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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.

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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

Visibility complaints

20 reports
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160,000 miles · Jun 21, 2021
EngineVisibility

The contact owns a 2007 Hummer H3. The contact stated while driving at 50 mph, the vehicle started to overheat and stalled. The contact stated the temperature and the check engine warning light were illuminated. The vehicle was then towed to a local dealer where it has yet to be diagnosed due to the battery needing to be replace…

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The contact owns a 2007 Hummer H3. The contact stated while driving at 50 mph, the vehicle started to overheat and stalled. The contact stated the temperature and the check engine warning light were illuminated. The vehicle was then towed to a local dealer where it has yet to be diagnosed due to the battery needing to be replaced. The vehicle was not repaired. The contact had the vehicle serviced under NHTSA campaign number: 15V421000 (Visibility) prior to experiencing the failure. The manufacturer had not been informed of the failure. The failure mileage was approximately 160,000.

NHTSA ODI #11421692

57,000 miles · Jun 23, 2020
Visibility

TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WATER ENTERED THE VEHICLE FROM THE SUN ROOF ASSEMBLY. THE CONTACT STATED THAT WHILE VACUUMING WATER OUT OF THE VEHICLE, THE AIR BAGS IN THE VEHICLE DEPLOYED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC TO BE DIAGNOSED. THE CONTACT WAS INFORMED TH…

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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WATER ENTERED THE VEHICLE FROM THE SUN ROOF ASSEMBLY. THE CONTACT STATED THAT WHILE VACUUMING WATER OUT OF THE VEHICLE, THE AIR BAGS IN THE VEHICLE DEPLOYED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE SUN ROOF DRAIN TUBES WERE CLOGGED WHICH FAILED TO DRAIN WATER AS INTENDED. THE VEHICLE WAS NOT REPAIRED. THE VEHICLE WAS TAKEN TO BOYLE BUICK GMC TRUCK (3015 EMMORTON RD, ABINGDON, MD 21009) WHERE THE DASHBOARD WAS TAKEN APART AND THE CONTACT WAS INFORMED THAT THE DRAIN LINES WERE DISCONNECTED. THE DRAIN LINES WERE CLEANED AND RECONNECTED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND PROVIDED A CASE NUMBER. THE APPROXIMATE FAILURE MILEAGE WAS 57,000.

NHTSA ODI #11330378

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

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

111,000 miles · Jan 25, 2016
Electrical SystemVisibilityFire

TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING APPROXIMATELY 60 MPH, THE CONTACT SMELLED BURNING PLASTIC. THE VEHICLE BECAME FILLED WITH THE ODOR. THE DEALER DIAGNOSED THAT THE CONNECTOR MODEL, BLOWER SWITCH, AND HVAC UNIT MELTED AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS …

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TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING APPROXIMATELY 60 MPH, THE CONTACT SMELLED BURNING PLASTIC. THE VEHICLE BECAME FILLED WITH THE ODOR. THE DEALER DIAGNOSED THAT THE CONNECTOR MODEL, BLOWER SWITCH, AND HVAC UNIT MELTED AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 111,000.

NHTSA ODI #10822016

106,239 miles · Dec 21, 2015
Visibility

TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING AT VARIOUS SPEEDS, THE BLOWER MOTOR FAILED AND CAUSED THE HEATING AND AIR CONDITIONING IN THE VEHICLE TO STOP WORKING. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBERS: 10V1790000 (STRUCTURE) AND 15V421000 (VISIBILITY); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAIL…

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TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING AT VARIOUS SPEEDS, THE BLOWER MOTOR FAILED AND CAUSED THE HEATING AND AIR CONDITIONING IN THE VEHICLE TO STOP WORKING. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBERS: 10V1790000 (STRUCTURE) AND 15V421000 (VISIBILITY); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 106,239. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA ODI #10811455

Mileage unknown · Dec 17, 2015
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 REPAIR THE VEHICLE WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT NOTIFIED. THE CONT…

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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 NOT NOTIFIED. THE CONTACT HAD NOT EXPERIENCED A FAILURE. THE VIN WAS UNAVAILABLE. UPDATED 03/18/16*LJ; UPDATED 05/14/18*JB *TR

NHTSA ODI #10810991

115,000 miles · Dec 10, 2015
VisibilityFire

TL* THE CONTACT OWNS A 2007 HUMMER H3. WHEN THE CONTACT STARTED THE VEHICLE WITH THE HEATER AND DEFROSTER ACTIVATED, THE CONTACT INTERMITTENTLY SMELLED A BURNING ODOR. THERE WERE NO FLAMES VISIBLE. THE FAILURE BECAME PROGRESSIVELY WORSE AND THE BLOWER MOTOR FAILED PERMANENTLY. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN …

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TL* THE CONTACT OWNS A 2007 HUMMER H3. WHEN THE CONTACT STARTED THE VEHICLE WITH THE HEATER AND DEFROSTER ACTIVATED, THE CONTACT INTERMITTENTLY SMELLED A BURNING ODOR. THERE WERE NO FLAMES VISIBLE. THE FAILURE BECAME PROGRESSIVELY WORSE AND THE BLOWER MOTOR FAILED PERMANENTLY. 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 TIME FOR THE RECALL REPAIR. THE APPROXIMATE FAILURE MILEAGE WAS 115,000. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA ODI #10809551

Mileage unknown · Nov 25, 2015
StructureVisibility

TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBERS: 10V179000 (STRUCTURE) AND 15V421000 (VISIBILITY) HOWEVER, THE PARTS TO DO THE REPAIRS WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER HAD EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS …

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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBERS: 10V179000 (STRUCTURE) AND 15V421000 (VISIBILITY) HOWEVER, THE PARTS TO DO THE REPAIRS WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER HAD EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. THE VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA ODI #10806672

Mileage unknown · Oct 7, 2015
Visibility

2007 HUMMER H3. CONSUMER WRITES IN REGARDS TO VEHICLE CONNECTOR MODULE THAT CONTROLS THE BLOWER MOTOR SPEED IN THE AIR CONDITIONER/ HEATER SYSTEM RECALL NOTICE. *SMD THE CONSUMER STATED THE CONNECTOR MODULE THAT CONTROLLED THE BLOWER MOTOR SPEED IN THE HVAC SYSTEM OVERHEATED UNDER EXTENDED OPERATIONAL PERIODS AT HIGH AND…

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2007 HUMMER H3. CONSUMER WRITES IN REGARDS TO VEHICLE CONNECTOR MODULE THAT CONTROLS THE BLOWER MOTOR SPEED IN THE AIR CONDITIONER/ HEATER SYSTEM RECALL NOTICE. *SMD THE CONSUMER STATED THE CONNECTOR MODULE THAT CONTROLLED THE BLOWER MOTOR SPEED IN THE HVAC SYSTEM OVERHEATED UNDER EXTENDED OPERATIONAL PERIODS AT HIGH AND MEDIUM SPEEDS. IT WAS REPLACED AT A COST OF $165.00 AND THE CONSUMER IS SEEKING REIMBURSEMENT. *JB

NHTSA ODI #10805772

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.