2009 Hummer H3 problems, complaints & recalls
Most-reported problem areas: Electrical System (18) · Engine (6) · Visibility/Wiper (4)
🧭 Reliability snapshot
Compared against other Hummer H3 model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
50 NHTSA complaints that reported an odometer reading.
Safety recalls (2)
Visibility:defroster/Defogger/Hvac System:fan/Motor 2015-07-01 · campaign 15V421000 · 164,993 vehicles
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, ventilation and air conditioning system may overheat.
Risk: If the blower motor connector module overheats, it can increase the risk of a fire.
Fix: 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.
Structure:body:hood 2010-04-30 · campaign 10V179000 · 162,129 vehicles
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 AND THE HOOD LOUVER COULD DETACH FROM THE VEHICLE.
Risk: IF THE VEHICLE IS BEING DRIVING WHEN THIS OCCURS, IT COULD STRIKE A FOLLOWING VEHICLE AND CAUSE INJURY AND/OR PROPERTY DAMAGE.
Fix: 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.
Service bulletins (951)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2025-09-09 · 13598 · Other
new vehicle monitoring programs section in ivh
Unknown Or Other 2025-08-07 · PIC5650M · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. technician may find diagnostic trouble codes b3055, b3060, b3935, c0750, c0755, c0760, c0765, and/o
Unknown Or Other 2025-07-18 · PIP5601C · Service Bulletin/Repair Instructions
this pi communicates the requirement to provide a pico file to receive diagnostic assistance from tac.
Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about the use of j-35616-64b and mini 50 terminal test probe, replacement terminals, and terminated leads.
Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about the use of j-35616-64b and mini 50 terminal test probe, replacement terminals, and terminated leads.
Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about the use of j-35616-64b and mini 50 terminal test probe, replacement terminals, and terminated leads.
Showing the 6 most recent of 951 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-02-24 · Electrical System“category: recall reimbursement problem nhtsa complaint description i am filing a complaint regarding general motors’ refusal to reimburse an out-of-pocket repair related to safety recall n150042 on my 2009 hummer h3 (vin: [xxx] ). on december 31, 2025, i paid $946.06 out-of-pocket to correct the defect covered by recall n150042 (blower motor conne…”
2025-11-18 · Unknown Or Other“was doing a frame inspection on my hummer h3. turns out the rear left frame rail is completely rusted through. and there are parts hanging on by a thread. i have found many complaints online about rust in this exact spot( rear left frame). i believe this issue should be dealt with immediately. someone could be killed. the car is not that old and n…”
2025-08-26 · Electrical System · 97,000 mi“the contact owns a 2009 hummer h3. the contact stated that the vehicle failed to immediately start, and the security warning light illuminated. after several attempts, the vehicle was started. the contact stated that the failure was intermittent but had become more frequent. the cause of the failure was not yet determined. the manufacturer and loca…”
2025-01-06 · Engine“the contact owns a 2009 hummer h3. the contact stated that while attempting to start the vehicle, the vehicle failed to start. the contact waited for a while before the vehicle started. the contact stated that the vehicle was slow to start. the contact stated that while her husband was at the store, he waited for 15 minutes before the vehicle start…”
2023-06-16 · Structure:body“i was having the truck inspected per state yearly requirements and when the shop lifted the truck, the bed bent backward. the frame was rusted out on both sides.…”
2022-12-06 · Air Bags · 121,706 mi“traveling at approximately 35mph on inner city road in my 2009 hummer h3t, both driver and passenger side curtain airbags deployed without any warning, no collision or accident, system went into crash mode and fired seat belt tensioners. pictures taken of the exterior conditions and terrain/road conditions. luckily just driver was in vehicle no ot…”
2021-01-11 · Electrical System · 198,666 mi“recently my 2009 hummer h3, has been acting strange. while driving down the road, warning lights will flash, will beep, (traction control, abs, service 4wd, change oil, service tpm), all the while all things electrical stops working such as headlights, brake lights, blower fan, heated seat, turn signals, and all this while driving down the road at …”
2020-09-01 · Unknown Or Other · 147,000 mi“air bag module not responding and is dangerous due to the fact it could deploy at a random time while driving. the air bag light stays on after the vehicle is in motion causing a potentially dangerous incident. also hairline cracking in the radiator due to the plastic top of the radiator tank rubbing on the vehicles frame. …”
2020-05-12 · Fuel/Propulsion System · 91,350 mi“periodically 2-3 times a year for past 6 years when driving down the high car will die, when pull over to the side of the road, car will not restart, may restart after 10 minutes or after towed to repair shop,taken to the dealer several times and several times to high end independent auto shops, no error code ever found. read on hummer forums iss…”
2020-03-07 · Air Bags · 141,000 mi“i was traveling down the highway and the passenger and driver's side airbags deployed almost causing me crash. they deployed for no reason and no airbag light or warning was given. not understanding how they would deploy without a crash or some type of vehicle damage had occurred. major safety issue. now what to do? no recall? ive seen many co…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.