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Service bulletins for the 2003 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.

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

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Bulletins, newest first
031020052005-05-10. Service bulletin. STRUCTURE:BODY. THE A PILLAR SUNROOF DRAIN HOSE MAY BE MISROUTED AND WATER MAY BE ENTERING THE AIR INLET OF THE HVAC CASE. *EH
031020052005-05-10. Service bulletin. STEERING. STEERING GEAR WHISTLE NOISE ON TURNS. *EH
0108420012005-05-04. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. HEADLAMPS CONDENSATION AND REPLACEMENT GUIDELINES. KAPERII. *TT 1993-2008 GM PASSENGER CARS AND TRUCKS INCLUDING SATURN. *KB UPDATED 2/26/08. *NJ
070120042005-04-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. OIL LIFE SYSTEM RESET PROCEDURES-TRUCKS. BUICK TERAZZA 2005, GMC SIERRA DENALI 2002-2003, GMC B7 CHASSIS MEDIUM DUTY 2003-2005 AND GMC 560 C-SERIES 2003-2005 *SC
012020052005-04-22. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. WINDSHIELD WIPER PULSE FUNCTION. *TT
34052005-04-21. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. WINDSHIELD WIPER PULSE FUNCTION. *TT
33862005-04-21. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM. LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *TT
30452005-04-20. Service bulletin. ENGINE AND ENGINE COOLING. SHUDDER OR BIND ON TRUNS IN 4 HI. *EH UPDATED 03-01-07. *KB
33822005-04-20. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH. IGNITION KEY CAN NOT BE ROTATED IN STEERING COLUM LOCK CYLINDER. THIS INCLUDES 1999-05 CHEVROLET AND GMC FULL SIZE TRUCKS AND UTILITY. *EH
0508440012005-04-20. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. COMPACT DISC OR DVD PLAYER SKIPPING INOPERATIVE SLUGGISH AND OR LONG SEARCH TIMES. THIS INCLUDES 2005 AND PRIOR GM PASSENGER CARS TRUCKS AND SATURN MODELS.*EH
0503080022005-04-19. Service bulletin. SUSPENSION. REPLACEMENT OF SHOCK ABSORBERS AND STRUTS AND USE OF LABOR OPERATION. THIS ALSO INCLUDES 2005 AND PRIOR PASSENGERS CARS AND TRUCKS ALSO INCLUDE SATURN VEHICLES. *EH
0408460042005-04-19. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. ONSTAR SYSTEM INOPERATIVE ONSTAR SYSTEM STATUS LIGHT IS RED RADIO LOCKED IN PHONE MODE OR DTC B1000. *EH
0406010342005-04-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. INSTRUCTIONS TO BE FOLLOWED TO AID IN OBTAINING ROOT CAUSE ANALYSIS ON BOTH OEM AND GOODWRENCH ENGINES TRANSMISSIONS AND TRANSFER CASES. THIS INCLUDES 2005 AND PRIOR GM PASSENGER CARS AND TRUCKS. *EH
0208460132005-04-19. Service bulletin. EQUIPMENT. ONSTAR PROACTIVE PARTS SHIPMENT PROCESS. 1996-2003 PASSENGER CARS AND TRUCKS. *TT
000310003G2005-04-19. Service bulletin. SUSPENSION. GM NEW VEHICLE TIRE WARRANTY PROGRAM. *TT 1996-2005 PASSENGER CARS AND LIGHT DUTY TRUCKS. *TT
070120042005-04-11. Service bulletin. UNKNOWN OR OTHER. PROPANE TYPE ODOR IN THE VEHICLE. *TT
100920022005-04-08. Service bulletin. LATCHES/LOCKS/LINKAGES. CENTER CONSOLE LATCH REPLACEMENT PROCEDURE. *TT
101120022005-04-08. Service bulletin. STRUCTURE:BODY. LOWER LIP GATE MOLDING WAVY LOOSE OR FALLING OFF. *EH
081820042005-04-07. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. SINGLE REAR AIR SUSPENSION COMPRESSOR DISCONTINUED AND IS REPLACED WITH THE DUAL AIR COMPRESSOR USED ON THE 2005 MODEL. *TT
012920042005-04-06. Service bulletin. TIRES. TIRE PUNCTURE REPAIR PROCEDURES FOR GM VEHICLES, BOTH CARS AND LIGHT-DUTY TRUCKS, DUE TO ROAD DEBRIS BEING ENCOUNTERED. *TT
030920042005-04-06. Service bulletin. EQUIPMENT:MECHANICAL:CARRIER/RACK. ROOF RACK RATTLE. *TT
022620042005-04-06. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. WIND WHISTLE HEARD COMING FROM THE ROOF AREA. *TT REVISED INFORMATION. *TT
021320042005-04-06. Service bulletin. ELECTRICAL SYSTEM:IGNITION. IGNITION KEY CAN NOT BE REMOVED FROM THE LOCK CYLINDER - SERVICE TIP. *TT
020920042005-04-06. Service bulletin. STRUCTURE:BODY. ICE BUILDUP IN THE AREA OF THE FRONT LOWER DOOR HINGE PILLARS. *TT
010844005A2005-03-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. INFORMATION ON ERROR CODES ON RADIO DISPLAY THEIR CAUSE AND CORRECTIVE ACTION. *EH

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