Model year record

2010 Hummer H3 recalls & problems

The 2010 Hummer H3 has 2 safety recalls and 7 owner complaints on file with NHTSA. The most-reported problem area is electrical system (4 complaints).

Recalls2safety recalls

Complaints7filed by owners

Crashes · fires0 · 1reported in complaints

Injuries · deaths0 · 0reported in complaints

2010 Hummer H3 in an NHTSA crash test — NHTSA crash test

Safety recalls

VisibilityJul 1, 2015

Defroster/defogger/hvac system › Fan/motor

Recall 15V421000164,993 vehicles

Problem: 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.
Risk: If the blower motor connector module overheats, it can increase the risk of a fire.
Fix: 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.

StructureApr 30, 2010

Body › Hood

Recall 10V179000162,129 vehicles

Problem: 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.
Risk: IF THE VEHICLE IS BEING DRIVING WHEN THIS OCCURS, IT COULD STRIKE A FOLLOWING VEHICLE AND CAUSE INJURY AND/OR PROPERTY DAMAGE.
Fix: 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.

Recall repairs are free at any authorised dealer. A recall listed here may already have been fixed on a particular car: enter its 17-character VIN at nhtsa.gov/recalls to see open recalls.

Crash test ratings

2010 Hummer H3 4-DR w/SAB

OverallNot Rated

Frontal crash	Not Rated
Side crash	Not Rated
Rollover	★★★★★
Rollover risk	24.6%

2010 Hummer H3 NHTSA side crash test — NHTSA side barrier crash test

NHTSA 5-Star Safety Ratings (New Car Assessment Program). Ratings are comparable only between vehicles of similar size and weight, and ratings from 2011 on use tougher tests than earlier years. Photos: NHTSA.

Fuel economy

H3 4WD

16mpg combined

City / highway	14 / 18 mpg
Fuel	Regular Gasoline

3.7 L · 5 cyl · Automatic 4-spd · 4-Wheel Drive · about $4,200/year to fuel

H3 4WD

15mpg combined

City / highway	14 / 18 mpg
Fuel	Regular Gasoline

3.7 L · 5 cyl · Manual 5-spd · 4-Wheel Drive · about $4,450/year to fuel

H3 4WD FFV

14mpg combined

City / highway	13 / 16 mpg
Fuel	Regular Gasoline

5.3 L · 8 cyl · Automatic 4-spd · 4-Wheel Drive · about $4,800/year to fuel

EPA estimates from fueleconomy.gov for each engine and transmission sold. Annual cost is the EPA's estimate for 15,000 miles a year at its current fuel and electricity price assumptions. Your results will vary.

What owners report

Problem area	Complaints	Fires	Typical mileage*
Electrical system	4	1	55,375 mi
Visibility	1	0	—
Structure	1	0	—
Engine	1	0	—
Power train	1	0	—

*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.

Recent owner complaints

Power train
My transfer case established a large fluid leak so I inspected it, the findings was a large hole in the main housing on the transfer case fluid was leaking out. The transfer case was removed and disassembled, and found that the 2 screws that hold the chain guide to the housing had backed out or fell out and let the chain guide fall down in to the gear mechanism and ground it up and broke the main case. In result was the quarter size hole in the housing of the transfer case allowing liquid to escape and damage the housing. Leaving me without a vehicle.
Feb 20, 2024
Electrical system
TL* THE CONTACT OWNS A 2010 HUMMER H3. ON MANY OCCASIONS, THE VEHICLE WOULD NOT IMMEDIATELY START AND THE SECURITY INDICATOR ILLUMINATED. THE VEHICLE HAD BEEN SERVICED FOR THE SAME FAILURE MANY TIMES AT MARITIME MOTORS (985 POST RD, FAIRFIELD, CT). THE FUEL PUMP, ALTERNATOR, AND BATTERY WERE REPLACED DURING THE REPAIRS, BUT THE FAILURE CONTINUED. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE MANUFACTURER WAS NOTIFIED AND PROVIDED CASE NUMBER: 95570738708. THE FAILURE MILEAGE WAS 200.
Sep 1, 2010 · 200 miles
Electrical system
THE VEHICLE SOMETIMES WILL NOT START DUE TO A PROBLEM WITH THE SECURITY SENSOR IN THE IGNITION SWITCH. THIS IS WHEN STARTING UP THE VEHICLE AND WILL ONLY PERIODICALLY OCCUR. THE SECURITY SYSTEM LIGHT COMES ON AND YOU HAVE TO WAIT 10 MINUTES TO START THE VEHICLE, THEN IT WILL START. IT HAS HAPPENED IN THE SUMMER AND NOW THE WINTER.
Nov 11, 2018 · 107,000 miles
Engine
WHILE I WAS ON THE ROAD GOING HOME I NOTICED THAT MY TEMPERATURE WAS SLOWLY RISING THEN ALL OF A SUDDEN MY ENGINE ROOM WAS SMOKING I PULLED ASIDE AND LOOKED AT THE ENGINE ROOM THE SMOKE WAS CAUSED BY THE RADIATOR LEAKING ON FRONT TOP COVER OF RADIATOR WAS CRACKED... DON'T GET ME WRONG BUT I NEVER DID 4 WHEELING ON MY HUMMER I DRIVE IT FOR MY EVERYDAY COMMUTE THAT'S ABOUT IT...UPON CHECKING ON BLOGS OF OTHER HUMMER OWNERS THEY SAY ITS A COMMON PROBLEM THAT'S WHY I WAS AMAZED THAT IT WASN'T A PART OF ANY RECALLS I COULD HAVE JUST IMAGINED IF IM DOING 4WHEELING WELL ANYWAYS WHEN I WENT TO THE DEALERSHIP FOR REPAIRS CAUSE IM CONFUSED ALSO ON THEIR POWERTRAIN WARRANTY CAUSE THE FIRST SENTENCE…
Nov 3, 2014 · 60,000 miles
Electrical systemFire
MY HEATING AND AC BLOWER MOTOR STOPPED WORKING ON A VEHICLE THAT HAS LESS THAN 31K MILES ON IT. THE ESTIMATED REPAIR COSTS ARE 500$, NOT INCLUDING THE TOW, BEING THAT IT IS THE MIDDLE OF WINTER AND THE CLOSEST DEALERSHIP IS 20 MILES AWAY. ADDITIONALLY, THE TIME OFF OF WORK AND EBING WITHOUT A CAR FOR A WEEK. I HAVE HEAVILY RESEARCHED THIS ISSUE AND IT HAS BEEN REPORTED THOUSANDS OF TIMES AND IS A WELL KNOWN ISSUE AND GM HAS NOT ISSUED A RECALL. THE PROBLEM IS THAT A FAULTY ELECTRICAL SHORT CAUSES A WIRING HARNESS TO MELT, (SMOKING) WITH A BURNING SMELL AND BLACK RESIDUE. THIS IS A MAJOR FIRE HAZARD AND THE RECOMMENDED FIX FROM THE DEALERSHIP ONLY REPLACES THE HARNESS, BUY DOES NOT ADDRESS…
Jan 11, 2015 · 30,450 miles
Electrical system
I WAS DRIVING HOME AND THE FAN ON THE A/C STOPPED WORKING. SHORTLY AFTERWARD I DETECTED A BURNING ODOR. I ENDED UP REPLACING THE RESISTOR AND WIRING HARNESS FOR THE A/C BLOWER MOTOR. THE RESISTOR WAS BURNT AND THE HARNESS WIRE WAS SLIGHTLY MELTED. I AM CONCERNED ABOUT THE POTENTIAL FOR A FIRE IF THIS HAPPENS AGAIN. *TR
Jun 13, 2013 · 80,300 miles
Visibility
SUN GLARE REFLECTS OFF THE CHROME PART PLACED ON THE ENGINE HOOD AND QUICKLY BLINDS THE DRIVER FOR SHORT PERIODS OF TIME CAUSING VERY DANGEROUS ROAD DRIVING CONDITIONS. *TR
Jul 26, 2010

Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.