIFFICULT TO REMOVE. AXLE DIFFERENTIAL LEAK SEAL SHAFT. *KB
0604210012007-01-24. Service bulletin. ELECTRICAL SYSTEM. UPDATED TRANSFER CASE CONNECTOR SERVICE KIT NOW AVAILABLE FOR TRANSFER CASE SPEED SENSOR WIRE HARNESS CONNECTOR THAT COMES LOOSE OR CONNECTOR RETAINER CLIP BREAKS. 2007 AND PRIOR GM LIGHT DUTY TRUCKS. *KB
0608450042007-01-24. Service bulletin. ELECTRICAL SYSTEM:WIRING. INSTRUMENT PANEL, BODY AND GENERAL WIRING HARNESS REPAIR. 2007 AND PRIOR GM PASSENGER CARS AND TRUCKS. *KB
0603100102007-01-08. Service bulletin. SUSPENSION. INFORMATION ON PROPER WHEEL CHANGING PROCEDURES AND CAUTIONS. 2007 AND PRIOR GM PASSENGER CARS AND TRUCKS INCLUDING SATURN. *KB
0500890782007-01-08. Service bulletin. FUEL SYSTEM, GASOLINE. FUEL SYSTEM TREATMENT PLUS, FUEL SENDING UNIT CORROSION AND FUEL SYSTEM DEPOSITS. 2007 AND PRIOR GM PASSENGER CARS AND TRUCKS INCLUDING SATURNS. *KB
0506040352006-05-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; FUEL SYSTEM, GASOLINE. USAGE OF E85 FUELS IN GM VEHICLES. 1997 - 2008 ALL GM CARS AND TRUCKS. 1997 - 2008 ALL SATURN VEHICLES. *TT UPDATED. *KB UPDATED ON 10/22/07. *NJ
0603080022006-05-05. Service bulletin. SUSPENSION:FRONT:CONTROL ARM:UPPER ARM. REVISED UPPER CONTROL ARM REPLACEMENT. *TT
0503100202006-03-31. Service bulletin. TIRES. USE OF NITROGEN GAS IN TIRES. *AK 2015 AND PRIOR GM PASSENGER CARS & TRUCKS (INCLUDING SATURN) ALSO 2008 AND PRIOR HUMMER H2, H3, SAAB 9-7X. UPDATED 5/12/08. *NJ UPDATED 04/15/2014 *JS
3287B2006-01-06. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. HEATED SEAT INOPERATIVE OR SHUT OFF IN 30 SECONDS. DIAGNOSTIC TROUBLE CODES B2435, B2440, B3606 AND/OR B1825 SET IN THE DRIVERS SEAT MODULE. *TT
0006040332005-12-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. I/M READINESS AS PART OF EMISSION INSPECTION AND MAINTENANCE PROGRAM FOR OBD II VEHICLES. *TT
0508500122005-11-30. Service bulletin. SEATS. UNWANTED/LOOSE SEAT MOVEMENT. *TT
0503090072005-11-09. Service bulletin. SUSPENSION. REVISED SHOCK ABSORBER BOLT TIGHTENING SPECIFICATION. *TT
0508660042005-11-09. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. NEW LIFTGATE STRUT BALL STUD TIGHTENING SPECIFICATION. *TT
0506030022005-11-09. Service bulletin. ELECTRICAL SYSTEM. BATTERY AND CHARGING SYSTEM ELECTRICAL DIAGNOSTICS. 1997 - 2006 ALL GM CARS AND TRUCKS. *TT

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