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2010 Hummer H3

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 5 of 7 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports1 fire reports0 injury reports

What owners actually said

7 reports
Mileage unknown · Mar 2, 2024
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 …

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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.

NHTSA ODI #11575109

200 miles · Oct 22, 2019
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 …

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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.

NHTSA ODI #11270118

107,000 miles · Nov 14, 2018
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 TH…

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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.

NHTSA ODI #11151401

60,000 miles · Jan 28, 2015
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 DR…

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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 SAYS RADIATOR IS INCLUDED BUT THE SUCCEEDING PARAGRAPHS SAYS OTHERWISE...SINCE ITS A COMMON KNOWN ISSUE AND BELIEVE ME THIS THE ONLY PART OF HUMMER THAT DEALERSHIP STOCK IN THEIR INVENTORY SHOULD IT BE IN A RECALL NOTICE OR AT LEAST HAVE GM REVIEW IT CAUSE THE WAY I SEE WHY THE CRACK ON THE RADIATOR HAPPENED WAS BECAUSE OF THE FLAW OF THE DESIGN OF RADIATOR SUPPORT THE METAL LIP ON IT RUBS ON FRONT TOP COVER PORTION SO EVENTUALLY THIS WILL GIVE IN PLASTIC VS METAL WE ALL KNOW WHOSE GONNA WIN BUT DID AM GENERAL KNOWS THIS....MY ANSWER DEFINITELY LIKE WHAT I HAD MENTIONED ALREADY AND TRIED AT LEAST 15 DEALERSHIP (FROM CALIFORNIA TO TEXAS TO NEWJERSEY AND MICHIGAN)THAT CATERS TO HUMMER LINE ALL OF THEM HAVE ONE THING IN COMMON THEY STOCK RADIATORS FOR HUMMER H3S... *TR

NHTSA ODI #10679360

30,450 miles · Jan 13, 2015
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 HEAVI…

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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 THE CORE ISSUE CAUSING THE FIRE HAZARD. THIS IS LIKE REPLACING BURNT DRYWALL TO ADDRESS FAULTY HOUSE WIRING . *TR

NHTSA ODI #10672280

80,300 miles · Jun 29, 2013
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

NHTSA ODI #10522410

Mileage unknown · Aug 10, 2010
StructureVisibility

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

NHTSA ODI #10348480

Official recalls

2

15V421000 · Visibility:defroster/defogger/hvac System:fan/motor

Jul 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.

10V179000 · Structure:body:hood

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 ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.