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Service bulletins for the 2006 Hummer H3

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.

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

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By component

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Bulletins, newest first
34852005-10-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISS ON ACCELERATION AFTER SHIFTING FROM DRIVE TO REVERSE-POSSIBLE CHARACTERISTIC. *SC
34862005-10-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) LIGHT DUE TO P0455 - INSPECT FUEL FILL PIPE HOUSING POSITION. *TT
36012005-10-24. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:INTERCONNECTING ASSEMBLY(WIRING). TRAILER BRAKE CONTROLLER WIRING HARNESS LOCATION. *TT
34492005-10-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. TECH 2 DOES NOT SUPPORT CAM PHASER CONTROL - TEMPORARY SOLUTION. *TT
3338A2005-10-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. DRIVE BELT NOISE - ADJUST OR REPLACE IDLER PULLEY BRACKET. *TT POTENTIAL ALIGNMENT AND BELT ISSUES. *TT
33912005-09-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60E/4L65E AUTOMATIC TRANSMISSION MAY EXPERIENCE A CONDITION OF DISTRESSED TRANSMISSION FLUID AND/OR SLIPPING, LATE OR MISSED SHIFTS IN 2ND, 3RD, AND 4TH. *TT
0509400022005-05-16. Service bulletin. SEAT BELTS; SEAT BELTS:FRONT. SAFETY BELT LOCKING CONDITIONS (NORMAL OPERATING CHARACTERISTIC). 2005-2008 GM PASSENGER CARS AND LIGHT DUTY TRUCKS (INCLUDING SATURN) . *TT UPDATED 04-27-07. *KB UPDATED 11/29/07. *NJ
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
30452005-04-20. Service bulletin. ENGINE AND ENGINE COOLING. SHUDDER OR BIND ON TRUNS IN 4 HI. *EH UPDATED 03-01-07. *KB
0508640022005-04-19. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. DOOR LATCH FREEZING IN COLD TEMPERATURES. 2006 PASSENGER CARS AND TRUCKS. *TT INVENTORY UPGRADE BULLETIN 05016. *TT
3221C2005-01-28. Service bulletin. ENGINE AND ENGINE COOLING. SERVICE ENGINE SOON LIGHT DUE TO A P0171 DIAGNOSTIC TROUBLE CODE. *EH 3221A NOT YET RECEIVED. *TT UPDATE. *TT
0403100012005-01-03. Service bulletin. SUSPENSION; TIRES:TREAD/BELT. TIRE PUNCTURE REPAIR PROCEDURES FOR ALL CARS AND LIGHT DUTY TRUCKS. 2008 AND PRIOR GM PASSENGER CARS & LIGHT DUTY TRUCKS (INCLUDING SATURN) AND HUMMER H2, H3 AND SAAB 9-7X. *TT UPDATED. *KB UPDATED 4/11/08. *NJ UPDATED 8/4/09. *PE
31702004-12-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HARSH 1-2 SHIFT. *EH
31362004-11-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THE 4L60E/4L65E AUTOMATIC TRANSMISSION SLIP CONDITION IN 2ND, 3RD, OR 4TH GEAR. ALSO TO INCLUDE THE PONTIAC GTO 2005. *TC
3046A2004-09-27. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL. *TT
040844009A2004-08-03. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. XM DIGITAL RADIO RECEIVER ORDERING PROCESS. *MJ PARTS RESTRICTION ON ORDERING XM DIGITAL RADIO RECEIVER. 2002-2006 PASSENGER CARS AND TRUCKS (INCLUDING SATURN). *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
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
000089008E2004-03-02. Service bulletin. UNKNOWN OR OTHER. SOME CUSTOMERS MAY WANT TO TOW THEIR VEHICLE BEHIND ANOTHER VEHICLE WITH ALL FOUR TIRES ONT HE GROUND. THIS BULLETIN PROVIDES INFORMATION REGARDING RECREATIONAL (DINGHY) TOWING FOR CERTAIN VEHICLES INCLUDING 1988-2004 CHEVROLET AND GMC LIGHT DUTY TRUCKS. *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
0303100072004-02-10. Service bulletin. SUSPENSION. COLD TIRE/WEATHER CHARACTERISTICS OF GM ORIGINAL EQUIPMENT V-SPEED RATED TIRES. *TT 2006 AND PRIOR CARS AND LIGHT DUTY 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
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
0306040302003-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *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

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