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.
By type
By component
By trouble code
By topic
| 01292004 | 2005-04-06. Service bulletin. TIRES. TIRE PUNCTURE REPAIR PROCEDURES FOR GM VEHICLES, BOTH CARS AND LIGHT-DUTY TRUCKS, DUE TO ROAD DEBRIS BEING ENCOUNTERED. *TT |
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| 03092004 | 2005-04-06. Service bulletin. EQUIPMENT:MECHANICAL:CARRIER/RACK. ROOF RACK RATTLE. *TT |
| 02262004 | 2005-04-06. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. WIND WHISTLE HEARD COMING FROM THE ROOF AREA. *TT REVISED INFORMATION. *TT |
| 02232004 | 2005-04-06. Service bulletin. UNKNOWN OR OTHER. LABORINSTALLED RPA B57, THE UP LEVEL CHROME APPEARANCE PACKAGE IS .7 HOURS. 2004 VICTORY RED LIMITED EDITION H2S. |
| 02132004 | 2005-04-06. Service bulletin. ELECTRICAL SYSTEM:IGNITION. IGNITION KEY CAN NOT BE REMOVED FROM THE LOCK CYLINDER - SERVICE TIP. *TT |
| 02092004 | 2005-04-06. Service bulletin. STRUCTURE:BODY. ICE BUILDUP IN THE AREA OF THE FRONT LOWER DOOR HINGE PILLARS. *TT |
| 010844005A | 2005-03-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. INFORMATION ON ERROR CODES ON RADIO DISPLAY THEIR CAUSE AND CORRECTIVE ACTION. *EH |
| 839605 | 2005-03-12. 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 |
| 040138015 | 2005-03-12. 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 |
| 040138014 | 2005-03-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HIGH PITCHED TONE HEARD INSIDE VEHICLE WHEN AC COMPRESSOR IS ENGAGED. *EH |
| 040138013 | 2005-03-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC NOT COLD ENOUGH A/C COMPRESSOR DOES NOT ENGAGE . *EH |
| 04-06-01-029 | 2005-03-11. 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 |
| 000601012 | 2005-03-11. Service bulletin. ENGINE AND ENGINE COOLING. USE OF SURFACE CONDITIONING DISKS. *EH |
| 040603002 | 2005-03-11. Service bulletin. ENGINE AND ENGINE COOLING. DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY. *EH |
| 040089004 | 2005-03-11. Service bulletin. UNKNOWN OR OTHER. FIELD PRODUCT REMINDER - CAR AND TRUCK FIX IT RIGHT THE FIRST TIME ISSUES, PARTS RESTRICTION INFORMATION AND BULLETINS RELEASED WEEKS OF FEBRUARY 9, 2004 AND FEBRUARY 16, 2004. 2004 AND PRIOR PASSENGER CARS AND TRUCKS. *TT |
| 040089003 | 2005-03-11. Service bulletin. UNKNOWN OR OTHER. FIELD PRODUCT REMINDER - CAR AND TRUCK FIX IT RIGHT THE FIRST TIME ISSUES, PARTS RESTRICTION INFORMATION AND BULLETINS RELEASED WEEKS OF JANUARY 26, 2004 AND FEBRUARY 2, 2004. 2004 AND PRIOR PASSENGER CARS AND TRUCKS. *TT |
| 040850003 | 2005-03-10. Service bulletin. SEAT BELTS. ENABLING MEMORY SEAT FEATURE VIA DIC IF FEATURE APPEARS INOPERATIVE. *EH |
| 040849008 | 2005-03-10. Service bulletin. TIRES. MIDDLE EAST EXPORT HUMMER H2 TIRES SERVICE AND CLUSTER ENHANCEMENT SPECIAL SERVICE PROCEDURES. *EH UPDATE. *TT |
| 040730006 | 2005-03-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L65 4L60E 4L60 AND 2004R AUTOMATIC TRANSMISSION OIL PUMP SPRING FIRST AND SECOND DESIGN IDENTIFICATION. *EH |
| 020089005 | 2005-03-10. Service bulletin. UNKNOWN OR OTHER. DEALER DISCLOSURE REQUIREMENTS. TO INCLUDE 2004 AND PRIOR PASSENGER CARS AND TRUCKS. *TT |
| 040603001 | 2005-03-10. Service bulletin. ENGINE AND ENGINE COOLING. INCORRECT AMP CODE GENERATOR. *EH |
| 010730031 | 2005-03-10. Service bulletin. POWER TRAIN. 1-2, 2-3, 3-4, 4-5 SHIFT AND TORQUE CONVERTER CLUTCH (TCC) CHARACTERISTICS DURING COLD WEATHER OPERATION ON 4L60-E, 4L80-E OR ALLISON TRANSMISSIONS. TO INCLUDE 2001-2004 CHEVROLET AND GMC LIGHT DUTY FULL-SIZE PICKUP AND UTILITY MODELS. *TT |
| 000602006 | 2005-03-10. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. DEX-COOL ENGINE COOLANT INFORMATION. 2004 AND PRIOR PASSENGER CARS AND TRUCKS. *TT |
| 620504A | 2005-03-09. 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 |
| 040089014 | 2005-03-09. Service bulletin. UNKNOWN OR OTHER. FIELD PRODUCT REMINDER - CAR AND TRUCK FIX IT RIGHT THE FIRST TIME ISSUES AND BULLETINS RELEASED WEEKS OF APRIL 5, 2004 AND APRIL 12, 2004. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.