NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
237 reports40,000 miles · May 22, 2012
Electrical SystemUnknown Or Other
MY VEHICLE HAS A VERY COMMON ISSUE WITH A FAULTY RESISTOR/WIRING HARNESS ON THE BLOWER MOTOR. THERE IS A SAFETY RECALL FOR THE SAME PROBLEM ON OTHER GM TRUCKS & VEHICLES AND THE PROBLEM IS WIDELY KNOWN/REPORTED ON THE INTERNET. FOR SOME REASON GM REFUSES TO ISSUE/FIX THIS RECALL FOR THE HUMMER H3? THE PROBLEM CAUSES THE WIRIN…
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MY VEHICLE HAS A VERY COMMON ISSUE WITH A FAULTY RESISTOR/WIRING HARNESS ON THE BLOWER MOTOR. THERE IS A SAFETY RECALL FOR THE SAME PROBLEM ON OTHER GM TRUCKS & VEHICLES AND THE PROBLEM IS WIDELY KNOWN/REPORTED ON THE INTERNET. FOR SOME REASON GM REFUSES TO ISSUE/FIX THIS RECALL FOR THE HUMMER H3? THE PROBLEM CAUSES THE WIRING TO GET SO HOT TO MELT THE INSULATION, WHICH COULD CAUSE A FIRE. I PARK MY VEHICLE IN AN ATTACHED GARAGE. *TT
NHTSA ODI #10459267
70,000 miles · Apr 12, 2012
Engine And Engine Cooling
TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 20 MPH, THE ENGINE STALLED WITHOUT WARNING AND RESTARTED. THE FAILURE OCCURRED FOUR TIMES. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSIS AND THEY WERE UNABLE TO DUPLICATE OR DETERMINE THE CAUSE OF FAILURE. THE MANUFACTURER WA…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 20 MPH, THE ENGINE STALLED WITHOUT WARNING AND RESTARTED. THE FAILURE OCCURRED FOUR TIMES. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSIS AND THEY WERE UNABLE TO DUPLICATE OR DETERMINE THE CAUSE OF FAILURE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 70,000.
NHTSA ODI #10454939
35,000 miles · Feb 19, 2012
Electrical SystemEngine And Engine CoolingVehicle Speed Control
EVER SINCE I PURCHASED THIS VEHICLE, THE VEHICLE HAS STALLED AT BETWEEN 25MPH AND 0. I WORK FOR THE US CENSUS BUREAU, PERMANENT WORKER AND I TRAVEL THROUGH ALL TYPES OF WEATHER CONDITIONS IN A DAY, FROM 9,000 FT MOUNTAINS COVERED IN SNOW TO DESERT GRAVEL ROADS, MESAS, CLIFFS. OVER THE PAST TWO YEARS THE VEHICLE HAS SHUT OFF …
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EVER SINCE I PURCHASED THIS VEHICLE, THE VEHICLE HAS STALLED AT BETWEEN 25MPH AND 0. I WORK FOR THE US CENSUS BUREAU, PERMANENT WORKER AND I TRAVEL THROUGH ALL TYPES OF WEATHER CONDITIONS IN A DAY, FROM 9,000 FT MOUNTAINS COVERED IN SNOW TO DESERT GRAVEL ROADS, MESAS, CLIFFS. OVER THE PAST TWO YEARS THE VEHICLE HAS SHUT OFF WHILE TRAVERSING MOUNTAIN ROADS COVERED IN SNOW WITH NO GUARD RAILS, AND THREE TIMES, WHEN THE ENGINE SHUT OFF, I LOST STEERING AND CAME WITHIN INCHES OF GOING OFF THE SIDE (CLIFFS) OF THESE ROADS, NOT TO MENTION IN TOWN, WHEN MY ENGINE SHUTS OFF AS I DRIVE, I HAVE COME CLOSE TO HITTING OTHER VEHICLES OR POLES AS I LOSE POWER STEERING ON A TURN.. I HAVE TO DRIVE ABOUT 90 MILES ONE WAY TO GET IT SERVICED, WHILE UNDER WARRANTY, I HAD IT "REPAIRED" ABOUT FIVE TIMES, NO SUCCESS, ONCE WARRANTY EXPIRED, GM DEALERS 90 MILES AWAY WERE STILL WILLING TO INSPECT VEHICLE SINCE PROBLEMS STARTED WHILE UNDER FULL GM WARRANTY, BUT NOW, THEY REFUSE TO GIVE ME A RENTAL AND TELL ME THEY DO NOT KNOW WHAT THE PROBLEM IS. MY LOCAL GM DEALER (ALAMOGORDO) REFUSES TO INSPECT VEHICLE AND THUS I AM REQUIRED TO MAKE A 180 MILE ROUND TRIP, BUT NOW, EVEN DEALER TELLS ME THEY DO NOT KNOW WHAT THE ISSUE IS AND THEY CANNOT REPRODUCE THE PROBLEM IN THE SHOP. I TOOK ABOUT 6 VIDEOS WITH MY DROID AFTER THE PROBLEM HAPPENS, BECAUSE THE PROBLEM LINGERS FOR ABOUT 15 MINUTES, THEN IT STOPS AND THE VEHICLE WORKS FINE. THE VIDEOS HOW THE RPM'S GOING UP AND DOWN, UP AND DOWN, UNTIL THE CAR SHUTS OFF, I RESTART IT, THEN IT SHUTS OFF AGAIN, OVER AND OVER AGAIN. PROBLEMS USUALLY APPEAR IN THE AM, AS I DRIVE OFF FOR THE FIRST TIME, BEFORE IT IS DRIVEN A GOOD DISTANCE, BUT CAN AND HAS HAPPENED AT ANY MOMENT. VERY DANGEROUS AND I DO NOT FEEL SAFE EACH MORNING AS I LEAVE MY MOUNTAIN HOME, ESPECIALLY IN COLD SNOW WEATHER. *TR
NHTSA ODI #10448482
36,500 miles · Nov 30, 2011
Suspension
TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WHEN MAKING A RIGHT TURN, THE VEHICLE WOULD MAKE A HARD PUMPING SOUND. THE DEALER DIAGNOSED NO FAILURE WITH THE VEHICLE, BUT THE CONTACT BELIEVES THERE WAS AN AXLE ISSUE. THE MANUFACTURER WAS NOT CONTACTED AND THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WHEN MAKING A RIGHT TURN, THE VEHICLE WOULD MAKE A HARD PUMPING SOUND. THE DEALER DIAGNOSED NO FAILURE WITH THE VEHICLE, BUT THE CONTACT BELIEVES THERE WAS AN AXLE ISSUE. THE MANUFACTURER WAS NOT CONTACTED AND THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 36,500 AND THE CURRENT MILEAGE WAS 37,000. THE VIN WAS UNAVAILABLE.
NHTSA ODI #10437888
60,000 miles · Oct 18, 2011
Tires
OWN 2007 H3 HUMMER. TPM MONITOR HAS BEEN GOING OFF SINCE 15,000 MILES. HAS BEEN TO DEALER 5 TIMES AND THEY JUST KEEP RE-SETTING TPM. TIRE PRESSURES NORMAL. NOW 60,000 AND SERVICE TPM STILL FLASHING ON DASH. TIRE SIZE 265/75/16 GOODYEAR WRANGLER RT/S. TIRES ARE CRACKED AROUND RIM AND SIDEWALL THERE IS NO DOT NUMBER ON ANY TIRE!!!…
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OWN 2007 H3 HUMMER. TPM MONITOR HAS BEEN GOING OFF SINCE 15,000 MILES. HAS BEEN TO DEALER 5 TIMES AND THEY JUST KEEP RE-SETTING TPM. TIRE PRESSURES NORMAL. NOW 60,000 AND SERVICE TPM STILL FLASHING ON DASH. TIRE SIZE 265/75/16 GOODYEAR WRANGLER RT/S. TIRES ARE CRACKED AROUND RIM AND SIDEWALL THERE IS NO DOT NUMBER ON ANY TIRE!!!. NEW ONES ON ORDER. *TR
NHTSA ODI #10430635
63,000 miles · Jun 5, 2011
Electrical SystemVisibility
HVAC BLOWER FAN HARNESS/CONECTOR BURNT FAN NO OPERATING FOUND FIX ON HUMMER FORUM. *TR
NHTSA ODI #10404473
63,500 miles · May 31, 2011
Visibility
EVERY TIME IT RAINS THE SUNROOF FILLS WITH WATER AND POURS FROM THE ONSTAR SPEAKER, THE TOP OF THE CAR, AND THE SIDES ONTO MY FEET. *TR
NHTSA ODI #10403920
98,000 miles · May 9, 2011
Air BagsInjury
TL*THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED WHILE DRIVING 35 MPH, THE SIDE AIR BAGS DEPLOYED WITHOUT PROVOCATION. THE DRIVER SUFFERED BRUISING. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THEY INFORMED IT WOULD TAKE BETWEEN TWENTY AND THIRTY DAYS TO EXAMINE THE VEHICLE. THE FAILURE WAS BELIEVED TO BE DUE T…
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TL*THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED WHILE DRIVING 35 MPH, THE SIDE AIR BAGS DEPLOYED WITHOUT PROVOCATION. THE DRIVER SUFFERED BRUISING. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THEY INFORMED IT WOULD TAKE BETWEEN TWENTY AND THIRTY DAYS TO EXAMINE THE VEHICLE. THE FAILURE WAS BELIEVED TO BE DUE TO FAULTY SIDE AIR BAG SENSORS. THE MANUFACTURER WAS NOTIFIED AND STATED THEY WOULD SEND A REPRESENTATIVE TO THE DEALER WITHIN THE NEXT TWENTY TO THIRTY DAYS TO INSPECT THE VEHICLE. THE VEHICLE WAS REPAIRED FOR ROUTINE MAINTENANCE TWO WEEKS PRIOR TO THE FAILURE. THE CONTACT ALSO STATED THEY WERE UNSURE WHETHER THE FAILURE WOULD BE COVERED UNDER WARRANTY. THE FAILURE MILEAGE WAS 98,000.
NHTSA ODI #10399566
44,000 miles · Feb 2, 2011
Visibility
THE FAILURE CAUSED THE A/C TO STOP BLOWING AIR DUE TO A TRANSISTOR BECOMING TO HOT AND MELTING/BURNING THE CONNECTION IS SIDE THE CAB, BEHIND THE GLOVE BOX. I FIGURED OUT WHAT THE PROBLEM WAS AND LOOKED AT IT BUT DIDN'T REPLACE IT SINCE IT STARTED WORKING AGAIN EVEN THOUGH IT IS BURNT BLACK. *TR
NHTSA ODI #10379938
75,000 miles · Dec 4, 2010
Air Bags
I WAS DRIVING OFF-ROAD IN MY 2007 HUMMER H3 WITH A GROUP OF HUMMER OWNERS. DRIVING ON A FLAT DIRT ROAD, APPROACHING THE PAVED ROAD, THE SIDE IMPACT AIR BAGS DEPLOYED FOR NO REASON. H3 WAS GOING APROX. 35 MPH. I HAD MY SON WITH ME IN THE FRONT SEAT AND HE WAS HURT BY THE AIRBAG. I'VE SEEN OTHER REPORTS OF THIS HAPPENING WITH …
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I WAS DRIVING OFF-ROAD IN MY 2007 HUMMER H3 WITH A GROUP OF HUMMER OWNERS. DRIVING ON A FLAT DIRT ROAD, APPROACHING THE PAVED ROAD, THE SIDE IMPACT AIR BAGS DEPLOYED FOR NO REASON. H3 WAS GOING APROX. 35 MPH. I HAD MY SON WITH ME IN THE FRONT SEAT AND HE WAS HURT BY THE AIRBAG. I'VE SEEN OTHER REPORTS OF THIS HAPPENING WITH H3'S AND THE ISSUE SHOULD BE CORRECTED BY GM. EITHER THE SENSOR IS DEFECTIVE OR IS SET TOO SENSITIVE FOR OFF-ROAD DRIVING. I'M THANKFUL IT DIDN'T HAPPEN ON A BUSY FREEWAY OR ON A BUSY STREET. MY H3 HAS BEEN IN AT THE GM DEALER FOR 7 DAYS AND THEY ARE WANTING MY INSURANCE TO PAY FOR THE REPAIRS. THAT MEANS DEDUCTIBLES AND RENTAL CAR FEES FOR ME TO FIX AN ISSUE THAT SHOULD BE CORRECTED BY GM. *TR
NHTSA ODI #10369161
Official recalls
2Jul 1, 2015
General Motors LLC (GM) is recalling certain model year 2006-2010 Hummer H3 vehicles manufactured February 5, 2005, to May 24, 2010, and 2009-2010 Hummer H3T vehicles manufactured May 21, 2008, to May 24, 2010. In the affected vehicles, the connector module that controls the blower motor speed for the heating, ventilation and air conditioning system may overheat.
Consequence & remedy
Consequence: If the blower motor connector module overheats, it can increase the risk of a fire.
Remedy: GM will notify owners, and dealers will replace part of the blower motor connector and harness, free of charge. The recall began February 26, 2016. Owners may contact Hummer customer service at 1-800-732-5493. GM's number for this recall is 15042.
Apr 30, 2010
GM IS RECALLING CERTAIN MODEL YEAR 2006 THROUGH 2010 HUMMER H3 VEHICLES. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH THE INTEGRAL CLIP-TABS ON THE LOUVER ON THE HOOD MAY FRACTURE, CAUSING THE HOOD LOUVER RATTLE AGAINST THE HOOD AND BECOME LOOSE. IF THIS INDICATOR IS UNNOTICED, ADDITIONAL CLIPS COULD FRACTURE AND THE HOOD LOUVER COULD DETACH FROM THE VEHICLE.
Consequence & remedy
Consequence: IF THE VEHICLE IS BEING DRIVING WHEN THIS OCCURS, IT COULD STRIKE A FOLLOWING VEHICLE AND CAUSE INJURY AND/OR PROPERTY DAMAGE.
Remedy: DEALERS WILL APPLY AN ADHESIVE TO THE HOOD LOUVER TO SECURE IT TO THE HOOD. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON APRIL 12, 2010. OWNERS MAY CONTACT HUMMER AT 800-732-5493 OR AT THE OWNER CENTER AT WWW.GMOWNERCENTER.COM.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗