AI DamageHummer H3: problems, complaints, bulletins
Summary for the Hummer H3 across 6 model years: 790 owner complaints and 0 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
What fails most often
- 1 Electrical system 31% of all complaints
- 2 Visibility 18% of all complaints
- 3 Engine 16% of all complaints
- 4 Structure 9% of all complaints
- 5 Air bags 8% of all complaints
- 6 Engine and cooling 7% of all complaints
- 7 Powertrain 5% of all complaints
- 8 Suspension 5% of all complaints
- Electrical system: 246 complaints (31% of all), 2 of them with a crash reported by the owner.
- Visibility: 141 complaints (18% of all).
- Engine: 124 complaints (16% of all), 1 of them with a crash reported by the owner.
- Structure: 75 complaints (9% of all), 1 of them with a crash reported by the owner.
- Air bags: 64 complaints (8% of all), 16 of them with a crash reported by the owner.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 3.5 L · petrol · 5 cyl 2006named in 3 complaints
- 3.7 L · petrol · 5 cyl 2007–2010
- 5.3 L · petrol · 8 cyl 2008–2010
- automatic, 4-speed 2006–2010
- manual, 5-speed 2006–2010named in 1 complaints
Drive: AWD, 4WD
Symptoms owners describe
How many of the 790 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 246 | 2 | 0 |
| Visibility | 141 | 0 | 0 |
| Engine | 124 | 1 | 0 |
| Structure | 75 | 1 | 0 |
| Air bags | 64 | 16 | 0 |
| Engine and cooling | 53 | 0 | 0 |
| Powertrain | 43 | 0 | 0 |
| Suspension | 41 | 3 | 0 |
| Service brakes | 38 | 6 | 0 |
| Fuel/propulsion system | 24 | 0 | 0 |
| Electronic stability control | 23 | 1 | 0 |
| Steering | 22 | 4 | 0 |
| Equipment | 17 | 0 | 0 |
| Latches, locks, linkages | 13 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
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…
My airbags did not deploy after 8x something shld had worked. But they didnt now im in bad shape. I need help. Thpse airbags shld had deployed but did not now im suffering cuz no doctor will see me without an atty. Thank you. Iwas driving hm on new hwy. Doing speed limit of 75. Had the airbags deployed as they shld.
The air bags did not deploy. A police report was filed and the contact sustained back and hip injuries, which required medical attention. The vehicle was destroyed and towed to a tow lot. The manufacturer was not notified of the failure. The failure mileage was approximately 120,000.
Abs fault , traction failed, stab system my car started driving funny and I almost lost control
Everything from: electrical, air condition, stabilitrack system, which cost me over $600.00 still not working properly. Leakingsun roof censors, I was made to pay for that still dont work. I paid over $8,000.00, or more.
An odor smell of baked, cooked, melted, chared, scorched, and roasted electrical wires and have had to twice replace the general motors, harness, 25949869, and acdelco 15-80647 gm original equipment heating and air conditioning blower motor resistor, and once have had to replace new the heater blower motor with fan…
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Visibility. Wipers, mirrors, defrosters, cracked glass.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Other models of this make
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.