The 2010 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 8 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
4
1fires
ENGINE
1
POWER TRAIN
1
STRUCTURE
1
VISIBILITY
1
Total complaints8
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“My transfer case established a large fluid leak so I inspected it, the findings was a large hole in the main housing on the transfer case fluid was leaking out. The transfer case was removed and disassembled, and found that the 2 screws that hold the chain guide to the housing had backed out or…”
“The vehicle sometimes will not start due to a problem with the security sensor in the ignition switch. This is when starting up the vehicle and will only periodically occur. The security system light comes on and you have to wait 10 minutes to start the vehicle, then it will start. It has happened…”
“My heating and ac blower motor stopped working on a vehicle that has less than 31k miles on it. The estimated repair costs are 500$, not including the tow, being that it is the middle of winter and the closest dealership is 20 miles away. Additionally, the time off of work and ebing without a car…”
“While I was on the road going home I noticed that my temperature was slowly rising then all of a sudden my engine room was smoking I pulled aside and looked at the engine room the smoke was caused by the radiator leaking on front top cover of radiator was cracked... Don't get me wrong but I never…”
“I was driving home and the fan on the a/c stopped working. Shortly afterward I detected a burning odor. I ended up replacing the resistor and wiring harness for the a/c blower motor. The resistor was burnt and the harness wire was slightly melted. I am concerned about the potential for a fire if…”
“Tl* the contact owns a 2010 hummer h3. On many occasions, the vehicle would not immediately start and the security indicator illuminated. The vehicle had been serviced for the same failure many times at maritime motors (985 post rd, fairfield, ct). The fuel pump, alternator, and battery were…”
“Sun glare reflects off the chrome part placed on the engine hood and quickly blinds the driver for short periods of time causing very dangerous road driving conditions. *tr”
“Sun glare reflects off the chrome part placed on the engine hood and quickly blinds the driver for short periods of time causing very dangerous road driving conditions. *tr”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2010 Hummer H3 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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