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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
0400890132005-03-09. Service bulletin. UNKNOWN OR OTHER. FIELD PRODUCT REMINDER - CAR AND TRUCK FIX IT RIGHT THE FIRST TIME ISSUES AND BULLETINS RELEASED WEEKS OF MARCH 22, 2004 AND MARCH 29, 2004. *TT
0408430032005-03-08. Service bulletin. STRUCTURE:BODY. REPLACEMENT OF WINDSHIELD WIPER INSERTS. THIS INCLUDES 2002-04 GM PASSENGER CARS AND LIGHT DUTY TRUCKS. *EH
0406010132005-03-08. Service bulletin. ENGINE AND ENGINE COOLING. INFORMATION ON SERPENTINE BELT WEAR. *EH
010310012A2005-03-08. Service bulletin. SUSPENSION. GUIDELINES FOR USING E2020-WHEEL ALIGNMENTS, E2000-TOE ADJUST AND E0200, E0201, E0203, E0204-WHEEL BALANCE. 1989-2005 PASSENGER CARS AND LIGHT DUTY TRUCKS. BULLETIN 01-03-10-012A NOT YET RECEIVED. *TT
010310003A2005-03-08. Service bulletin. SUSPENSION. GM OF CANADA NEW VEHICLE LIMITED WARRANTY TIRE PROGRAM. 1996-2005 ALL PASSENGER CARS AND LIGHT DUTY TRUCKS. ORIGINAL WAS NOT RECEIVED. *TT
030089008A2005-03-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. CORROSION PROTECTION FOR DEALER INSTALLED ACCESSORIES FASTENED TO METAL PANELS. THIS INCLUDES 2004 AND PRIOR PASSENGER CARS AND TRUCKS. THIS SERVICE BULLETIN REPLACES 030089008. *EH
010897001B2005-03-08. Service bulletin. STRUCTURE:BODY. HOMELINK TRANSCEIVER GARAGE DOOR OPENER TRANSMITTER TEST KIT AVAILABLE AS ESSENTIAL TOOL. THIS SERVICE BULLETIN REPLACES 010897001. THIS ALSO INCLUDES 2004 AND PRIOR GM PASSENGER CARS AND TRUCKS. *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
0300890192005-03-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FIELD PRODUCT REMINDER CAR AND TRUCK FIX IT RIGHT THE FIRST TIME ISSUES AND BULLETINS RELEASED WEEKS OF JULY 7 2003 AND JULY 14 2003. *EH
0300890172005-03-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FIELD PRODUCT REMINDER CAR AND TRUCK FIX IT RIGHT THE FIRST TIME ISSUES AND BULLETINS RELEASED WEEKS OF JUNE 16 2003 AND JUNE 23 2003. *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
0408520052005-03-07. Service bulletin. EQUIPMENT. REMOTE KEYLESS ENTRY (RKE) SYSTEM INOPERATIVE. *TT
04060404452005-03-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LIFE MONITORING SYSTEM - PCM RESET. 2004 ALL GM PASSENGER CARS AND TRUCKS. *TT
0403990012005-02-17. Service bulletin. SUSPENSION. NEW AIR SUSPENSION PRESSURIZATION PROCEDURE. *EH
0400890242005-02-17. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FIELD PRODUCT REMINDER CAR AND TRUCK FIX IT RIGHT THE FIRST TIME ISSUES AND BULLETINS RELEASED WEEKS OF MAY 31, 2004 AND JUNE 7, 2004. *EH
00400890212005-02-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FIELD PRODUCT REMINDER CAR AND TRUCK FIX IT RIGHT THE FIRST TIME ISSUES AND BULLETINS RELEASED WEEKS OF MAY 17, 2004 AND MAY 24, 2004. *EH
0406040432005-02-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. UNABLE TO RESET ENGINE OIL LIFE MONITOR. *TT
0208440072005-02-16. Service bulletin. STRUCTURE:BODY. NEGATIVE IMPACT OF DEALER INSTALLED CLOTH VINYL ROOFS ON XM RADIO AND OR ONSTAR SYSTEMS. THIS SERVICE BULLETIN REPLACES 020844007. *EH
0406010192005-02-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM PERFORMANCE PARTS ENGINE WARRANTY Q & A. 2004 AND PRIOR GM PASSENGER CANS AND TRUCKS. *TT
0003100022005-02-15. Service bulletin. WHEELS. CHEMICAL STAINING OF CHROME WHEELS. *EH
0400890262005-02-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CAR AND TRUCK FIX IT RIGHT THE FIRST TIME ISSUES AND BULLETINS RELEASED WEEKS OF JUNE 14 2004 AND JUNE 21 2004. *EH
0206030102005-02-12. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. BATTERY PARASITIC DRAIN. THIS SERVICE BULLETIN REPLACES 020603010. *EH
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
0002350032005-02-11. Service bulletin. STEERING. CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL. *EH UPDATED *EH UPDATED. *KB
0000890272005-02-11. Service bulletin. STRUCTURE:BODY. ELIMINATING UNWANTED ODORS IN VEHICLES. *EH

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