NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
361 reportsMileage unknown · May 30, 2010
Electrical SystemInterior LightingStructure
ON MAY 29 2010 I WENT TO THE STORE AROUND AFTERNOON AND CAME BACK FROM THE STORE I STARTED MY HUMMER 2006 H3 THE CAR STARTED AND I LOOK AT THE INDASH AND NO LIGHT CAME ON AND I DRIVE AROUND THE PARKING LOT TO SEE IF THE IN DASH LIGHT COME ON AND I PARK THE CAR AND TURN OFF MY IGNITION AND TURN IT BACK ON STILL THE SAME NO LIGHT …
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ON MAY 29 2010 I WENT TO THE STORE AROUND AFTERNOON AND CAME BACK FROM THE STORE I STARTED MY HUMMER 2006 H3 THE CAR STARTED AND I LOOK AT THE INDASH AND NO LIGHT CAME ON AND I DRIVE AROUND THE PARKING LOT TO SEE IF THE IN DASH LIGHT COME ON AND I PARK THE CAR AND TURN OFF MY IGNITION AND TURN IT BACK ON STILL THE SAME NO LIGHT ON MY INDASH AND I WAS SCARE TO DRIVE IT OUT ON THE ROAD BECAUSE I DON'T SEE HOW FAST I WAS RUNNING OR THE CAR MIGHT DIE OUT ON ME WHEN IM DRIVING AND I WAS THINKING TO MYSELF THIS IS VERY DANGEROUS BECAUSE THIS COULD CAUSE AN ACCIDENT AND I WAS MAD I DROVE HOME AND ABOUT 3 OR 4 MINUTE LATER THE LIGHT CAME BACK ON WHEN I WAS DRIVING AND I WAS WONDER WHAT COULD CAUSE THIS TO HAPPEN OR DID MY ELECTRIC WIRE SHORT CIRCUIT AND MY TRUCK IS 4 YEAR OLD AND BARELY DRIVING IT. SO COULD YOU PLEASE INVESTIGATE ON THIS, BECAUSE IT HAPPEN TO ME IT COULD HAPPEN TO OTHER HUMMER H3 OWNER . SO PLEASE ACT NOW SO NO ONE GET HURT AND TO PREVENT FROM HAPPENING AND LAST MONTH MY TWO DOOR ON THE PASSENGER SIDE FRONT AND BACK HAS A SQUEAKY NOISE EVERYTIME I OPEN THE FRONT AND BACK PASSENGER IT MAKE TO MUCH NOISE AND I WONDER IS THIS HOW HUMMER MAKE THERE QUALITY TRUCK LIKE THIS AND MY TRUCK IS ONLY 4 YEAR OLD AND STILL BRAND NEW. *TR
NHTSA ODI #10333855
50,000 miles · May 13, 2010
Engine And Engine Cooling
TL*THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT SHE NOTICED A PUDDLE OF RADIATOR FLUID UNDERNEATH THE VEHICLE AFTER IT WAS PARKED. THE VEHICLE WAS TAKEN TO A LOCAL MECHANIC WHO STATED THAT THE RADIATOR NEEDED TO BE REPLACED. PRIOR TO THE FAILURE, THE CONTACT NOTICED THE CHECK ENGINE LIGHT ILLUMINATED ON THE INSTRUM…
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TL*THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT SHE NOTICED A PUDDLE OF RADIATOR FLUID UNDERNEATH THE VEHICLE AFTER IT WAS PARKED. THE VEHICLE WAS TAKEN TO A LOCAL MECHANIC WHO STATED THAT THE RADIATOR NEEDED TO BE REPLACED. PRIOR TO THE FAILURE, THE CONTACT NOTICED THE CHECK ENGINE LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE FAILURE MILEAGE WAS APPROXIMATELY 50,000. THE CURRENT MILEAGE WAS APPROXIMATELY 76,000. UPDATED 08/17/10. *LJ UPDATED 08/23/10*JB
NHTSA ODI #10330272
45,057 miles · May 11, 2010
Service Brakes, HydraulicCrash
TL*THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING AT VARIOUS SPEEDS, THE BRAKES WOULD NOT ENGAGE WHEN THE BRAKE PEDAL WAS DEPRESSED AND IT WOULD ALSO CONTINUE TO ACCELERATE. THE CONTACT ONCE CRASHED INTO A VEHICLE IN FRONT DUE TO THE FAILURE. THERE WERE NO INJURIES. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALERSHIP WHERE IT WA…
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TL*THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING AT VARIOUS SPEEDS, THE BRAKES WOULD NOT ENGAGE WHEN THE BRAKE PEDAL WAS DEPRESSED AND IT WOULD ALSO CONTINUE TO ACCELERATE. THE CONTACT ONCE CRASHED INTO A VEHICLE IN FRONT DUE TO THE FAILURE. THERE WERE NO INJURIES. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALERSHIP WHERE IT WAS REPAIRED. THE FAILURE OCCURRED FOUR ADDITIONAL TIMES AND THE DEALER MADE REPAIRS TO THE BRAKES BUT COULD NOT PINPOINT THE CAUSE FOR FAILURE. THE CONTACT REFUSED TO DRIVE THE VEHICLE AS SHE FELT THAT IT WAS UNSAFE. THERE WERE NO REPAIRS TO THE VEHICLE THAT SUCCESSFULLY FIXED THE PROBLEM AT THE TIME OF THE COMPLAINT. THE FAILURE MILEAGE WAS 45,057. THE CURRENT MILEAGE WAS APPROXIMATELY 110,000.
NHTSA ODI #10329989
50,000 miles · May 7, 2010
Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT WHEN TRYING TO ACCELERATE, THE VEHICLE WOULD NOT MOVE FORWARD BECAUSE THE LEFT REAR CALIPER HAD LOCKED UP. THE CALIPER UNLOCKED AND THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALERSHIP WHERE THE CALIPER WAS REPLACED UNDER WARRANTY. THE FAILURE OCCURRED AGAIN WHILE THE CO…
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TL*THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT WHEN TRYING TO ACCELERATE, THE VEHICLE WOULD NOT MOVE FORWARD BECAUSE THE LEFT REAR CALIPER HAD LOCKED UP. THE CALIPER UNLOCKED AND THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALERSHIP WHERE THE CALIPER WAS REPLACED UNDER WARRANTY. THE FAILURE OCCURRED AGAIN WHILE THE CONTACT WAS DRIVING AT APPROXIMATELY 55 MPH, CAUSING THE VEHICLE TO SPIN OUT OF CONTROL AND ALMOST CRASH. THE CONTACT PLANNED TO HAVE THE VEHICLE REPAIRED WHEN A PART WAS LOCATED. THE VIN WAS UNAVAILABLE AT THE TIME OF THE COMPLAINT. THE CURRENT MILEAGE WAS APPROXIMATELY 85,000. THE FAILURE MILEAGE WAS APPROXIMATELY 50,000.
NHTSA ODI #10329259
77,675 miles · Apr 13, 2010
Engine And Engine Cooling
CALLED BY CUSTOMER COMPLAINT OF ROUGH IDLE AND MISFIRE. VEHICLE IS A 2006 HUMMER H3 WITH THE L52 I-5 CYLINDER ENGINE. MILEAGE IS 77675 DIAGNOSIS REVEALED CYLINDER #5 WAS BAD. FURTHER TESTING REVEALED WATER IN THE OIL. FINAL DIAGNOSIS BLOWN HEAD GASKET. THIS IS A RECURRING PROBLEM WITH THIS ENGINE AND VEHICLE. DEALER REFUS…
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CALLED BY CUSTOMER COMPLAINT OF ROUGH IDLE AND MISFIRE. VEHICLE IS A 2006 HUMMER H3 WITH THE L52 I-5 CYLINDER ENGINE. MILEAGE IS 77675 DIAGNOSIS REVEALED CYLINDER #5 WAS BAD. FURTHER TESTING REVEALED WATER IN THE OIL. FINAL DIAGNOSIS BLOWN HEAD GASKET. THIS IS A RECURRING PROBLEM WITH THIS ENGINE AND VEHICLE. DEALER REFUSED TO REPAIR THOUGH IT IS THE SAME ENGINE GM ISSUED A TECHNICAL BULLETIN CALLING FOR CHANGING HEADS ON THE COLORADO. *TR
NHTSA ODI #10325577
60,000 miles · Mar 23, 2010
Engine And Engine Cooling
1. DURING NORMAL DRIVING AND IDLEING I STARTED SEEING / HEARING THE ENGINE MISFIRE AND ILLUMINATION OF THE SERVICE ENGINE SOON (SES) I WOULD EXPERIENCE ABRUPT LOSS OF POWER OR SURGING OR IDLE ROUGHNESS. AFTER RESEARCH AND DEALER DIAGNOSIS WE FOUND THE EARLY HUMMER H3 HAS THE SAME ATLAS L52 I-5 ENGINE AS THE 04-05 CHEVROLET …
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1. DURING NORMAL DRIVING AND IDLEING I STARTED SEEING / HEARING THE ENGINE MISFIRE AND ILLUMINATION OF THE SERVICE ENGINE SOON (SES) I WOULD EXPERIENCE ABRUPT LOSS OF POWER OR SURGING OR IDLE ROUGHNESS. AFTER RESEARCH AND DEALER DIAGNOSIS WE FOUND THE EARLY HUMMER H3 HAS THE SAME ATLAS L52 I-5 ENGINE AS THE 04-05 CHEVROLET COLORADO. THE 04-05 CHEVEROLET COLORADO ATLAS L52 I-5 ENGINE WAS GIVEN A SPECIAL COVERAGE FOR SOFT ENGINE INTAKE VALVE SEATS, EXTENDED THE WARRANTY TO 7 YEARS AND 100,000 MILES UNDER TSB 07123 NHTSA # 10022722. TO FIX THE PROBLEM THE HEAD IS REPLACED WITH ONE WITH HARDER VALVE SEATS. THE 2006 HUMMER H3 SHOULD ALSO BE COVERED BY THIS BULLETIN. GM HAS REFUSED TO COVER MY H3 WITH THIS PROBLEM EVEN THOUGH IT HAS THE SAME ENGINE SIMPLY BECAUSE NHTSA # 10022722 DOES NOT SPECIFICALLY SAY HUMMER H3. MY GM CASE # 71-805764673.
NHTSA ODI #10321571
3,150 miles · Mar 23, 2010
Tires
TIRE FAILURE, BLOWOUT AT HIGHWAY SPPED. ON MARCH 6, 2010, WHILE DRIVING MY 2006 H3 HUMMER THE LEFT REAR TIRE HAD A CATASTROPIC FAILURE. THE TIRE IS A BRIDGESTONE DUELER A/T RH-S LT 285/75R16 LOAD RANGE C M+S.
NHTSA ODI #10321558
Mileage unknown · Mar 15, 2010
Vehicle Speed Control
THE GAS PEDAL IS TOO CLOSE TO THE BRAKE PEDAL, CAUSING YOUR SHOE TO GET STUCK WHEN SWITCHING FROM GAS TO BRAKE. *TR
NHTSA ODI #10319834
96,000 miles · Mar 9, 2010
Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT WAS TRAVELING 50 MPH ON THE HIGHWAY WHEN THE BRAKES LOCKED WITHOUT BEING ENGAGED. THE ABS WARNING SCREEN INDICATED THAT THE BRAKES WERE FAILING. THE DEALERSHIP REPLACED THE WHEEL SPEED SENSOR. THE FAILURE OCCURRED AFTER THE REPAIR WAS MADE. THE FAILURE MILEAGE WAS 96000. THE CURR…
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TL*THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT WAS TRAVELING 50 MPH ON THE HIGHWAY WHEN THE BRAKES LOCKED WITHOUT BEING ENGAGED. THE ABS WARNING SCREEN INDICATED THAT THE BRAKES WERE FAILING. THE DEALERSHIP REPLACED THE WHEEL SPEED SENSOR. THE FAILURE OCCURRED AFTER THE REPAIR WAS MADE. THE FAILURE MILEAGE WAS 96000. THE CURRENT MILEAGE WAS 96045.
NHTSA ODI #10318206
60,000 miles · Jan 21, 2010
Structure
TL*THE CONTACT OWNS A 2006 H3 HUMMER. THE CONTACT STATED THAT THE GRILL VENT COVER FELL OFF OF THE HOOD OF THE VEHICLE WHILE DRIVING 50 MPH. THE CONTACT WAS ABLE TO DRIVE ONTO THE EMERGENCY LANE AND NOTICED THAT THE ADHESIVE GLUE DID NOT HOLD THE COVER IN PLACE. THE DEALER INFORMED THE CONTACT THAT THE VEHICLE WAS NOT UNDER THE …
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TL*THE CONTACT OWNS A 2006 H3 HUMMER. THE CONTACT STATED THAT THE GRILL VENT COVER FELL OFF OF THE HOOD OF THE VEHICLE WHILE DRIVING 50 MPH. THE CONTACT WAS ABLE TO DRIVE ONTO THE EMERGENCY LANE AND NOTICED THAT THE ADHESIVE GLUE DID NOT HOLD THE COVER IN PLACE. THE DEALER INFORMED THE CONTACT THAT THE VEHICLE WAS NOT UNDER THE WARRANTY AND THAT THE MANUFACTURER WOULD NOT COVER THE COST. THE CONTACT IS CONCERNED ABOUT THE SAFETY RISK. THE FAILURE MILEAGE WAS 60,000.
NHTSA ODI #10301773
Official recalls
4Jul 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.
Oct 31, 2006
CERTAIN VEHICLES ORIGINALLY BUILT WITH CLOTH SEATS THAT WERE EQUIPPED WITH AN AUTOMATIC AIR BAG PASSENGER SENSING SYSTEM AND LATER REUPHOLSTERED WITH AFTERMARKET LEATHER SEAT COVER KITS ARE INVOLVED. TESTING HAS INDICATED THAT THE AFTERMARKET LEATHER SEAT COVERS CAN CAUSE THE PASSENGER SENSING SYSTEM TO MALFUNCTION.
Consequence & remedy
Consequence: IF THE PASSENGER SENSING SYSTEM MALFUNCTIONS, THE FRONT AIR BAG ON THE PASSENGER SIDE MAY BE DISABLED WHEN IT SHOULD BE ENABLED, OR ENABLED WHEN IT SHOULD BE DISABLED. IN EITHER CASE, IN THE EVENT OF A CRASH THAT REQUIRES AIR BAG DEPLOYMENT, A FRONT PASSENGER'S LEVEL OF INJURY MAY BE INCREASED.
Remedy: BECAUSE A REPLACEMENT LEATHER SEAT COVER THAT IS COMPATIBLE WITH THE PASSENGER SENSING SYSTEM IS NOT AVAILABLE, GENERAL MOTORS (GM) WILL REPURCHASE THESE VEHICLES IN ACCORDANCE WITH THE TERMS STATED IN GM'S LETTER TO OWNERS. THE RECALL BEGAN ON NOVEMBER 6, 2006. OWNERS SHOULD CONTACT GM AT 1-877-477-1022 TO BEGIN THE PROCESS OF REPURCHASING THEIR VEHICLE.
Dec 7, 2005
CERTAIN TRUCKS AND SPORT UTILITY VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SHIPPED WITH TIRE AND LOADING INFORMATION LABELS LISTING AN INACCCURATE VEHICLE CAPACITY WEIGHT.
Consequence & remedy
Consequence: A MISPRINTED LABEL COULD LEAD TO IMPROPER VEHICLE LOADING SPECIFICATIONS OR TIRE INFLATION WHICH COULD RESULT IN A TIRE FAILURE, INCREASING THE RISK OF A CRASH.
Remedy: OWNERS WILL BE PROVIDED WITH CORRECTED LABELS AND INSTALLATION INSTRUCTIONS. AT THE CUSTOMER'S OPTION, A DEALER CAN INSTALL THE LABEL FOR THEM. THE RECALL BEGAN ON MARCH 31, 2006. OWNERS MAY CONTACT BUICK AT 1-866-608-8080, CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, HUMMER AT 1-800-732-5493, PONTIAC AT 1-800-620-7668, SATURN AT 1-800-972-8876, OR ISUZU AT 1-800-255-6727.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗