The 2007 Hummer H3 has 2 NHTSA recall campaigns affecting an estimated 327,122 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 331 complaints with NHTSA, most often about the electrical system. Last updated July 5, 2026.
Recall campaigns
VISIBILITY15V4210002015-07-01164,993 affected
Defect
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,…
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.
STRUCTURE10V1790002010-04-30162,129 affected
Defect
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…
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.
Complaints by component
ELECTRICAL SYSTEM
68
1crashes10fires
ENGINE
44
1crashes2fires
UNKNOWN OR OTHER
25
2crashes1fires
VISIBILITY/WIPER
24
POWER TRAIN
16
1injuries
AIR BAGS
15
7crashes1fires11injuries
ELECTRONIC STABILITY CONTROL (ESC)
12
1crashes
STRUCTURE:BODY
12
1crashes
FUEL/PROPULSION SYSTEM
11
ENGINE AND ENGINE COOLING
10
1fires
Total complaints331
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Odometer fraud. The contact purchased a 2007 hummer h3. The contact discovered that there was a mileage discrepancy. The vehicle was an independent dealer sale. At the time of purchase, the vehicle mileage was 122,791 and at the time of registration, it was discovered that the mileage was 122,799…”
“The problem was unknown to me and probably would be to any vehicle owner that is not a mechanic. I was driving a death trap and didn't know how easily it could have been a serious problem. The driver side leaf spring bracket had completely broke apart from the frame on the upper drive side corner…”
“Louver hood vent cover flew off on the highway as I was driving.”
“I have the well known issue with the passkey security system. Nothing is wrong mechanically with the car but the security system will not allow the truck to start, therefore leaving me randomly leaving me stranded. Much has been documented on this issue, yet gm has never done a recall.”
“So the part that is a malfunction is the rear doors weren’t made with any child lock and of course one of my kids opened the door while I was driving on the highway.I have a 3 and 5 year old and it scared me so bad I had to hurry and pull the hummer over and park and just held my son. I…”
“So the part that is a malfunction is the rear doors weren’t made with any child lock and of course one of my kids opened the door while I was driving on the highway.I have a 3 and 5 year old and it scared me so bad I had to hurry and pull the hummer over and park and just held my son. I…”
“The contact owns a 2007 hummer h3. The contact stated that while driving at various speeds, the hood louvers loosened without warning. Upon investigation, the contact discovered nhtsa campaign number: 10v179000 (structure) which he linked to the failure. The dealer was notified of the failure and…”
“I bought my 2007 hummerh3 used w/124,000 miles. I've had it a month and already had it in mechanic shop due to not starting. The mechanic thought it was a fuel relay and charged me 258.00 parts/labor/tow. Today 11-16-21, only a day after I got it back, it stopped on me again!! Just had it towed…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2007 Hummer H3 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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