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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
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
030730007A2004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ENGAGEMENT TIME OF ELECTRONICALLY CONTROLLED TRANSMISSIONS IN GENERAL MOTORS VEHICLES. VARIOUS MODELS INCLUDING 2000-2006 ALL LIGHT DUTY TRUCKS. *TT
030605008B2004-03-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. ADVANCE SERVICE INFORMATION - EXHAUST SYSTEM POPPING/SNAPPING NOISE WHEN VEHICLE IS HOT, AT IDLE OR IMMEDIATELY AFTER VEHICLE IS SHUT OFF. *TT BULLETIN 03-06-05-008, DATED 11/01/2003 REPLACED. *TT
030848005A2004-03-04. Service bulletin. EQUIPMENT. COMPASS ZONE ADJUSTMENT AND CALIBRATION PROCEDURE DURING PRE-DELIVERY INSPECTION. VARIOUS MODELS INCLUDING 2002-2004 LIGHT DUTY TRUCKS. *TT UPDATE TO INCLUDE 2005 BUICK ALLURE. *TT
010842001B2004-03-02. Service bulletin. EXTERIOR LIGHTING. EXTERIOR LAMP CONDENSATION AND REPLACEMENT GUIDELINES. VARIOUS MODELS INCLUDING 1993-2006 PASSENGER CARS AND LIGHT AND MEDIUM DUTY TRUCKS. *TT
0305240012004-02-11. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:WHEEL CYLINDERS. SERVICE INFORMATION REGARDING SATURN REAR DRUM WHEEL CYLINDER INSPECTIONS. *TT UPDATE. *TT
0308440222004-02-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. PARTS RESTRICTION ON ORDERING XM DIGITAL RADIO RECEIVER. 2002-2004 CARS AND TRUCKS. *TT 2002-2006 PASSENGER CARS AND TRUCKS (INCLUDING SATURN). *TT
990940005B2004-01-03. Service bulletin. SEAT BELTS:FRONT:ANCHORAGE. SEAT BELT EXTENDER AVAILABILITY. GM MODELS 2014 AND PRIOR GM CARS AND TRUCK. *TT
030844018A2003-12-02. Service bulletin. EQUIPMENT. REAR SEAT AUDIO (RSA) AND/OR REAR HVAC INOPERATIVE. *TT UPDATE. *TT
0307300432003-12-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION REGARDING AUTOMATIC TRANSMISSION SHIFT LOCK CONTROL FUNCTION. VARIOUS MODELS INCLUDING 2004 AND PRIOR PASSENGER CARS AND TRUCKS. *TT UPDATING TO 2007 AND PRIOR PASSENGER CARS AND TRUCKS. *KB
0305250072003-12-02. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS (CLEAN WHEEL SPEED SENSOR MOUNTING SURFACE). *TT UPDATED 10/23/09. *PE
030091001A2003-12-01. Service bulletin. UNKNOWN OR OTHER. VIBRATION ANALYSIS WORKSHEET. VARIOUS MODELS INCLUDING 2004 AND PRIOR PASSENGER CARS AND TRUCKS. *TT *AR
020730029D2003-12-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. PRODUCT QUALITY CENTER FOR ENGINE AND TRANSMISSION ASSEMBLY AND TRANSFER CASE REPLACEMENT. VARIOUS MODELS INCLUDING 2004 AND PRIOR PASSENGER VEHICLES AND LIGHT DUTY TRUCKS. *TT 2005 AND PRIOR PASSENGER VEHICLES AND LIGHT DUTY TRUCKS. *TT
020089002B2003-12-01. Service bulletin. UNKNOWN OR OTHER. INFORMATION FOR DEALERS ON HOW TO SUBMIT A FIELD PRODUCT REPORT. 2004 AND PRIOR PASSENGER CARS AND TRUCKS. *TT *AR
030730002A2003-09-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. TRANSMISSION COOLING SYSTEM SERVICE TOOL J 45096 - TRANSFLOW INFORMATION. *TT
0306040122003-04-05. Service bulletin. ELECTRICAL SYSTEM. INSPECTION OF ALL RELATED WIRING HARNESS CONNECTIONS WHEN DIAGNOSING MISCELLANEOUS DIAGNOSTIC TROUBLE CODES, INTERMITTENT DRIVEABILITY CONCERNS, HARD START, NO START, INCORRECT GAUGES, INOPERATIVE AIR CONDITIONING SYSTEMS, SERVICE ENGINE SOON LAMPS ILLUMINATED, 4WD LAMP ILLUMINATED, INSTRUMENT PANEL GAUGES INOPERATIVE, CRUISE INOPERATIVE. 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
010730036D2003-03-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. DIAGNOSTIC TIPS FOR DIAGNOSTIC TROUBLE CODE P0756. 2006 AND PRIOR PASSENGER VEHICLES AND LIGHT DUTY TRUCKS. *TT
020730052A2003-03-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ESSENTIAL TOOL J 45096 TRANSFLOW FOR 2005 AND PRIOR PASSENGER <A TITLE="CLICK FOR MORE INFORMATION ABOUT CAR" STYLE="TEXT-DECORATION: NONE; BORDER-BOTTOM: MEDIUM SOLID GREEN;" HREF="HTTP://SEARCH.TARGETWORDS.COM/U.SEARCH?X=5977|1||||CARS|AA1VDW">CAR</A>S AND LIGHT DUTY TRUCKS WITH AUTOMATIC TRANSMISSION/TRANSAXLE. *TT
020730024A2002-10-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
0208460062002-10-03. Service bulletin. UNKNOWN OR OTHER. INCORRECT ONSTAR GLOBAL POSITION SYSTEM (GPS) LOCATION REPORTED DURING ONSTAR CALL FOR 2000 - 2002 PASSENGER CARS AND LIGHT DUTY TRUCKS WITH ONSTAR. *TT UPDATE TO ADD 2005 MODELS. *TT
0206030082002-09-28. Service bulletin. ELECTRICAL SYSTEM. LOW VOLTAGE DISPLAY ON IP GAUGE, LIGHTS DIM AT STOP LIGHTS, BATTERY DISCHARGED, NO START, SLOW CRANKING, DIM LIGHTS AT IDLE, LOW GENERATOR OUTPUT. NLM *AR INCLUDES 1990-2008 PASSENGER CARS AND LIGHT DUTY TRUCKS INCLUDING SATURN. UPDATED 07-24-07. *KB UPDATED 11/29/07. *NJ
0206030092002-09-28. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. BATTERY CHARGING TIPS - 1990-2003 PASSENGER CARS AND LIGHT DUTY TRUCKS, 1990-2003 ISUZU LIGHT DUTY TRUCKS, 2003 HUMMER H2. NLM 1990 - 2007 GM PASSENGER CARS AND LIGHT DUTY TRUCKS (INCLUDING SATURN); 1990 - 2007 ISUZU LIGHT DUTY TRUCKS. *TT
9908510072002-07-15. Service bulletin. WHEELS. THIS BULLETIN UPDATES GMCS POSITION ON REFINISHING ALUMINUM WHEELS FOR 2003 AND PRIOR PASSENGER CAR AND TRUCKS. *TT 2007 AND PRIOR PASSENGER CARS AND TRUCKS INCLUDING SATURN. UPDATED. *KB
0206040152002-05-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INTERMITTENT NO CRANK, NO START CONDITION FOR 2001-2002 PASSENGER CARS AND TRUCKS. *SLC 2001-2007 GM PASSENGER CARS AND LIGHT-DUTY TRUCKS (INCLUDING SATURN). *TT
SB-020842001B2002-05-21. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. GENERAL MOTORS VEHICLES AND TRUCKS: SUBJECT REGARDING, 2002 AND PRIOR PASSENGER CARS AND TRUCKS, CHEMICAL DAMAGE TO EXTERIOR POLYCARBONATE HEADLAMP LENSES. *SLC UPDATED *EH UPDATED 3/30/11. HEADLAMP LENS OVERHEATING WHEN COVERED AND CHEMICAL DAMAGE TO EXTERIOR POLYCARBONATE HEADLAMP LENSES. CAN CAUSE CRAZING OR CRACKING OF HEADLAMP LENS. *PE UPDATED 6/24/11. *PE UPDATED 5/14/12. INCLUDING 2013 MODEL YEAR. *PE

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