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Service bulletins for the 2005 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.

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

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Bulletins, newest first
050220042005-04-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. NEW MODEL FEATURES IDL. *EH
070120042005-04-11. Service bulletin. UNKNOWN OR OTHER. PROPANE TYPE ODOR IN THE VEHICLE. *TT
062820042005-04-11. Service bulletin. STRUCTURE:BODY. INCORRECT LOWER CENTER GRILL. *TT
072920042005-04-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. INSTALLATION OF THE LOCKING TONAL COVER. *EH
072820042005-04-11. Service bulletin. STRUCTURE:BODY. UNDERBODY RATTLE AND BUZZING WHEN BACKING UP SLOWLY. *EH
0400890522005-03-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. UPDATED PREDELIVERY INSPECTION AND COMPLETELY SATISFIED DELIVERY SYSTEM FORMS NOW AVAILABLE. *EH
0400890572005-03-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SHIPPING ENHANCEMENTS FOR OWNERS MANUALS AND SERVICE MANUALS ORDERED FORM HELM INC. *EH
0400890532005-03-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. ENGINEERING INVESTIGATION PROCESS. *EH
0400890562005-03-14. 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 NOVEMBER 1 2004 AND NOVEMBER 8 2004. *EH
0400890512005-03-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. WARRANTY RETURN PARTS. *EH
010844005A2005-03-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. INFORMATION ON ERROR CODES ON RADIO DISPLAY THEIR CAUSE AND CORRECTIVE ACTION. *EH
8396052005-03-12. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RADIO TELEPHONE/MOBILE RADIO (TRANSCEIVER) INSTALLATION AND TROUBLESHOOTING GUIDELINES. 1990-2005 PASSENGER CARS AND TRUCKS. ORIGINAL NOT YET RECEIVED. *TT
0401380152005-03-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. DIAGNOSTIC INFORMATION FOR MOAN GROAN OR BOOM NOISE AT IDLE VIBRATION IN STEERING WHEEL OR FELT THROUGH FLOOR WHEN AC COMPRESSOR ENGAGES DO NOT REPLACE AC COMPRESSOR. *EH
0401380142005-03-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HIGH PITCHED TONE HEARD INSIDE VEHICLE WHEN AC COMPRESSOR IS ENGAGED. *EH
0401380132005-03-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC NOT COLD ENOUGH A/C COMPRESSOR DOES NOT ENGAGE . *EH
0400890472005-03-12. 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 OCTOBER 4 2004 AND OCTOBER 11 2004. *EH
0400890452005-03-12. 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 SEPTEMBER 20 2004 AND SEPTEMBER 27 2004. THIS INCLUDES 2005 AND PRIOR PASSENGER CARS AND TRUCKS. *EH
04-06-01-0292005-03-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. UNNECESSARY ENGINE CRANKCASE AND SUBSYSTEMS FLUSHING SERVICES, ADDITIVE RECOMMENDATIONS AND PROPER UTILIZATION OF GM SIMPLIFIED MAINTENANCE SCHEDULE TO ENHANCE CUSTOMER SERVICE EXPERIENCE. 2008 AND PRIOR GM CARS AND TRUCKS. *TT UPDATED 3/31/08. *NJ
0006010122005-03-11. Service bulletin. ENGINE AND ENGINE COOLING. USE OF SURFACE CONDITIONING DISKS. *EH
0408490082005-03-10. Service bulletin. TIRES. MIDDLE EAST EXPORT HUMMER H2 TIRES SERVICE AND CLUSTER ENHANCEMENT SPECIAL SERVICE PROCEDURES. *EH UPDATE. *TT
620504A2005-03-09. Service bulletin. UNKNOWN OR OTHER. OPERATING PROCEDURES - 18 POINTS. BULLETIN 62-05-04A NOT YET RECEIVED. 2005 AND PRIOR PASSENGER CARS AND TRUCKS INCLUDED. *TT
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
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
0300890022005-02-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. NEW OWNER ORENTATION CLINIC MATERIALS NOW AVAILABLE ONLINE. THIS SERVICE BULLETIN REPLACES 030089002. *EH

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