Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
180–25K
2325–50K
4650–75K
3075–100K
59100–150K
16150K+
192 reports with mileage · 45 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 76 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Engine. Review the 44 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Visibility/wiper. Review the 24 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
12 crash reports18 fire reports13 injury reports
What owners actually said
237 reports
125,000 miles · Sep 23, 2015
Visibility
TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING AT APPROXIMATELY 65 MPH, THE BLOWER MOTOR BECAME INOPERABLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE CONNECTOR AND THE BLOWER FAILED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 125…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING AT APPROXIMATELY 65 MPH, THE BLOWER MOTOR BECAME INOPERABLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE CONNECTOR AND THE BLOWER FAILED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 125,000.
NHTSA ODI #10775369
62,000 miles · Sep 16, 2015
Air Bags
OUR HUMMER AIRBAG LIGHT KEEPS COMING ON. TAKEN IT TO TWO DIFFERENT SHOP AND THEY RESET THE LIGHT AND IT COMES BACKS ON. THE DEALER SAYS THEY ARE UNAWARE OF ANY PROBLEM, BUT I LOOK IT UP ON THE INTERNET AND THERE IS ALOT OF COMPLAINTS.
NHTSA ODI #10764303
142,066 miles · Sep 8, 2015
Visibility/wiper
TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE BLOWER MOTOR FUNCTIONED ONLY IN THE HIGH SETTING INTERMITTENTLY. 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 WA…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE BLOWER MOTOR FUNCTIONED ONLY IN THE HIGH SETTING INTERMITTENTLY. 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 142,066.
NHTSA ODI #10762329
91,000 miles · Sep 3, 2015
Electrical System
TODAY I AM REACHING OUT TO YOU FOR YOUR HELP. THIS LETTER IS IN REFERENCE TO THE GM RECALL ON THE HUMMER H3 A/C MODULE RESISTOR THAT WAS ISSUED IN JULY OF 2015. MY WIFE AND I HAVE REACHED OUT TO GM ON MULTIPLE OCCASIONS WITH NO RESOLUTION IN SITE. I ASK THAT THE NHTSA DEMAND GM ESTABLISH A TIMELINE FOR THE COMPLETION OF A CORR…
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TODAY I AM REACHING OUT TO YOU FOR YOUR HELP. THIS LETTER IS IN REFERENCE TO THE GM RECALL ON THE HUMMER H3 A/C MODULE RESISTOR THAT WAS ISSUED IN JULY OF 2015. MY WIFE AND I HAVE REACHED OUT TO GM ON MULTIPLE OCCASIONS WITH NO RESOLUTION IN SITE. I ASK THAT THE NHTSA DEMAND GM ESTABLISH A TIMELINE FOR THE COMPLETION OF A CORRECTED PART AND THAT GM PROVIDE AN ADEQUATE ALTERNATIVE OPTION TO GM CUSTOMERS FACED WITH THIS ISSUE UNTIL THE PART IS AVAILABLE. MY CONCERN IS OVER MY WELL-BEING AS WELL AS MY FAMILIES. ON MONDAY AUGUST 31, 2015, I WAS DRIVING HOME FROM WORK WHEN I NOTICED A BURNING SMELL COMING FROM UNDERNEATH MY GLOVE BOX. AFTER I PULLED OVER AND EXAMINED CLOSER I COULD SEE THE ISSUE WAS FROM THE A/C MODULE RESISTER THAT WAS RECENTLY RECALLED. THE RESISTER HAD BURNED THROUGH PART OF THE HARNESS ATTACHMENT. UPON REACHING OUT TO GM, THEY STATED I ONLY HAD TWO COURSES OF ACTION: 1) TO REPLACE THE PART WITH ANOTHER FAULTY PART (WHICH I WOULD HAVE TO PAY FOR) AND HOPE THAT THE PART DOES NOT SHORT / CATCH FIRE BEFORE THEY ARE ABLE TO COME OUT WITH THE CORRECTED PART (WHICH WOULD BE FREE). 2) WAIT FOR A CORRECTED PART TO BECOME AVAILABLE. THE MAIN ISSUES WITH THE SECOND OPTION ARE THAT GM HAS NO TIMELINE FOR THE COMPLETION/AVAILABILITY OF THE CORRECTED AC MODULE RESISTOR (CUSTOMER SERVICE SAID ANYWHERE FROM 1 MONTH TO MULTIPLE YEARS). THIS WOULD LEAVE THE CUSTOMER (WITHOUT HEAT OR A/C) FOR AN EXTENDED PERIOD OF TIME. MY CURRENT WORK COMMUTE TOTALS 2 HOURS EVERY DAY. WHERE I LIVE THIS BECOMES PROBLEMATIC DUE TO SEVERE SUMMER / WINTER CLIMATES (AS I WRITE TO YOU THERE ARE HEAT WARNINGS IN EFFECT). GM HAS KNOWN ABOUT THIS ISSUE SINCE 2009, YET THEY FAILED TO ACT. NOW THE CONSUMER IS FORCED TO FACE THE CONSEQUENCES OF THEIR ILL PLANNING AND NEGLECT WHILE GM CONTINUES TO ACT INEPT. PLEASE HELP GM REALIZE THAT GM CUSTOMER LIVES MATTER.
NHTSA ODI #10761358
120,179 miles · Sep 3, 2015
Visibility
TL* THE CONTACT OWNS A 2007 HUMMER H3. WHEN IT RAINED, WATER LEAKED FROM THE SUN ROOF AND INTO THE VEHICLE. THE FAILURE OCCURRED DURING RAINY WEATHER CONDITIONS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS REPAIRED, BUT THE REPAIR FAILED TO REMEDY THE VEHICLE. THE DETAILS OF THE REPAIRS WERE UNKNOWN. THE MANUFA…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. WHEN IT RAINED, WATER LEAKED FROM THE SUN ROOF AND INTO THE VEHICLE. THE FAILURE OCCURRED DURING RAINY WEATHER CONDITIONS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS REPAIRED, BUT THE REPAIR FAILED TO REMEDY THE VEHICLE. THE DETAILS OF THE REPAIRS WERE UNKNOWN. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 120,179.
NHTSA ODI #10761270
100,000 miles · Sep 1, 2015
Electrical SystemEquipmentFire
TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING AT APPROXIMATELY 40 MPH, THE CONTACT TURNED ON THE AIR CONDITIONER AND HEARD AN ABNORMAL NOISE AND SMELLED A BURNING ODOR. THE CONTACT STATED THAT THIS WAS A RECURRING FAILURE. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE TECHNICIAN STATED THAT THE SENSOR ON…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING AT APPROXIMATELY 40 MPH, THE CONTACT TURNED ON THE AIR CONDITIONER AND HEARD AN ABNORMAL NOISE AND SMELLED A BURNING ODOR. THE CONTACT STATED THAT THIS WAS A RECURRING FAILURE. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE TECHNICIAN STATED THAT THE SENSOR ON THE COMPUTER UNDER THE DASHBOARD NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.
NHTSA ODI #10760716
117,000 miles · Aug 18, 2015
Electrical SystemFire
TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE VEHICLE STALLED SEVERAL TIMES WITHOUT WARNING. THE VEHICLE WAS TOWED TO A DEALER OVER SEVEN TIMES FOR UNKNOWN REPAIRS BUT THE FAILURE RECURRED. THE CONTACT ALSO STATED THAT THE VEHICLE OVERHEATED SEVERAL TIMES. THE CONTACT ALSO SMELLED STRONG FUMES AS IF THERE WE…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE VEHICLE STALLED SEVERAL TIMES WITHOUT WARNING. THE VEHICLE WAS TOWED TO A DEALER OVER SEVEN TIMES FOR UNKNOWN REPAIRS BUT THE FAILURE RECURRED. THE CONTACT ALSO STATED THAT THE VEHICLE OVERHEATED SEVERAL TIMES. THE CONTACT ALSO SMELLED STRONG FUMES AS IF THERE WERE WIRES THAT COULD BE BURNING. THE DEALER WAS NOTIFIED OF THE FAILURE AND WAS UNABLE TO REPLICATE THE FAILURE. THE CONTACT LATER RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY). THE DEALER WAS UNABLE TO SUPPLY THE PART WITHIN A REASONABLE TIMEFRAME TO REPAIR THE VEHICLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 117,000.
NHTSA ODI #10749371
Mileage unknown · Aug 14, 2015
Visibility/wiper
TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY); HOWEVER, THE PART NEEDED TO REPAIR THE VEHICLE WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY); HOWEVER, THE PART NEEDED TO REPAIR THE VEHICLE WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE.
NHTSA ODI #10748743
63,400 miles · Jul 23, 2015
Service Brakes
WHEN HAVING BRAKE WORK DONE ON MY VEHICLE IT WAS FOUND TO HAVE BULGES IN 3 OF THE 4 BRAKE LINES.
NHTSA ODI #10736160
65,000 miles · Jul 17, 2015
Electrical System
TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WHEN THE KEY WAS IN THE IGNITION AND TURNED TO THE ON POSITION, THE PASS LOCK WARNING LIGHT ILLUMINATED AND THE ENGINE FAILED TO START. AFTER 15 MINUTES, THE CONTACT WAS ABLE TO RESTART THE ENGINE. THE VEHICLE WAS TAKEN TO A DEALER, WHO DIAGNOSED THAT THE THEFT DETER…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WHEN THE KEY WAS IN THE IGNITION AND TURNED TO THE ON POSITION, THE PASS LOCK WARNING LIGHT ILLUMINATED AND THE ENGINE FAILED TO START. AFTER 15 MINUTES, THE CONTACT WAS ABLE TO RESTART THE ENGINE. THE VEHICLE WAS TAKEN TO A DEALER, WHO DIAGNOSED THAT THE THEFT DETERRENCE SYSTEM FAILED. THE VEHICLE WAS REPAIRED SEVERAL TIMES, BUT THE FAILURE PERSISTED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 65,000.
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.
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.
2007 Hummer H3 Problems, Complaints & Recalls | Skip That Year