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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
0408440052004-08-16. Service bulletin. STRUCTURE:BODY. UTILIZING TECH 2 TO RETRIEVE PART NUMBERS FOR RADIOS, COMPACT DISC (CD) CHANGERS AND INSTRUMENT PANEL CLUSTERS (IPC). 2000-2004 PASSENGER CARS AND TRUCKS. *MJ 2005 MODELS ADDED. *TT
0407300132004-08-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. AUTOMATIC TRANSMISSION SHIFT, ENGINE DRIVEABILITY CONCERNS OR SERVICE ENGINE SOON (SRS) LIGHT ON AS A RESULT OF THE INSTALLATION OF AN AFTERMARKET REUSABLE, EXCESSIVELY OILED AIR FILTER. 2004 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *MJ 2005 AND PRIOR. *TT
0404950012004-08-12. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT. REVISED WHEEL DRIVE SHAFT NUT TORQUE SPECIFICATION. *TT
0400890112004-08-12. Service bulletin. UNKNOWN OR OTHER. PART AND ACCESSORY REPLACEMENT POLICY. 2004 AND PRIOR PASSENGER AUTOMOBILES AND TRUCKS AND 2004 AND PRIOR HUMMER H2. *TT
0400890102004-08-12. Service bulletin. UNKNOWN OR OTHER. NEW SERVICE BULLETIN APPEARANCE AND PRINTING INFORMATION. OTHER MODELS INCLUDING 2005 AND PRIOR PASSENGER AUTOMOBILES AND TRUCKS. *TT
0400890092004-08-12. Service bulletin. UNKNOWN OR OTHER. FIELD PRODUCT REMINDER - AUTOMOBILE AND TRUCK FIX IT RIGHT THE FIRST TIME ISSUES, PARTS RESTRICTION INFORMATION AND BULLETINS RELEASED WEEKS OF MARCH 8, 2004 AND MARCH 15, 2004. 2005 AND PRIOR PASSENGER AUTOMOBILES AND TRUCKS AND 2004 AND PRIOR HUMMER H2. *TT
0400890082004-08-12. Service bulletin. UNKNOWN OR OTHER. AUTOMOBILE AND TRUCK FIX IT RIGHT THE FIRST TIME ISSUES, PARTS RESTRICTION INFORMATION AND BULLETINS RELEASED WEEKS OF FEBRUARY 23, 2004 AND MARCH 1, 2004. 2004 AND PRIOR PASSENGER VEHICLES AND TRUCKS AND 2004 AND PRIOR HUMMER H2. *TT
020089017A2004-08-11. Service bulletin. ELECTRICAL SYSTEM. ESSENTIAL TOOLS THAT INCLUDE CONSUMABLE PARTS/ELECTRICAL TERMINALS. 2004 AND PRIOR GM PASSENGER VEHICLES AND TRUCKS AND 2004 AND PRIOR ISUZU LIGHT AND MEDIUM DUTY TRUCKS. *TT
0308640102004-08-03. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. OUTSIDE REARVIEW MIRRORS MAY BLOW IN AT HIGHWAY SPEEDS OR POWER FOLDING FEATURE APPEARS INOPERATIVE. ALSO TO INCLUDE 2005 MODELS. *TT
000522002D2004-08-03. Service bulletin. SERVICE BRAKES, HYDRAULIC. BRAKE WARRANTY SERVICE PROCEDURES. 1999-2004 ALL GM, ISUZU, SAAB AND SATURN PASSENGER VEHICLES AND LIGHT DUTY TRUCKS. *TT UPDATE. *TT UPDATE. *TT
000310002A2004-08-03. Service bulletin. SUSPENSION. CHEMICAL STAINING OF CHROME WHEELS. 2004 AND PRIOR PASSENGER VEHICLES AND TRUCKS. *TT
0406040362004-08-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. WARRANTY COVERAGE CHANGE FOR EMISSION-RELATED REPROGRAMMING EVENTS. 2005 AND PRIOR GM PASSENGER VEHICLES AND TRUCKS. *MJ
0408420092004-08-03. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS. AVAILABILITY OF REPLACEMENT REAR TAIL LAMP OUTBOARD RETAINER CLIPS AFTER LAMP ASSEMBLY REMOVAL/REPOSITIONING FOR BULB REPLACEMENT OR SERVICE. *MJ
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
0408980012004-08-02. Service bulletin. STRUCTURE:BODY. ADDITIONAL MATERIAL AND SOURCE FOR METAL PANEL BONDING ADHESIVES. 2004 PRIOR PASSENGER VEHICLES AND TRUCKS. *MJ
040849018C2004-08-02. Service bulletin. FUEL SYSTEM, OTHER. CRANKS BUT NO START, STALL, INACCURATE / INCORRECT FUEL GAUGE READING, NO FUEL, VEHICLE IS OUT OF FUEL AND FUEL GAUGE READS ABOVE EMPTY. 1999-2004 CHEVROLET, GMC AND CADILLAC TRUCKS. *MJ UPDATE. *TT
0400890192004-08-02. Service bulletin. UNKNOWN OR OTHER. VEHICLE AND TRUCK FIX IT RIGHT THE FIRST TIME ISSUES AND BULLETINS WEEKS OF MAY 3, 2004 AND MAY 10, 2004. PRIOR PASSENGER VEHICLES AND TRUCKS. *MJ
0400890162004-08-02. Service bulletin. UNKNOWN OR OTHER. FIELD PRODUCT REMINDER - FIX IT RIGHT THE FIRST TIME ISSUES AND BULLETINS RELEASED WEEKS OF APRIL 19, 2004 AND APRIL 26, 2004. ALSO INCLUDES 2005 AND PRIOR PASSENGER VEHICLES AND TRUCKS. *TT
00823A2004-07-19. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. POWER STEERING FLUID LEAKING AT HYDRAULIC BRAKE BOOSTER. *TT
01839A2004-07-19. Service bulletin. EQUIPMENT:MECHANICAL:CARRIER/RACK. ROOF RACK CROSS BAR WIND WHISTLE NOISE. SERVICE VME. *TT
013532004-07-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISFIRE DUE TO INJECTOR FRETTING CORROSION. *TT
017182004-07-16. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. STARTER CLICKS - NO CRANK CONDITION. *TT
00872A2004-07-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL PAN OR OIL COOLER LINE LEAK ON GEN III V-8 ENGINES EQUIPPED WITH AN OIL COOLER. *TT
009932004-07-12. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. OUTSIDE REARVIEW MIRROR GLASS MAY CRACK. *TT
020822004-07-12. Service bulletin. EQUIPMENT:ELECTRICAL. PASSENGER DOOR FUNCTIONS INOPERATIVE AND/OR SERVICE TIRE PRESSURE MONITOR MESSAGE. ALSO INCLUDES 2004 CHEVROLET, GMC AND CADILLAC FULL SIZE TRUCKS AND UTILITIES. *TT

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