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2007 Hummer H3

Owner reports · Recalls · Investigations

More warning signs than most H3 years

Owner complaints for the 2007 Hummer H3 are substantially higher than the model-year median of 91.

About this comparison →

When problems were reported

Mileage at the reported incident

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
100,000 miles · Apr 26, 2016
Electrical System

TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE ATTEMPTING TO START THE VEHICLE, IT FAILED TO START ON THE FIRST ATTEMPT. THE CONTACT STATED THAT THE VEHICLE WOULD SUCCESSFULLY START AFTER SEVERAL ATTEMPTS. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE STARTER FAILED AND NEEDED TO BE REPAIRED. THE VEHICLE WAS …

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TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE ATTEMPTING TO START THE VEHICLE, IT FAILED TO START ON THE FIRST ATTEMPT. THE CONTACT STATED THAT THE VEHICLE WOULD SUCCESSFULLY START AFTER SEVERAL ATTEMPTS. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE STARTER FAILED AND NEEDED TO BE REPAIRED. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.

NHTSA ODI #10861542

115,074 miles · Apr 13, 2016
Visibility

TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY). THE DEALER SCHEDULED AN APPOINTMENT AND THEN LATER INDICATED THAT THE PARTS WERE NOT AVAILABLE. THE CONTACT WAS UNABLE TO DETERMINE WHEN THE PARTS WOULD BECOME AVAILABLE AND THE DEALER PROVIDED NO FURTHER…

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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY). THE DEALER SCHEDULED AN APPOINTMENT AND THEN LATER INDICATED THAT THE PARTS WERE NOT AVAILABLE. THE CONTACT WAS UNABLE TO DETERMINE WHEN THE PARTS WOULD BECOME AVAILABLE AND THE DEALER PROVIDED NO FURTHER INFORMATION. THE CONTACT STATED THAT THERE WAS A PROGRESSING FAILURE IN WHICH THERE WAS SMOKE EMITTING FROM THE VENTS WHILE WAITING TO RECEIVE THE RECALL REMEDY. THE FAILURE MILEAGE WAS 115,074.

NHTSA ODI #10855270

110,488 miles · Apr 6, 2016
Electronic Stability Control (esc)Engine

BOUGHT 2007 HUMMER H3 AT THE END OF FEBRUARY AS IS IN CHICAGO AT NET MOTOR CARS ADDISON ILLINOIS FOR 14000 AND DROVE IT HOME 150 MILES AWAY AND WAS TOLD BY DEALER TO TAKE IT IN TO GM DEALER AND HAVE MY ABS SYSTEM FLASHED BY THEM AND ALL WARNING LIGHTS WILL GO AWAY GM POAGES HAD MY CAR FOR TWO WEEKS COST 560 DOLLARS TO REPAIR THE…

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BOUGHT 2007 HUMMER H3 AT THE END OF FEBRUARY AS IS IN CHICAGO AT NET MOTOR CARS ADDISON ILLINOIS FOR 14000 AND DROVE IT HOME 150 MILES AWAY AND WAS TOLD BY DEALER TO TAKE IT IN TO GM DEALER AND HAVE MY ABS SYSTEM FLASHED BY THEM AND ALL WARNING LIGHTS WILL GO AWAY GM POAGES HAD MY CAR FOR TWO WEEKS COST 560 DOLLARS TO REPAIR THEN A DAY LATER CHECK ENGINE LIGHT CAME ON TOOK IT TO A SHOP AND THEY SAID IF GM HAD IT CHECKING FOR CODES THEY SHOULD HAVE SEEN THE WIRE IF THEY HAD IT ON MACHINE LOOKING FOR CODES BECAUSE THAT WIRE HAD TO BE IN PLACE TO READ THE CODES SO HE TOLD ME TO TAKE IT BACK TO THEM TO REPAIR IT FOR FREE. I TOLD HIM NO FOR HIM TO GO AHEAD AND FIX IT FOR A HUNDRED BECAUSE IF I TAKE IT BACK TO GM POAGE WHAT OTHER TRICK DO THEY HAVE UP THERE SLEVE IF THEY FIX IT. SO HE DID AND IT SHOWED MULTIPLE MISFIRES AND A STEADY MISFIRE ON CYLINDER 5 TOLD THEM TO FIX IT COSTING 1929.90 CAR HAS BEEN IN TWO DIFFERENT SHOPS TWO WEEKS AT THE GM DEALER POAGE AUTO MALL IN DECATUR ILLINOIS VERY DISAPPOINTED ON THERE BEHAVIOR OF BEING SHADY IF THEY HAD IT HOOKED UP FOR TWO WEEKS ON A CODE READER WHY DIDN'T THEY SEE MISFIRES. WILL NEVER DO BUSINESS WITH THEM EVER THEY LOST A 2000 DOLLAR JOB AND MY FUTURE SERVICES LIKE CHANGING OIL ECT. THIS IS BAD BUSINESS. GETTING MY CAR THIS WEEK FROM SOUTH SHORES AUDO WHICH WILL HAVE MY BUSINESS IN THE FUTURE. GM OR AT LEAST DECATUR POAGES AUTO MALL SHOULD BE INVESTIGATED BY TRYING TO SCREW OVER A WOMAN AND WHO ELSE THEY CAN THEY PULLED WIRE SO I WOULD BRING BACK TO GET RADIO REPLACED AS I WAS BECAUSE I ONLY HAD SO MUCH MONEY TO REPLACE I THINK WHEN I WAS GOING TO BRING BACK IN FOR A REFURBISHED TRADE IN RADIO THEY WERE GOING TO INSTALL IT THEN HOOK WIRE BACK UP AND SURPRISE ME WITH THE MISFIRES AND A PROBABLY 3000 DOLLAR JOB. ALSO SOUTH SHORES AUTO TOLD ME NOTHING WRONG WITH RADIO

NHTSA ODI #10853892

98,000 miles · Apr 4, 2016
Electrical SystemEquipment

TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE THE VEHICLE WAS PARKED WITH THE ENGINE OFF, THE RADIO TURNED ON INDEPENDENTLY. THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 98,000.

NHTSA ODI #10853399

Mileage unknown · Mar 14, 2016
Electronic Stability Control (esc)EnginePower Train

FIRST THE ENTIRE COMPUTER SYSTEM STOPPED WORKING. HAD TO REPLACE THR PCM. THEN MY BLOWER STARTED THROWING HOT AIR WHEN ON COLD. HAD TO INSTALL SEPARATE TO RESOLVE THAT ISSUE. HAD TO RE-BUILD THE TRANSMISSION TWICE DUE TO LEAK OF COOLANT INTO THE TRANSMISSION. THIS TRUCK HAS BEEN A NIGHTMARE SO FAR.

NHTSA ODI #10849661

138,000 miles · Mar 10, 2016
Visibility/wiper

TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE BLOWER MOTOR FAILED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY) HOWEVER, THE PART TO DO THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER HAD EXCEEDED A R…

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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE BLOWER MOTOR FAILED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY) HOWEVER, THE PART TO DO THE RECALL REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER HAD EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 138,000.

NHTSA ODI #10845902

87,000 miles · Mar 6, 2016
Electrical SystemStructureUnknown Or OtherCrash

I KEEP GETTING A CODE THAT STATES THAT MY TRUCK RUNS WITH A LOW ENGINE TEMPERATURE. PLUS MY TRUCK HAS HAD A LEAK FROM SOME WHERE AROUND THE LOWER WINDSHIELD THAT IS CAUSING ELECTRICAL PROBLEMS AND SOAKING WET FLOORS! WE HAD A MECHANIC LOOK FOR THE LEAK AND TRY TO FIX THIS ISSUE BUT WAS UNABLE TO FIND THE PROBLEM AND WE WERE ALSO…

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I KEEP GETTING A CODE THAT STATES THAT MY TRUCK RUNS WITH A LOW ENGINE TEMPERATURE. PLUS MY TRUCK HAS HAD A LEAK FROM SOME WHERE AROUND THE LOWER WINDSHIELD THAT IS CAUSING ELECTRICAL PROBLEMS AND SOAKING WET FLOORS! WE HAD A MECHANIC LOOK FOR THE LEAK AND TRY TO FIX THIS ISSUE BUT WAS UNABLE TO FIND THE PROBLEM AND WE WERE ALSO TOLD BY A FEW DEALERSHIP THAT THEY HAVE SEEN A LOT OF H3 HUMMERS WITH THE SAME PROBLEM! ALSO WE ARE HAVING ISSUES THAT CAUSES THE TRACTION SIGNAL TO COME ON REGULARLY AND IT CAUSES MY TRUCK TO LOCK UP. IT HAS ALMOST CAUSED US TO WRECK SEVERAL TIMES! IT'S VERY SCARY TO DRIVE MY HUMMER! EVERY TIME WE HAVE ANY OF THESE PROBLEMS WE ARE ALWAYS IN MOTION AND IT'S ALWAYS ON THE HIGHWAY WHEN WE ARE DRIVING AT HIGHER SPEEDS. IT NEVER SEEMS TO HAPPEN WHILE DRIVING AROUND TOWN!! THIS HAS BEEN CONTINUING GOING ON EVER SINCE WE PURCHASED THIS VEHICLE IN AUGUST 2014

NHTSA ODI #10840152

Mileage unknown · Mar 2, 2016
VisibilityVisibility/wiper

TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V421000 (VISIBILITY); HOWEVER, THE PART NEEDED TO PERFORM THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT NOTIFIED OF THE I…

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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 PERFORM THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT NOTIFIED OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE. UPDATED 05/25/16*LJ *TR

NHTSA ODI #10839405

74,000 miles · Mar 2, 2016
Engine

TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE ENGINE WAS DEFECTIVE. THE ENGINE FAILED TO START NUMEROUS TIMES INTERMITTENTLY. THE ENGINE STARTED AFTER WAITING TEN MINUTES AND THE ANTI-THEFT LIGHT ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE VIN WAS UNKNOWN. THE …

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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE ENGINE WAS DEFECTIVE. THE ENGINE FAILED TO START NUMEROUS TIMES INTERMITTENTLY. THE ENGINE STARTED AFTER WAITING TEN MINUTES AND THE ANTI-THEFT LIGHT ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS 74,000. UPDATED 04/22/16*LJ *TR

NHTSA ODI #10839347

48,000 miles · Mar 1, 2016
Electrical System

I RECEIVED AN IMPORTANT SAFETY RECALL LETTER FROM HUMMER (GM) IN AUGUST 2015 FOR MY 2007 HUMMER H3. IT IS SAFETY RECALL 15042. THE LETTER INDICATED THAT IT WAS A SAFETY RECALL STATING THE CONNECTOR MODULE THAT CONTROLS THE BLOWER MOTOR SPEED IN THE HEAT/VENT/AIR CONDITIONING (HVAC) SYSTEM MAY OVERHEAT UNDER EXTENDED OPERATIONAL …

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I RECEIVED AN IMPORTANT SAFETY RECALL LETTER FROM HUMMER (GM) IN AUGUST 2015 FOR MY 2007 HUMMER H3. IT IS SAFETY RECALL 15042. THE LETTER INDICATED THAT IT WAS A SAFETY RECALL STATING THE CONNECTOR MODULE THAT CONTROLS THE BLOWER MOTOR SPEED IN THE HEAT/VENT/AIR CONDITIONING (HVAC) SYSTEM MAY OVERHEAT UNDER EXTENDED OPERATIONAL PERIODS AT HIGH AND MEDIUM-HIGH BLOWER SPEEDS. IF THIS CONDITION OCCURS THERE COULD BE A RISK OF FIRE. THE LETTER SAID PARTS WEREN'T AVAILABLE AND WHEN THEY WERE I WOULD BE CONTACTED TO ARRANGE A SERVICE APPOINT. AFTER SEVERAL MONTHS AND NO CALL, I CONTACTED THE NUMBER, 1-800-833-6537, AND ASKED WHAT THE HOLD-UP IS ON THE PARTS? I WAS TOLD THE PARTS WERE STILL UNAVAILABLE. AFTER SEVERAL MORE MONTHS, I CALLED AGAIN ONLY TO RECEIVE THE SAME EXCUSE WITH NO PROJECTED DATE OF ARRIVAL. TO ME THIS UNACCEPTABLE ESPECIALLY THIS RECALL INVOLVES A POTENTIAL RISK OF A FIRE. IT IS NOW MARCH 2016 AND I HAVE NOT BEEN CONTACTED. I FIND IT HARD TO BELIEVE THAT IT TAKES SO LONG TO OBTAIN REPLACEMENTS. I AM HESITANT TO USE THE BLOWER MOTOR BECAUSE OF THE POTENTIAL FIRE RISK.

NHTSA ODI #10839195

Official recalls

2

15V421000 · Visibility:defroster/defogger/hvac System:fan/motor

Jul 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.

10V179000 · Structure:body:hood

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 ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.