NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
361 reports49,856 miles · Jan 31, 2017
Suspension
TL* THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING 50 MPH, THE REAR SIDE WHEEL BEGAN TO WOBBLE WITHOUT WARNING THE CONTACT ALSO STATED THAT THE REAR PASSENGER SIDE SPRING SNAPPED AND FRACTURED. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE REAR PASSENGER SPRING WAS FRACTURED AND NEEDED TO BE REPLACED. TH…
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TL* THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING 50 MPH, THE REAR SIDE WHEEL BEGAN TO WOBBLE WITHOUT WARNING THE CONTACT ALSO STATED THAT THE REAR PASSENGER SIDE SPRING SNAPPED AND FRACTURED. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE REAR PASSENGER SPRING WAS FRACTURED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 49,856. UPDATED 04/19/17 *LJ *CN
NHTSA ODI #10948616
151,000 miles · Jan 27, 2017
Visibility/wiper
TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT THE VEHICLE WAS TAKEN TO BE REPAIRED PER NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY). AFTER THE REPAIR, THE HEATING AND AIR CONDITIONING UNITS FAILED TO OPERATE AS INTENDED. THE CONTACT STATED THAT THE HEATER WORKED PRIOR TO THE RECALL REPAIR. THE MANUFACTURER WAS …
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TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT THE VEHICLE WAS TAKEN TO BE REPAIRED PER NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY). AFTER THE REPAIR, THE HEATING AND AIR CONDITIONING UNITS FAILED TO OPERATE AS INTENDED. THE CONTACT STATED THAT THE HEATER WORKED PRIOR TO THE RECALL REPAIR. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS 151,000.
NHTSA ODI #10947946
95,000 miles · Jan 24, 2017
Engine
THERE ARE MANY FORUMS ABOUT CYLINDER MISFIRES - ESPECIALLY AFTER THE WARRANTY RUNS OUT. I LOOKED IT UP AND WAS SHOCKED TO SEE HOW MANY OTHER PEOPLE HAVE HAD THE SAME ISSUE AND NOTHING HAS BEEN DONE ABOUT IT. EVERY HUMMER OWNER I KNOW HAS PAID THOUSANDS OF DOLLARS TO GET THEIR PROBLEMS FIXED. WHY IS THERE NOT A RECALL WHEN SO …
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THERE ARE MANY FORUMS ABOUT CYLINDER MISFIRES - ESPECIALLY AFTER THE WARRANTY RUNS OUT. I LOOKED IT UP AND WAS SHOCKED TO SEE HOW MANY OTHER PEOPLE HAVE HAD THE SAME ISSUE AND NOTHING HAS BEEN DONE ABOUT IT. EVERY HUMMER OWNER I KNOW HAS PAID THOUSANDS OF DOLLARS TO GET THEIR PROBLEMS FIXED. WHY IS THERE NOT A RECALL WHEN SO MANY HAVE THE SAME PROBLEM?? THE IDLE IS ROUGH. THE ENGINE SPUTTERS. THE LIGHT GOES ON AND OFF CONSTANTLY.
NHTSA ODI #10947409
100,231 miles · Jan 14, 2017
Engine
I PURCHASED A 2006 HUMMER H3 WITH ONLY 100K, AFTER PERFORMING A COMPLETE SERVICE I WAS MADE AWARE THE CYLINDER HEADS ARE "DEFECTIVE" THE VEHICLE WAS DRIVEN FOR 5 MONTHE THEN THE CHECK ENGINE LIGHT CAME ON.. A CODE SCANNER INDICTACTED A #2 CYLINDER MISFIRE REPLACED SPARK PLUG, COIL PACACK AND INJECTOR NO LUCK I WAS INFORMED CYLI…
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I PURCHASED A 2006 HUMMER H3 WITH ONLY 100K, AFTER PERFORMING A COMPLETE SERVICE I WAS MADE AWARE THE CYLINDER HEADS ARE "DEFECTIVE" THE VEHICLE WAS DRIVEN FOR 5 MONTHE THEN THE CHECK ENGINE LIGHT CAME ON.. A CODE SCANNER INDICTACTED A #2 CYLINDER MISFIRE REPLACED SPARK PLUG, COIL PACACK AND INJECTOR NO LUCK I WAS INFORMED CYLINDER HEAD NEED TO BE REPLACED, AT WHAT COST DOES THE NHTSA REALIZE THAT THIS WAS A MAJOR MANUFACTURING DEFECTS, YES GM REPLACED CYLINDER HEADS UNDER WARRANTY BUT WITH THE SAME DEFECTIVE HEDS AS TO PASS ON THE COST TO THE CONSUMER AS SOON AS THE WARRANTY EXPIRE TO GET THEIR WARRANTY MONEY BACK., THERE HAS BEEN NUMEROUS COMPLAINTS AND YET NTHSA REFUSES TO INFORM GM OF THE "DEFECT" IT SEAMS ALL THE NTSHA CARES ABOUT IS ELECTRICAL CONCERNS ON VEHICLES, SO WHO MAKE THE DETERMINATION THE A POOR DESIGNED CYLINDER HEAD SHOULD BE THE CONSUMERS PROBLEM. THIS IS WHERE AN INDIVIDUAL SHOULD BE HELD ACCOUNTABLE, IT TOOK A THREAT FROM THE NHTSA FOR GM TO ISSUE A RECALL ON THE HVAC CONNECTOR TO GET RESOLVED., IF THE NHTSA CANNOT UNDERSTAND MECHANICAL DEFECTS SHOULD THERE BE A RECALL WHEN MORE THAN 500 COMPLAINTS ARE ACHIEVED. SO NOW I AM OUT OF POCKET $2800.00 THANKS TO A ADMINISTRATION THAT HAS NO CLUE ON MECHANICAL ISSUES. YOU SHOULD HIRE AN INDIVIDUAL WHO HAS MECHANICAL DEGREE TO HOLD CAR COMPANIES RESPONSIBLE FOR POOR MECHANICAL ISSUES SO WILL I RECEIVE A RESPONSE TO THIS ISSUE AS WE ALL KNOW GM HAS INFORMED DEALERS TO GIVE CUSTOMERS EXCUSES AS TO WHY THEY ARE NOT LIABLE, MY CONCLUSIONS INDICATE THAT THE NHTSA ONLY ACTS ON AIR BAGS BRAKE SWITCHES AND ELECTRICAL ISSUES NOTHING MECHANICAL.....
NHTSA ODI #10945230
88,000 miles · Dec 20, 2016
Air Bags
PASSENGER SIDE AIR BAG SENSOR PROBLEM. AIR BAG WILL NOT INFLATE UPON INOACT. WARNING LIGHT ON ALL THE TIME
NHTSA ODI #10936536
Mileage unknown · Dec 3, 2016
Electrical SystemEngineFuel/propulsion System
I HAVE A 2006 HUMMER H3 AND I'VE HAD ISSUES WITH MY IGNITION SWITCH CUTTING OFF WHILE I'M DRIVING DOWN THE ROAD . THERE ARE TIMES THAT MY CAR WILL NOT START DO TO THIS. I'VE HAD IT TESTED AND IT'S THE IGNITION SWITCH THAT I'M TAKING ABOUT. WHY IS THIS NOT BEING RECALLED!!!!! SOMEONE'S LIFE CAN BE TAKEN AWAY FOR SOMETHING THAT KE…
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I HAVE A 2006 HUMMER H3 AND I'VE HAD ISSUES WITH MY IGNITION SWITCH CUTTING OFF WHILE I'M DRIVING DOWN THE ROAD . THERE ARE TIMES THAT MY CAR WILL NOT START DO TO THIS. I'VE HAD IT TESTED AND IT'S THE IGNITION SWITCH THAT I'M TAKING ABOUT. WHY IS THIS NOT BEING RECALLED!!!!! SOMEONE'S LIFE CAN BE TAKEN AWAY FOR SOMETHING THAT KEEPS HAPPENING TO THESE HUMMER H3!!!!!
NHTSA ODI #10929751
Mileage unknown · Nov 23, 2016
StructureSuspension
TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT THE STRUCTURAL FRAME COMPLETELY RUSTED. ALSO, THE LEAF SPRINGS WERE FRACTURED, WHICH WERE A MAJOR PART OF THE VEHICLE'S STRUCTURE AND COULD DAMAGE THE WHEEL. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VIN AND FAILURE MILEAGE WERE UNKNOWN.
NHTSA ODI #10927689
70,000 miles · Oct 21, 2016
Engine
TL* THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING AT AN UNKNOWN SPEED, THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE SECOND CYLINDER WAS MISFIRING AND THE HEAD GASKET AND/OR CYLINDER NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER …
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TL* THE CONTACT OWNS A 2006 HUMMER H3. WHILE DRIVING AT AN UNKNOWN SPEED, THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE SECOND CYLINDER WAS MISFIRING AND THE HEAD GASKET AND/OR CYLINDER NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 70,000. THE VIN WAS UNAVAILABLE.
NHTSA ODI #10917745
150,000 miles · Oct 3, 2016
Engine
APPROXIMATELY AT 150,000 MILES, WHILE MAKING A DELIVERY AT THE COUNTY DISPOSAL FACILITY, WHILE MOVING SLOWLY AND PARKING AT EACH STATION, THE ENGINE STARTED CUTTING OFF AND IDLING VERY POORLY, SLIGHTLY KNOCKING. I MADE IT HOME CHECKED THE OIL' WHICH READ LOW, SO I CHANGED THE OIL, OVER 5 QUARTS REMOVED, IT ONLY REQUIRES 6 QTS MA…
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APPROXIMATELY AT 150,000 MILES, WHILE MAKING A DELIVERY AT THE COUNTY DISPOSAL FACILITY, WHILE MOVING SLOWLY AND PARKING AT EACH STATION, THE ENGINE STARTED CUTTING OFF AND IDLING VERY POORLY, SLIGHTLY KNOCKING. I MADE IT HOME CHECKED THE OIL' WHICH READ LOW, SO I CHANGED THE OIL, OVER 5 QUARTS REMOVED, IT ONLY REQUIRES 6 QTS MAX, AND I REPLACED IT WITH 5 QUARTS OF FULL SYNTHETIC, WITH BG CLEANERS. INITIALLY IT STARTED, IDLED, AND RAN BETTER BUT AFTER 30 MINUTES THE ENGINE KNOCKS RESUMED. THE NEXT DAY I TOOK IT TO MY MECHANIC, HE ASSESSED AND DIAGNOSED IT, CONCLUDING THAT THE ENGINE WAS BAD AND NEEDED REPLACING. I HAD IT THAT CONFIRMED WITH ANOTHER MECHANIC. WENT ON THE HUMMER FORUM BLOGS AND READ MANY SIMILAR COMPLAINTS ABOUT THE ENGINE AND PISTONS WARPING OR DYING BETWEEN 75K-150K. MOST BLAMING GM FOR PUTTING IN DEFECTIVE PISTONS OR AND UNDERSIZED ENGINE 3.5L IN A HEAVY ALL 4 WHEEL DRIVE VEHICLE? NOT SURE WHERE TO GO FROM HERE, A USED OR REFURBISHED ENGINE IS $2500-$3500, WITH INSTALLATION ANOTHER$3000-$3500? I'M NOT SURE IF IT'S WORTH THE STEEP INVESTMENT?
NHTSA ODI #10911210
52,000 miles · Sep 16, 2016
Electrical SystemFire
TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT A FIRE STARTED UNDER THE FRONT DRIVER'S SEAT AND THE WIRING HARNESS MELTED. THE CONTACT STATED THAT THE POSITIVE WIRE WAS REPLACED; HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 15V421000 …
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TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT A FIRE STARTED UNDER THE FRONT DRIVER'S SEAT AND THE WIRING HARNESS MELTED. THE CONTACT STATED THAT THE POSITIVE WIRE WAS REPLACED; HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE VEHICLE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY). THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 52,000. THE VIN WAS NOT AVAILABLE.
NHTSA ODI #10907278
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 ↗