2005 Hummer H2: common problems
Owners of the 2005 Hummer H2 filed 79 complaints with NHTSA, most often about electrical system and visibility. Details by component below, with sources.
Key figures
- Owner complaints
- 79
- involving a crash
- 3
What fails most often
- 1 Electrical system 34% of all complaints
- 2 Visibility 24% of all complaints
- 3 Air bags 15% of all complaints
- 4 Service brakes 14% of all complaints
- 5 Steering 8% of all complaints
- 6 Engine 5% of all complaints
- 7 Powertrain 5% of all complaints
- 8 Tires 4% of all complaints
- Electrical system: 27 complaints (34% of all).
- Visibility: 19 complaints (24% of all).
- Air bags: 12 complaints (15% of all), 1 of them with a crash reported by the owner.
- Service brakes: 11 complaints (14% of all).
- Steering: 6 complaints (8% of all), 1 of them with a crash reported by the owner.
Symptoms owners describe
How many of the 79 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 | 27 | 0 | 0 |
| Visibility | 19 | 0 | 0 |
| Air bags | 12 | 1 | 0 |
| Service brakes | 11 | 0 | 0 |
| Steering | 6 | 1 | 0 |
| Engine | 4 | 0 | 0 |
| Powertrain | 4 | 0 | 0 |
| Tires | 3 | 0 | 0 |
| Seats | 2 | 0 | 0 |
| Structure | 2 | 0 | 0 |
| Wheels | 2 | 1 | 0 |
| Suspension | 1 | 0 | 0 |
| Vehicle speed control | 1 | 0 | 0 |
| Other | 3 | 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.
The air bag light warning indicator illuminated. The vehicle would not move forward after the accident occurred and the air bags failed to deploy. The contact stated that the air bag module for the srs was discontinued. There were no injuries sustained. A police report was filed.
While driving the road curved to the left. I tried to follow road as it curved. I was able to turn the steering wheel but the wheels could not follow the turn. The hummer went straight causing me to go into a ditch. The passenger front wheel flew off with the axel' please help me understand.
While driving with this defect vehicle jerked to the right, knocking down a mailbox. While the vehicle was at the body shop the tire had to be inflated each time the vehicle had to be moved. Owner was also told that the rim was bowed by the manufacturer which could not be repaired. It would have to be replaced.
The vehicle was taken to a tire retailer where the tires were originally purchased and replaced, but the failure reoccurred. The contact stated that on another occasion, while the tires were being rotated, the mechanic became aware that the rear driverâs side tire had a tear in the sidewall. The tire was replaced.
There were no warning lights illuminated. The door hit the driver and knocked him to the ground, and he sustained an injury to his head, but medical attention was not provided. Another person on an ATV provided a jump start, but the vehicle failed to restart. The contact walked several miles to get assistance.
The contact stated that while driving the vehicle, the power steering failed, causing the steering wheel to become very difficult to turn in either direction. Additionally, the power steering fluid leaked unto the hydro-boost braking system, causing the brakes to malfunction and become spongy, extending the braking…
Toyo tires | part number: toy360390 coming apart at the seams
The computer in the h2 hummer malfunction. Wipers will not turn off. 4 wheel drive will not engage. Engine light comes on. Everything the computer controls is failing.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 4,120 of 36,656 model years in the NHTSA data (top 11% most complained about).
On average one model year of the H2 has 40 complaints (8 years in the data). This year has 79, above average.
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.
- Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Other years of this model
Questions and answers
What are the most common problems with the 2005 Hummer H2?
Owner complaints to NHTSA most often mention: electrical system, visibility, air bags. Total complaints: 79. The most frequent symptoms in complaint texts: steering or power steering problems (8%), knocking, grinding or other noise (6%), airbag warning light (5%).
How many service bulletins (TSB) were issued for the 2005 Hummer H2?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2005 Hummer H2 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2005 models
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.