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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
120,000 miles · Dec 30, 2019
EngineFuel/propulsion System

TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING 35 MPH, THE ENGINE OIL INDICATOR ILLUMINATED AND AN ODOR EMITTED FROM THE VEHICLE. THE CONTACT REPLACED THE OIL AND TOOK THE VEHICLE TO AN INDEPENDENT MECHANIC WHERE IT WAS DISCOVERED THAT THERE WAS A SMALL HOLE IN THE MANIFOLD, WHICH BURNED OUT THE OIL. THE CONTACT PAID OUT O…

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TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING 35 MPH, THE ENGINE OIL INDICATOR ILLUMINATED AND AN ODOR EMITTED FROM THE VEHICLE. THE CONTACT REPLACED THE OIL AND TOOK THE VEHICLE TO AN INDEPENDENT MECHANIC WHERE IT WAS DISCOVERED THAT THERE WAS A SMALL HOLE IN THE MANIFOLD, WHICH BURNED OUT THE OIL. THE CONTACT PAID OUT OF POCKET TO HAVE THE VEHICLE REPAIRED. THE MANUFACTURER WAS NOTIFIED AND FILED A CLAIM. THE CONTACT WAS REFERRED TO NHTSA TO FILE A COMPLAINT. THE DEALER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 120,000.

NHTSA ODI #11292047

135,000 miles · Dec 19, 2019
Fuel/propulsion System

WENT OUT TO START H3, TURNED KEY, CHECK ENGINE LIGHT CAME ON, THE BATTERY LIGHT CAME ON AND THE ANTI-THEFT SYSTEM LIGHT CAME ON. PASSLOCK/SECURITY SYSTEM INSIDE THE STEERING COLUMN IS BAD. CAR WON'T START. IS UNSAFE AND WILL STRAND OWNER WITHOUT WARNING BY NOT STARTING. GOES INTO SECURITY MODE. WAS TOLD TO WAIT 10 MIN AND TRY A…

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WENT OUT TO START H3, TURNED KEY, CHECK ENGINE LIGHT CAME ON, THE BATTERY LIGHT CAME ON AND THE ANTI-THEFT SYSTEM LIGHT CAME ON. PASSLOCK/SECURITY SYSTEM INSIDE THE STEERING COLUMN IS BAD. CAR WON'T START. IS UNSAFE AND WILL STRAND OWNER WITHOUT WARNING BY NOT STARTING. GOES INTO SECURITY MODE. WAS TOLD TO WAIT 10 MIN AND TRY AGAIN. CAN'T TURN IT OFF AT GAS PUMP FOR FEAR OF IT LOCKING ME OUT AND NOT STARTING. I HAD THIS HAPPEN TO ME 4 TIMES IN ONE DAY. SO MANY COMPLAINTS ALL OVER THE INTERNET AND PEOPLE TRYING TO FIX THIS ISSUE. THERE IS EVEN A COMPANY SELLING A PART TO BYPASS THIS AND THE SECURITY SYSTEM WHICH AGAIN IS ANOTHER ISSUE. GM IS CLEARLY AWARE OF THIS ISSUE. THIS NEEDS TO BE RECALLED. STRANDING PEOPLE CAN BE VERY DANGEROUS. IF THERE IS AN EMERGENCY AND THE CAR WON'T START. ALL AROUND BAD BUSINESS BY GM FOR NOT ISSUING THIS RECALL. THIS HAS NOTHING TO DO WITH MILEAGE WHICH GM MANAGER SAID ON THE PHONE. THESE H3'S ARE KNOW FROM THIS FRESH OFF THE DEALERSHIP FLOOR. PEOPLE ARE BEING FORCED TO TAKE IT TO A DEALERSHIP FOR REPAIR AND REPLACING THE PART WHEN THE LABOR COSTS MORE THAN THE PART. SEEM LIKE A MONOPOLY FOR GM AND ITS DEALERSHIPS. I HAVE SEEN ANYWHERE FROM 1500-2000.00 TO INSTALL AND RECTIFY THIS BAD PART AT THE GM DEALERSHIPS.

NHTSA ODI #11290184

160,000 miles · Dec 15, 2019
Engine

DRIVING DOWN THE ROAD AND IT STOP AND IT WOULD NOT START ENGINE LOCK UP

NHTSA ODI #11289116

84,822 miles · Aug 22, 2019
Engine

TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE ENGINE FAILED TO START. THE CONTACT HAD TO SIT IN THE VEHICLE AND WAIT A WHILE BEFORE ATTEMPTING TO START THE VEHICLE. THE FAILURE OCCURRED AT ANY GIVEN MOMENT AND WAS BECOMING MORE FREQUENT. IN ADDITION, THE PASS LOCK WARNING INDICATOR ILLUMINATED ON THE INSTRUM…

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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE ENGINE FAILED TO START. THE CONTACT HAD TO SIT IN THE VEHICLE AND WAIT A WHILE BEFORE ATTEMPTING TO START THE VEHICLE. THE FAILURE OCCURRED AT ANY GIVEN MOMENT AND WAS BECOMING MORE FREQUENT. IN ADDITION, THE PASS LOCK WARNING INDICATOR ILLUMINATED ON THE INSTRUMENT PANEL. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE CONTACT REPLACED THE MANIFOLD AND WAS REIMBURSED. THE FAILURE MILEAGE WAS 84,822. THE VIN WAS UNKNOWN.

NHTSA ODI #11245758

186,000 miles · Aug 6, 2019
Air Bags

TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING APPROXIMATELY 15 MPH, THE FRONT DRIVER'S AIR BAG DEPLOYED WITHOUT IMPACT OR WARNING. THERE WERE NO INJURIES. THE CONTACT DROVE THE VEHICLE TO HIS RESIDENCE. THE VEHICLE WAS LATER DRIVEN TO AUTONATION BUICK GMC HENDERSON (702-979-2044, LOCATED AT 330 NORTH GIBSON ROAD, HENDERSO…

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TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING APPROXIMATELY 15 MPH, THE FRONT DRIVER'S AIR BAG DEPLOYED WITHOUT IMPACT OR WARNING. THERE WERE NO INJURIES. THE CONTACT DROVE THE VEHICLE TO HIS RESIDENCE. THE VEHICLE WAS LATER DRIVEN TO AUTONATION BUICK GMC HENDERSON (702-979-2044, LOCATED AT 330 NORTH GIBSON ROAD, HENDERSON, NV 89014). THE DEALER STATED THAT THERE WAS NO RECALL FOR THE VEHICLE AND PROVIDED THE CONTACT WITH A REPAIR QUOTE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND PROMISED TO LOOK INTO THE MATTER AND CALL THE CONTACT BACK. THE CONTACT WAS NOT CALLED BACK. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 186,000.

NHTSA ODI #11242037

123,000 miles · Apr 5, 2019
Engine

HUMMER WILL NOT START, ENGINE TURNS OVER NORMALLY, BUT WILL NOT START. WAIT EXACTLY 10 MINUTES AND IT STARTS UP FINE. CAN HAPPEN ANY TIME, AT THE GAS STATION, FIRST THING IN THE MORNING. LEARNED THAT IF THE SECURITY LIGHT ON THE DASH BLINKS WHEN THE KEY IS TURNED ON, THE VEHICLE WILL NOT START. IF LIGHT STAYS ON, THE VEHICLE STA…

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HUMMER WILL NOT START, ENGINE TURNS OVER NORMALLY, BUT WILL NOT START. WAIT EXACTLY 10 MINUTES AND IT STARTS UP FINE. CAN HAPPEN ANY TIME, AT THE GAS STATION, FIRST THING IN THE MORNING. LEARNED THAT IF THE SECURITY LIGHT ON THE DASH BLINKS WHEN THE KEY IS TURNED ON, THE VEHICLE WILL NOT START. IF LIGHT STAYS ON, THE VEHICLE STARTS. HAVE WATCHED FOR THIS AT EVERY START UP, CAN NOW TELL WHEN THE VEHICLE WON'T START. THIS IS A MAJOR PROBLEM WITH GM VEHICLES WITH PASS LOCK SINCE THE LATE 1990S, GM NEED TO TAKE RESPONSIBILITY FOR THIS PROBLEM NOW!!!!!!!!!!

NHTSA ODI #11194075

171,000 miles · Apr 5, 2019
Structure

PLASTIC HOOD LOUVER HAS BECOME DETACHED, SEVERAL OF THE PLASTICS CLIPS ATTACHING THE LOUVERS TO THE HOOD ARE BROKEN. THE LOUVER FLEW OFF THE VEHICLE WHILE DRIVING ON A STATE HIGHWAY GOING APPROXIMATELY 50 MILES PER HOUR.

NHTSA ODI #11194063

160,000 miles · Mar 25, 2019
Structure

TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE VEHICLE WAS REPAIRED TWO YEARS AGO PER NHTSA CAMPAIGN NUMBER: 10V179000 (STRUCTURE). WHILE DRIVING APPROXIMATELY 55 MPH, THE HOOD LOUVER RATTLED AGAINST THE HOOD AND BECAME LOOSE, CAUSING THE HOOD LOUVER TO DETACH FROM THE VEHICLE. THE DEALER AND MANUFACTURER WER…

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TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT THE VEHICLE WAS REPAIRED TWO YEARS AGO PER NHTSA CAMPAIGN NUMBER: 10V179000 (STRUCTURE). WHILE DRIVING APPROXIMATELY 55 MPH, THE HOOD LOUVER RATTLED AGAINST THE HOOD AND BECAME LOOSE, CAUSING THE HOOD LOUVER TO DETACH FROM THE VEHICLE. THE DEALER AND MANUFACTURER WERE NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 160,000.

NHTSA ODI #11191347

121,000 miles · Feb 11, 2019
Air BagsSteeringSuspensionCrashInjury

TAKATA RECALL AIR BAGS DID NOT DEPLOY WHEN DRIVING 75MPH SPEED LIMIT ON RURAL HWY. IT WAS REAL DARK HARD TO SEE AND I COME UP ON THE CURVE PER EYEWITNESSES STATED I WAS GOING JUST FINE THEN ALL SUDDEN WENT DWN INTO THE DITCH HEAD FIRST BACK RT TIRE BLEW OFF THEN VEHICLE STARTED FLIPPING A TOTAL OF 8X..HIT FRONT HUMMER FIRST. AND…

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TAKATA RECALL AIR BAGS DID NOT DEPLOY WHEN DRIVING 75MPH SPEED LIMIT ON RURAL HWY. IT WAS REAL DARK HARD TO SEE AND I COME UP ON THE CURVE PER EYEWITNESSES STATED I WAS GOING JUST FINE THEN ALL SUDDEN WENT DWN INTO THE DITCH HEAD FIRST BACK RT TIRE BLEW OFF THEN VEHICLE STARTED FLIPPING A TOTAL OF 8X..HIT FRONT HUMMER FIRST. AND FLIPPED 8 TIMES..NO AIR BAGS DEPLOYED. HUMMER COME TO REST ON DRIVERS SIDE FINALLY. AGAIN THE RIVERSIDE AIR BAGS DID NOT DEPLOY. I FEEL LIKE THIS IS ERROR IN GM. CUZ THOSE AIRBAGS SHLD HAVE DEPLOYED AND I WOULD BE ABLE TO STAND SIT PUT MY OWN SHOES ON GET DRESSED EVERYTHING

NHTSA ODI #11176178

Mileage unknown · Feb 9, 2019
Electrical SystemElectronic Stability Control (esc)

HELLO,MY NAME IS [XXX],AND WE ARE HAVING THE SAME ISSUES AS MANY SEEM TO BE HAVING AS WE JUST SEEN ON GOOGLE AND MORE,GOT IN THE HUMMER THIS MORNING STARTED UP FINE,STOPPED AT GAS STATION FOR A DRINK ON WAY TO WORK,WENT BACK TO CAR AND IT WOULD NOT START,AFTER SEVERAL TRIES IT FINALLY DID,MAKING ME LATE FOR WORK. HAVE HAD THE 2…

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HELLO,MY NAME IS [XXX],AND WE ARE HAVING THE SAME ISSUES AS MANY SEEM TO BE HAVING AS WE JUST SEEN ON GOOGLE AND MORE,GOT IN THE HUMMER THIS MORNING STARTED UP FINE,STOPPED AT GAS STATION FOR A DRINK ON WAY TO WORK,WENT BACK TO CAR AND IT WOULD NOT START,AFTER SEVERAL TRIES IT FINALLY DID,MAKING ME LATE FOR WORK. HAVE HAD THE 2007 HUMMER H3 FOR MAYBE 4 DAYS!!! AND ALREADY HAVING ISSUES? INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #11175820

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.