NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
113 reports82,000 miles · Nov 14, 2014
Engine
WITHOUT ANY WARNING, THE ENGINE BEGAN TO MISFIRE AND STALL OUT AFTER STARTING FROM A GREEN LIGHT. IT ONLY LASTED ABOUT 10 SECONDS. AFTER THIS, THE ENGINE QUIT MISFIRING AND BEGAN TO HAVE AN AUDIBLE WHINE COME FROM UNDER THE GEAR SHIFTER. THIS WAS SUBSEQUENTLY DIAGNOSED BY ELECTRONIC MEANS AS AN INTERMITTENT MISFIRE AND ACCELE…
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WITHOUT ANY WARNING, THE ENGINE BEGAN TO MISFIRE AND STALL OUT AFTER STARTING FROM A GREEN LIGHT. IT ONLY LASTED ABOUT 10 SECONDS. AFTER THIS, THE ENGINE QUIT MISFIRING AND BEGAN TO HAVE AN AUDIBLE WHINE COME FROM UNDER THE GEAR SHIFTER. THIS WAS SUBSEQUENTLY DIAGNOSED BY ELECTRONIC MEANS AS AN INTERMITTENT MISFIRE AND ACCELERATOR PEDAL POSITION SENSOR. AFTER EXAMINATION BY A MECHANIC, IN THE LOWER PORTION OF THE ENGINE A BOLT HOLDING IN PLACE ONE OF THE BALANCERS WORKED ITSELF FREE. THE ENTIRE BOLT WAS DISPLACED FROM ITS ORIGINAL LOCATION AND THE THREADS WERE PROTRUDING OUT OF THE PLATE BEHIND THE FLYWHEEL IN THE AREA OF THE REAR MAIN SEAL CAUSING A SIGNIFICANT LOSS IN OIL. UPON FURTHER INSPECTION AFTER THE ENGINE WAS REMOVED, MULTIPLE COMPONENTS APPEARED DAMAGED AS A RESULT OF THE BOLT GETTING STUCK IN ONE OF THE INTERNAL CHAINS. THE WHINING NOISE WAS A RESULT OF THE CHAIN RUBBING AGAINST THE REMAINS OF THE BOLT THAT WAS LODGED AND PARTIALLY EXPELLED FROM THE LOWER REAR OF THE MOTOR. FINALLY, TO BE CLEAR, THIS INCIDENT APPEARS TO BE THE RESULT OF A BOLT BEING IMPROPERLY TORQUED, MACHINED OR THE BALANCER BEING IMPROPERLY MACHINED AND MATCHED FOR THE BOLT. AGAIN, THE ENTIRE BOLT (INCLUDING THREADS) WAS FREE FROM THE COMPONENT IT WAS INSTALLED IN. *TR
NHTSA ODI #10655114
48,000 miles · Aug 27, 2014
Air BagsInjury
I WAS DRIVING 40MPH WHEN UNEXPECTEDLY THE CURTAIN AIRBAGS DRIVER SIDE FRONT AND BACK AND PASSENGER SIDE FRONT AND BACK DEPLOYED CAUSING INJURIES TO MY COLLAR BONE, ARM AND NECK. *TR
NHTSA ODI #10628859
103,000 miles · Jul 7, 2014
Electrical SystemExterior Lighting
2008 HUMMER H3 ALPHA WITH FACTORY TOW PACKAGE TRAILER ROUTED BETWEEN SHARP BODY PANEL AND BUMPER CAUSING VEHICLE MOTION TO RUB THE WIRES. THE EXPOSED WIRES SHORT TO THE BODY AND CAUSE HIGH CURRENT MELTING INTERIOR WIRING. THIS PROBLEM HAS BEEN IMNTERMITTENT FOR ABOUT 1 YEAR AND HAVE HAD GM DEALER TROUBLESHOOT THE FAILURE OF…
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2008 HUMMER H3 ALPHA WITH FACTORY TOW PACKAGE TRAILER ROUTED BETWEEN SHARP BODY PANEL AND BUMPER CAUSING VEHICLE MOTION TO RUB THE WIRES. THE EXPOSED WIRES SHORT TO THE BODY AND CAUSE HIGH CURRENT MELTING INTERIOR WIRING. THIS PROBLEM HAS BEEN IMNTERMITTENT FOR ABOUT 1 YEAR AND HAVE HAD GM DEALER TROUBLESHOOT THE FAILURE OF TRAILER BRAKES AND LIGHTS WITH NO SOLUTION. I DISCOVERED PROBLEM BY REMOVING REAR BUMPER. PROBLEM CAN BE AVOIDED BY SHIELDING WIRING AND SMOOTHING THE SHARP METAL EDGES IT CROSSES. *JS
NHTSA ODI #10608559
85,678 miles · Jun 17, 2014
Electrical SystemVisibility
AS MANY HAVE EXPLAINED BEFORE, MY BLOWER MOTOR ALL OF A SUDDEN WENT OUT I STARTED TO READ ONLINE WHAT IT MIGHT BE AND FOUND THAT EVERYONE COMPLAINED OF RESISTOR HARNESS WIRE BURNING OUT OR THE PLASTIC MELTING. AND JUST AS EVERYONE SAID I PULLED OUT THE HARNESS AND IT WAS BURN COMPLETELY OUT. GM THIS REALLY NEEDS TO BE ADDRESSED,…
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AS MANY HAVE EXPLAINED BEFORE, MY BLOWER MOTOR ALL OF A SUDDEN WENT OUT I STARTED TO READ ONLINE WHAT IT MIGHT BE AND FOUND THAT EVERYONE COMPLAINED OF RESISTOR HARNESS WIRE BURNING OUT OR THE PLASTIC MELTING. AND JUST AS EVERYONE SAID I PULLED OUT THE HARNESS AND IT WAS BURN COMPLETELY OUT. GM THIS REALLY NEEDS TO BE ADDRESSED, HOW MANY PEOPLE NEED COMPLAIN, OR SOMETHING POSSIBLY HAPPEN TO SOMEONE BEFORE YOUR COMPANY TAKES ACTION, WITH ALL THE RECALLS GOING ON WITH YOUR COMPANY YOU WOULD THINK YOU GUYS WOULD LEARN. *TR
NHTSA ODI #10598749
71,000 miles · May 18, 2014
Electrical SystemFire
I WAS DRIVING ALONG AND THERE WAS SMOKE COMING FROM BELOW PASSENGER SIDE UNDER THE GLOVE BOX. PULL OVER AND SAW IT WAS A RESISTOR WITH TWO SCREWS. IT WAS BURNT, I UNPLUGGED AND DROVE HOME. THEN SEARCHED INTERNET AND THERE ARE HUNDREDS OF PEOPLE WITH THE SAME PROBLEM. THIS NEEDS TO BE A RECALL ASAP, BEFORE SOMEONE DIES IN A FIRE.…
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I WAS DRIVING ALONG AND THERE WAS SMOKE COMING FROM BELOW PASSENGER SIDE UNDER THE GLOVE BOX. PULL OVER AND SAW IT WAS A RESISTOR WITH TWO SCREWS. IT WAS BURNT, I UNPLUGGED AND DROVE HOME. THEN SEARCHED INTERNET AND THERE ARE HUNDREDS OF PEOPLE WITH THE SAME PROBLEM. THIS NEEDS TO BE A RECALL ASAP, BEFORE SOMEONE DIES IN A FIRE. *JS
NHTSA ODI #10592207
52,000 miles · Apr 24, 2014
Electrical System
TL* THE CONTACT OWNS A 2008 HUMMER H3. THE CONTACT STATED THAT THE ENGINE WOULD NOT START. THE CONTACT INDICATED THAT THE PROBLEM WAS INTERMITTENT AND THAT THE SECURITY SENSOR LIGHT ILLUMINATED. THE FAILURE MILEAGE WAS 52,000.
NHTSA ODI #10584653
38,000 miles · Apr 3, 2014
Electrical System
TL* THE CONTACT OWNS A 2008 HUMMER H3. THE CONTACT STATED WHILE ATTEMPTING TO TURN THE VEHICLE OFF THE KEY BECAME STUCK INSIDE THE IGNITION SWITCH AND THE CONTACT WAS UNABLE TO TURN THE VEHICLE OFF. THE VEHICLE WAS TAKEN TO THE DEALER BUT THE DEFECT COULD NOT BE DUPLICATED AND NO REPAIRS WERE PERFORMED. THE CONTACT STATED THAT T…
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TL* THE CONTACT OWNS A 2008 HUMMER H3. THE CONTACT STATED WHILE ATTEMPTING TO TURN THE VEHICLE OFF THE KEY BECAME STUCK INSIDE THE IGNITION SWITCH AND THE CONTACT WAS UNABLE TO TURN THE VEHICLE OFF. THE VEHICLE WAS TAKEN TO THE DEALER BUT THE DEFECT COULD NOT BE DUPLICATED AND NO REPAIRS WERE PERFORMED. THE CONTACT STATED THAT THE DEFECT CONTINUED TO OCCUR. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 38,000.
NHTSA ODI #10577086
97,342 miles · Mar 3, 2014
Electrical SystemVisibility
I HAVE THE SAME ISSUE AS HUNDREDS OF OTHERS WITH GM'S FAULTY BLOWER MOTOR RESISTOR. THE BLOWER MOTOR RESISTOR AND WIRING HARNESS HAVE FAILED 2 TIMES NOW. MELTING TO EACH OTHER. LUCKILY NO FIRE, YET. THESE ARE EXPENSIVE VEHICLES, AND GM SHOULD OWN UP TO THE DESIGN FLAW AND ISSUE A RECALL, AND OR OFFER A REPAIR KIT THAT TRULY FIXE…
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I HAVE THE SAME ISSUE AS HUNDREDS OF OTHERS WITH GM'S FAULTY BLOWER MOTOR RESISTOR. THE BLOWER MOTOR RESISTOR AND WIRING HARNESS HAVE FAILED 2 TIMES NOW. MELTING TO EACH OTHER. LUCKILY NO FIRE, YET. THESE ARE EXPENSIVE VEHICLES, AND GM SHOULD OWN UP TO THE DESIGN FLAW AND ISSUE A RECALL, AND OR OFFER A REPAIR KIT THAT TRULY FIXES THE FLAW THAT OWNERS CAN INSTALL AS THE LOCATION IS FAIRLY EASY TO GET TO AND WORK ON IT. THE PURCHASERS OF THESE VEHICLES SHOULD NOT HAVE TO PUT UP WITH THIS QUALITY FLAW, AND RISK THEMSELVES, FAMILY AND FRIENDS. GM - DO THE RIGHT THING AND AVOID MAJOR LAWSUITS. *TR
NHTSA ODI #10566871
76,212 miles · Nov 21, 2013
Engine And Engine Cooling
MY RADIATOR CRACKED AND I WAS TOLD AND HAVE READ THIS IS A VERY COMMON PROBLEM WITH THE H3 HUMMERS AND CHEVY COLORADO . *TR
NHTSA ODI #10553231
97,000 miles · Jul 18, 2013
Air Bags
WE PRACTICED WINCHING TECHNIQUES WITH SNO CTY SEARCH AND RESCUE. MY VEHICLE WAS BEING WINCHED UP A HILL. WHEN WE FINISHED OUR PRACTICE, I NOTICE THE AIRBAG WARNING LIGHT ON THE DASH WAS ILLUMINATED. I TOOK THE VEHICLE TO A GM DEALERSHIP WHO SOLD HUMMERS AND HAD THE VEHICLE DIAGNOSED. THEY STATED THAT THE ROLLOVER SENSOR HAD IN…
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WE PRACTICED WINCHING TECHNIQUES WITH SNO CTY SEARCH AND RESCUE. MY VEHICLE WAS BEING WINCHED UP A HILL. WHEN WE FINISHED OUR PRACTICE, I NOTICE THE AIRBAG WARNING LIGHT ON THE DASH WAS ILLUMINATED. I TOOK THE VEHICLE TO A GM DEALERSHIP WHO SOLD HUMMERS AND HAD THE VEHICLE DIAGNOSED. THEY STATED THAT THE ROLLOVER SENSOR HAD INDICATED DEPLOYMENT. THE VEHICLE DID NOT ROLL, NOR DID THE SRS SYSTEM DEPLOY. THEY RECOMMENDED REPLACEMENT OF THE ROLLOVER SENSOR. I HAD THEM FULLY TEST THE SYSTEM TO BE CERTAIN THAT THE $500.00 PART WOULD SOLVE THE PROBLEM. I HAD THEM REPLACE THE SENSOR WITH GM APPROVED PARTS BOUGHT FROM THE DEALERSHIP. AFTER THE REPAIR, THE MECHANIC STATED THAT HE THOUGHT THERE WAS AN ELECTRICAL FAULT WITH THE SENSOR - BUT HAD NO WAY OF TESTING THE CIRCUITS; NOR THE WILLINGNESS TO TRY A PART HE FIXED BECAUSE IT COULD DEPLOY THE SYSTEM. THE LIGHT IS ON AGAIN (THE REPAIR WAS COMPLETED JUNE 11, 2013). I TOOK THE VEHICLE BACK TO THE DEALERSHIP, WHERE THEY PULLED THE ENTIRE DASH APART AND TESTED ALL THE CIRCUITS. THEY DID NOT FIND A DEFINITE CAUSE. THEY RECOMMENDED THAT WE USE DIELECTRIC GREASE ON THE CONNECTIONS. THEY INDICATED THAT IF THAT DID NOT SOLVE THE PROBLEM, THE NEXT "REPAIR" WOULD BE REPLACE THE AIRBAG ITSELF (ROUGHLY $800.00). THIS IS WHERE I AM AT TODAY - THE LIGHT IS ILLUMINATED AGAIN; GM HAS BASICALLY WASHED THEIR HANDS OF THE VEHICLE (THERE IS NO WARRANTY SO ALL OF THIS IS COMING OUT OF MY POCKET); AND THEY WANT TO "TRY" TO REPLACE THE AIRBAG. I'M NOW CONCERNED THAT THE ROLLOVER SENSOR WAS NOT AT FAULT; RATHER, THERE IS AN ELECTRICAL PROBLEM WITH THE SRS SYSTEM. I THINK THE DEALERSHIP HAS DONE THE BEST THEY CAN - BUT WITHOUT GM'S PARTICIPATION IN THE SOLUTION; I THINK I WILL BE CONTINUALLY THROWING PARTS AND STILL NOT FINDING THE PROBLEM. GM CAN TEST THESE PARTS; THEY HAVE THE SCHEMATICS; CHARTS; AND IP TO ALLOW THEM TO FIND THE ISSUE. *TR
NHTSA ODI #10525591
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 ↗