NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
237 reports40,000 miles · Nov 13, 2012
Electrical System
TL* THE CONTACT OWNS 2007 HUMMER H3. THE CONTACT STATED THAT THE IGNITION FAILED TO RECOGNIZED THE KEY, CAUSING THE ANTI-THEFT SYSTEM TO ACTIVATE. THE VEHICLE WAS TAKEN TO THE DEALER SEVERAL TIMES WHO WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE WHO DID NOT OFFER ANY ASSISTANCE. THE VEHICLE …
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TL* THE CONTACT OWNS 2007 HUMMER H3. THE CONTACT STATED THAT THE IGNITION FAILED TO RECOGNIZED THE KEY, CAUSING THE ANTI-THEFT SYSTEM TO ACTIVATE. THE VEHICLE WAS TAKEN TO THE DEALER SEVERAL TIMES WHO WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE WHO DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 40,000 AND THE CURRENT MILEAGE WAS 98,000.
NHTSA ODI #10484553
76,500 miles · Sep 29, 2012
Electrical SystemVisibilityFire
I WAS IN A PARKING LOT, I STARTED THE VEHICLE AND TURNED THE AIR CONDITIONER ON. IT WORKED BUT SUDDENLY STOPPED BLOWING AIR. I TOOK IT IN AND IT WAS DIAGNOSED AS THE BLOWER MOTOR RESISTOR HAD GONE OUT. I HAD IT REPLACED ONLY TO HAVE THE SAME THING HAPPEN AGAIN ONE WEEK LATER BUT THIS TIME I SMELLED SOMETHING BURNING. THE WIRING …
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I WAS IN A PARKING LOT, I STARTED THE VEHICLE AND TURNED THE AIR CONDITIONER ON. IT WORKED BUT SUDDENLY STOPPED BLOWING AIR. I TOOK IT IN AND IT WAS DIAGNOSED AS THE BLOWER MOTOR RESISTOR HAD GONE OUT. I HAD IT REPLACED ONLY TO HAVE THE SAME THING HAPPEN AGAIN ONE WEEK LATER BUT THIS TIME I SMELLED SOMETHING BURNING. THE WIRING HAD BURNED GOING TO THE RESISTOR. THE TECHNICIAN INFORMED ME THAT THIS HAPPENS OFTEN WITH THESE VEHICLES AND HE DOESN'T UNDERSTAND WHY THERE ISN'T A RECALL. AFTER RESEARCHING THE PROBLEM, I FOUND THAT THIS IS A COMMON AND POTENTIALLY VERY DANGEROUS PROBLEM WITH THE HUMMER H3. THERE NEEDS TO BE AN INVESTIGATION AND RECALL SO THAT NO ONE GETS HURT. IF I HAD A PASSENGER IN MY VEHICLE AT THE TIME OF THIS INCIDENT, THEY WOULD HAVE RECEIVED BURNS ON THEIR FEET FROM THE WIRING MALFUNCTION AND BURNING. I AGAIN AM HAVING TO PAY TO GET THIS CORRECTED. VIN # [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10477479
67,000 miles · Sep 6, 2012
Engine
THE RADIATOR DEVELOPED A STRESS CRACK AND SUBSEQUENTLY FAILED. DEALER ADVISES THIS IS A COMMON PROBLEM FOR THIS MAKE AND MODEL AND THEY STOCK REPAIR PART ACCORDINGLY. DEALER ADVISED TO REPORT INCIDENT AND ENOUGH REPORTS MAY PROMPT SPECIAL SERVICE REPAIR OR RECALL. *TR
NHTSA ODI #10474048
48,000 miles · Aug 12, 2012
Exterior LightingService Brakes
STARTED OUT RIGHT REAR BLINKER. GREW TO BOTH REAR BLINKERS. THEN TO ALL SYSTEMS WORKED WHILE BRAKES APPLIED,THEN TO REAR BLINKER FUSE BLOWS WHEN BRAKES APPLIED. THE BULBS WERE CHANGED BUT NOT DAMAGED ,DIAGNOSIS IS BODY CONTROL MODULE. THIS IS A RECURRING PROBLEM WITH THIS SUV AND IS A SERIOUS SAFETY HAZARD TO HAVE BRAKE LIGH…
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STARTED OUT RIGHT REAR BLINKER. GREW TO BOTH REAR BLINKERS. THEN TO ALL SYSTEMS WORKED WHILE BRAKES APPLIED,THEN TO REAR BLINKER FUSE BLOWS WHEN BRAKES APPLIED. THE BULBS WERE CHANGED BUT NOT DAMAGED ,DIAGNOSIS IS BODY CONTROL MODULE. THIS IS A RECURRING PROBLEM WITH THIS SUV AND IS A SERIOUS SAFETY HAZARD TO HAVE BRAKE LIGHT FAILURE AND BLINKER FAILURE. SHOULD BE RECALLED. *TR
NHTSA ODI #10470296
61,000 miles · Aug 10, 2012
Electrical SystemFire
TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT HE STARTED THE VEHICLE AND NOTICED THAT THE AIR CONDITIONER WAS NO LONGER FUNCTIONING. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER AND THE CONTACT WAS INFORMED THAT THE FAN SWITCH NEEDED TO BE REPAIRED. THE CONTACT WAS ALSO INFORMED THAT THE WIRING HARNESS WAS BURN…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT HE STARTED THE VEHICLE AND NOTICED THAT THE AIR CONDITIONER WAS NO LONGER FUNCTIONING. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER AND THE CONTACT WAS INFORMED THAT THE FAN SWITCH NEEDED TO BE REPAIRED. THE CONTACT WAS ALSO INFORMED THAT THE WIRING HARNESS WAS BURNED. THE VEHICLE WAS IN THE PROCESS OF BEING REPAIRED. THE FAILURE MILEAGE WAS 61,000. THE VIN WAS UNAVAILABLE.
NHTSA ODI #10470126
47,950 miles · Aug 10, 2012
Electrical SystemEquipment
MALFUNCTION OF AIR BLOWER FOR AIR CON AND HEAT, MELTED PLASTIC ON RESISTOR, RENDERED IN OPT. *TR
NHTSA ODI #10470076
53,600 miles · Aug 3, 2012
Electrical SystemEngineFuel/propulsion System
I AM THE ORIGINAL OWNER OF A 2007 GENERAL MOTORS HUMMER H3. THE AUTO HAS BEEN WELL MAINTAINED AND PROFESSIONALLY SERVICED BY A GM DEALERSHIP. THE VEHICLE HAS 53,600 MILES AND IS IN PERFECT MECHANICAL CONDITION EXCEPT THIS RECENT ISSUE WITH PASSLOCK SECURITY WHICH HAS RENDERED THE VEHICLE UNRELIABLE AND A PERSONAL AND PUBLIC SA…
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I AM THE ORIGINAL OWNER OF A 2007 GENERAL MOTORS HUMMER H3. THE AUTO HAS BEEN WELL MAINTAINED AND PROFESSIONALLY SERVICED BY A GM DEALERSHIP. THE VEHICLE HAS 53,600 MILES AND IS IN PERFECT MECHANICAL CONDITION EXCEPT THIS RECENT ISSUE WITH PASSLOCK SECURITY WHICH HAS RENDERED THE VEHICLE UNRELIABLE AND A PERSONAL AND PUBLIC SAFETY HAZARD. THE VEHICLE IS LESS THAN 30 DAYS OUT OF WARRANTY AND DEALER WILL NOT REPAIR UNDER WARRANTY. IN RECENT WEEKS, THE PASSLOCK SECURITY LIGHT BEGAN RANDOMLY ILLUMINATING WHILE DRIVING. THIS LIGHT COULD EXTINGUISH ON NEXT START OR STAY ILLUMINATED THROUGH SEVERAL STARTS. TWO WEEKS AGO WHILE RETURNING FROM A TRIP LATER AT NIGHT, THE VEHICLE WAS DISABLED AND FAILED TO START IN AN AIRPORT PARKING LOT. THE PASSLOCK LIGHT CONTINUALLY FLASHED AND THE ENGINE CRANKED, BUT WITHOUT STARTING. A TOW TRUCK WAS CALLED, BUT BY THE TIME IT ARRIVED, AN ATTEMPT TO START THE VEHICLE WAS SUCCESSFUL AND THE LIGHT WAS EXTINGUISHED. THIS HAS HAPPENED AT LEAST TWICE SINCE IN LESS INCONVENIENT AND LESS DANGEROUS AREAS. THE VEHICLE IS UNRELIABLE AND UNSAFE. I CANNOT TRUST IT TO ALLOW MY WIFE TO DRIVE IT FOR FEAR IF HER BEING MAROONED IN A DANGEROUS SITUATION. THE DEALER HAS INDICATED IT MIGHT BE SEVERAL HUNDRED DOLLARS TO REPAIR THIS PROBLEM AND WAS WELL AWARE THAT IT WAS A WIDESPREAD PROBLEM WITH GM AUTOS. THERE ARE HUNDREDS OF SIMILAR COMPLAINTS ON THE INTERNET AND YET THERE IS NO RESPONSE OR ATTEMPT TO REMEDY THIS SITUATION BY THE MANUFACTURER. I AM A SENIOR CITIZEN AND NEED TO RELY ON MY VEHICLE, BUT CANNOT RELY ON A VEHICLE WHOSE SECURITY SYSTEM CAN DISABLE THE VEHICLE AT ANY RANDOM TIME. AS MY REPRESENTATIVE, I REQUEST THE NHTSA ADDRESS THIS WITH THE MANUFACTURER AND REMEDY THIS SAFETY CONCERN. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10469089
60,000 miles · Jul 20, 2012
Electrical System
TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE AIR CONDITIONING UNIT FAN FAILED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE FAILURE WAS LOCATED AT THE WIRING HARNESS. THE VEHICLE WAS REPAIRED. THE CONTACT STATED THAT HE OWNED A SECOND 2007 HUMMER AND THE FAN WIRING HARNESS FAILURE WAS EXPERIENCED ON THE OT…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE AIR CONDITIONING UNIT FAN FAILED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE FAILURE WAS LOCATED AT THE WIRING HARNESS. THE VEHICLE WAS REPAIRED. THE CONTACT STATED THAT HE OWNED A SECOND 2007 HUMMER AND THE FAN WIRING HARNESS FAILURE WAS EXPERIENCED ON THE OTHER VEHICLE AS WELL. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE AND THE CURRENT MILEAGE WAS 60,000.
NHTSA ODI #10466743
65,370 miles · Jul 19, 2012
Engine
TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT WAS TRAVELING 40 MPH WHEN WHITE STEAM EMITTED FROM THE ENGINE. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC. THE MECHANIC CONFIRMED THAT THE RADIATOR SEAL WAS CRACKED. THE MANUFACTURER WAS CONTACTED. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 65,370 AND THE CURRENT MILEAGE…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT WAS TRAVELING 40 MPH WHEN WHITE STEAM EMITTED FROM THE ENGINE. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC. THE MECHANIC CONFIRMED THAT THE RADIATOR SEAL WAS CRACKED. THE MANUFACTURER WAS CONTACTED. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 65,370 AND THE CURRENT MILEAGE WAS 77,000.
NHTSA ODI #10466642
54,000 miles · May 31, 2012
Service Brakes
TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE VEHICLE WAS TURNED OFF AND THE BRAKES WERE ENGAGED WHEN THE VEHICLE BEGAN TO ROLL AWAY IN REVERSE. THE CONTACT WAS ABLE TO STOP THE FAILURE. THE VEHICLE WAS TAKEN TO THE DEALER AND THE MANUFACTURER WAS MADE AWARE OF THE ISSUE BUT THE VEHICLE WAS NOT REPAIRED. T…
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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE VEHICLE WAS TURNED OFF AND THE BRAKES WERE ENGAGED WHEN THE VEHICLE BEGAN TO ROLL AWAY IN REVERSE. THE CONTACT WAS ABLE TO STOP THE FAILURE. THE VEHICLE WAS TAKEN TO THE DEALER AND THE MANUFACTURER WAS MADE AWARE OF THE ISSUE BUT THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGES WERE 54,000.
NHTSA ODI #10460145
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 ↗