Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
460–25K
3225–50K
6450–75K
5475–100K
71100–150K
19150K+
286 reports with mileage · 75 unknown
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 96 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Engine. Review the 52 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Structure. Review the 36 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
10 crash reports27 fire reports7 injury reports
What owners actually said
361 reports
93,000 miles · Aug 7, 2012
Electrical System
AS I WAS LEAVING WORK THE OTHER DAY, MY HUMMER H3 LOST ITS A/C. AS I CHECKED IT OUT I FOUND THAT THE A/C PUMP WOULD TURN ON, BUT THERE WAS NOTHING BLOWING THRU THE VENTS. AS I DID AN INTERNET SEARCH I FOUND A BLOG REGARDING THIS VERY PROBLEM, IT SEEMS TO BE AN ISSUE WITH A RESISTOR AND CONNECTOR IN THE BLOWER SYSTEM. IT MELTS…
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AS I WAS LEAVING WORK THE OTHER DAY, MY HUMMER H3 LOST ITS A/C. AS I CHECKED IT OUT I FOUND THAT THE A/C PUMP WOULD TURN ON, BUT THERE WAS NOTHING BLOWING THRU THE VENTS. AS I DID AN INTERNET SEARCH I FOUND A BLOG REGARDING THIS VERY PROBLEM, IT SEEMS TO BE AN ISSUE WITH A RESISTOR AND CONNECTOR IN THE BLOWER SYSTEM. IT MELTS AND BECOMES USELESS. THIS IS NOT ONLY AN INCONVENIENCE AT 100 PLUS DEGREES, IT IS A FIRE HAZARD AS WELL. I BELIEVE THIS NEEDS TO BE LOOKED INTO. *TR
NHTSA ODI #10469473
49,000 miles · Jul 20, 2012
Exterior Lighting
TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT WHILE DRIVING 60 MPH THE PLASTIC HOLDER FOR THE LIGHTS ON THE ROOF OF THE VEHICLE BROKE. THE LIGHTS THEN BECAME LOOSE AND CAUSED THE VEHICLE TO JERK VIOLENTLY. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE PART EXHIBITED A MANUFACTURING DEFECT AND HAD BEEN …
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TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT WHILE DRIVING 60 MPH THE PLASTIC HOLDER FOR THE LIGHTS ON THE ROOF OF THE VEHICLE BROKE. THE LIGHTS THEN BECAME LOOSE AND CAUSED THE VEHICLE TO JERK VIOLENTLY. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE PART EXHIBITED A MANUFACTURING DEFECT AND HAD BEEN DISCONTINUED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE WHO DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 49,000.
NHTSA ODI #10466823
103,000 miles · Jul 19, 2012
Engine
TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 65 MPH, THE VEHICLE SUDDENLY STALLED. THE CHECK ENGINE LIGHT ILLUMINATED ON THE INSTRUMENT PANEL DURING THE FAILURE. THE VEHICLE WAS TAKEN TO THE DEALER FOR A DIAGNOSTIC TEST. THE TECHNICIAN STATED THAT THE ENGINE'S CYLINDER HEAD WOULD HAV…
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TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 65 MPH, THE VEHICLE SUDDENLY STALLED. THE CHECK ENGINE LIGHT ILLUMINATED ON THE INSTRUMENT PANEL DURING THE FAILURE. THE VEHICLE WAS TAKEN TO THE DEALER FOR A DIAGNOSTIC TEST. THE TECHNICIAN STATED THAT THE ENGINE'S CYLINDER HEAD WOULD HAVE TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 103,000.
NHTSA ODI #10466600
38,000 miles · Jul 16, 2012
Fuel/propulsion SystemSeat Belts
TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT THE SEAT BELT WARNING LIGHT WAS ILLUMINATED FOR TWELVE MONTHS. THE CHECK ENGINE AND THE EVAPORATION SYSTEM LIGHTS HAD ALSO BEEN ILLUMINATED SINCE 2000. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE FAILURE COULD BE RELATED TO THE EVAPORATION SYSTEM AND GAS…
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TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT THE SEAT BELT WARNING LIGHT WAS ILLUMINATED FOR TWELVE MONTHS. THE CHECK ENGINE AND THE EVAPORATION SYSTEM LIGHTS HAD ALSO BEEN ILLUMINATED SINCE 2000. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE FAILURE COULD BE RELATED TO THE EVAPORATION SYSTEM AND GASOLINE CAP BUT THE DEALER WAS UNABLE TO DETERMINE WHAT CAUSED THE FAILURE TO OCCUR. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 38,000 AND THE CURRENT MILEAGE WAS 79,000. THE VIN WAS NOT AVAILABLE.
NHTSA ODI #10465824
50,300 miles · Jul 12, 2012
Electrical System
WIRING HARNESS AND RESISTOR BURNED FOR THE SECOND TIME FOR THE A/C BLOWER. *TR
NHTSA ODI #10465481
53,000 miles · Jul 6, 2012
Electrical System
BURNED OUT LIKE MANY OTHERS. *TR
NHTSA ODI #10464421
105,000 miles · Jun 20, 2012
StructureVisibility
TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT RAIN WATER BEGAN TO FLOOD THE VEHICLE WHILE DRIVING. THE VEHICLE WAS TAKEN TO THE DEALER FOR A DIAGNOSIS. THE CONTACT WAS INFORMED THAT DUE TO THE DRAIN LINES BEING TOO SMALL, THEY WOULD NEED TO BE RETRO-FITTED AT THE CONSUMER'S EXPENSE. THE MANUFACTURER WAS NOTIFIED…
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TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT RAIN WATER BEGAN TO FLOOD THE VEHICLE WHILE DRIVING. THE VEHICLE WAS TAKEN TO THE DEALER FOR A DIAGNOSIS. THE CONTACT WAS INFORMED THAT DUE TO THE DRAIN LINES BEING TOO SMALL, THEY WOULD NEED TO BE RETRO-FITTED AT THE CONSUMER'S EXPENSE. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE AND OFFERED A CREDIT TOWARDS HER NEXT PURCHASE OF ONE OF THEIR NEWER VEHICLES. THE VEHICLE WAS REPAIRED AT THE OWNER'S EXPENSE. THE FAILURE AND CURRENT MILEAGES WERE 105,000. THE CONSUMER STATED THE ENTIRE VEHICLE HAD TO BE STRIPPED, TREATED AND DRIED. THE ISSUE WAS THE DRAIN LINES IN THE SUN ROOD PAN.
NHTSA ODI #10462443
122,000 miles · Jun 4, 2012
Electrical System
DESCRIPTION OF THE COMPLAINT: THE BLOWER ON MY 2006 HUMMER H3 STOPPED WORKING WHILE DRIVING DOWN THE HIGHWAY BURNT PLASTIC SMELL WHEN THE BLOWER STOPPED. BUT THE BLOWER NEVER WORKED AGAIN. I FOUND THAT THIS IS A HUGE ISSUE FOR NOT JUST HUMMER OWNERS, BUT OTHER GM VEHICLE OWNERS. THE RESISTOR AND PLASTIC CLIP WERE MELTED TOGE…
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DESCRIPTION OF THE COMPLAINT: THE BLOWER ON MY 2006 HUMMER H3 STOPPED WORKING WHILE DRIVING DOWN THE HIGHWAY BURNT PLASTIC SMELL WHEN THE BLOWER STOPPED. BUT THE BLOWER NEVER WORKED AGAIN. I FOUND THAT THIS IS A HUGE ISSUE FOR NOT JUST HUMMER OWNERS, BUT OTHER GM VEHICLE OWNERS. THE RESISTOR AND PLASTIC CLIP WERE MELTED TOGETHER THIS RESISTOR FOR THE AC BLOWER IS LOCATED RIGHT UNDER THE GLOVE COMPARTMENT DAMAGE DANGER THIS ISSUE POSES. OTHER POSTS HTTP://WWW.HUMMERFORUMS.COM/FORUM. I HAD TO SPEND 325.00 AND SEE GM HAS MANY PROBLEMS CONCERNING THIS ISSUE ALOT ON THE TRUCK. *TR
NHTSA ODI #10460536
73,000 miles · Jun 1, 2012
Visibility
VEHICLE BLOWER MOTOR FAILED. OTHER REPORTS ON THE INTERNET SHOW THAT THIS IS A PROBLEM WITH THIS YEAR AND MAKE. THE WIRING MELTS AND CAUSES THE MOTOR FAN TO FAIL. *TR
NHTSA ODI #10460230
55,000 miles · May 24, 2012
Structure
THIS HAS ACTUALLY HAPPENED SEVERAL TIMES. WATER DRAINAGE FOR THE SUNROOF SYSTEM GET CLOGGED REALLY EASILY AND FAST. WATER WILL SPILL OUT FROM WATER TRAY AND WILL RUN OVER THE CEILING AND FALL THROUGH THE ROOF MIC (USED FOR ONSTAR), LOCATED DIRECTLY ABOVE THE DRIVER'S FACE. WHEN DRIVING AND TURNING, WATER WILL MOVE SIDE WAYS AND…
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THIS HAS ACTUALLY HAPPENED SEVERAL TIMES. WATER DRAINAGE FOR THE SUNROOF SYSTEM GET CLOGGED REALLY EASILY AND FAST. WATER WILL SPILL OUT FROM WATER TRAY AND WILL RUN OVER THE CEILING AND FALL THROUGH THE ROOF MIC (USED FOR ONSTAR), LOCATED DIRECTLY ABOVE THE DRIVER'S FACE. WHEN DRIVING AND TURNING, WATER WILL MOVE SIDE WAYS AND IT WILL SPILL THROUGH THE MIC AND SUNROOF WINDOW INTERIOR OPENING, SOAKING THE DRIVER WHILE DRIVING. NOT SAFE AT ALL. DRAINAGE DESIGN IS FLAW, AND IT KEEPS CLOGGING AFTER FIXING IT. *TR
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.
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.
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.
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 ↗
NHTSA investigations
0
No exact-year investigations in this snapshot.
2006 Hummer H3 Problems, Complaints & Recalls | Skip That Year