no report yet
Seat belts: rear/other
Risk. A LAP PORTION OF THE SEAT BELT ROUTING THAT IS NOT LOW AND SNUG ON THE HIPS CAN ALLOW THE LAP BELT TO RIDE UP ON AN OCCUPANT'S ABDOMEN INSTEAD OF FITTING LOW…
2005 Hummer H2Problems, recalls & complaints
NHTSA has logged 79 owner complaints about the 2005 Hummer H2, most often about the electrical system. It is covered by 2 safety recalls.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through March 25, 2026. Updated daily. Photo: Elise240SX, CC BY-SA 4.0.
Complaints by system
Where the 2005 Hummer H2 has problems
79 complaints grouped by the system owners reported.
27Electrical system3 crash/fire/injury
15Visibility
12Air bags1 crash/fire/injury
6Service brakes
6Steering1 crash/fire/injury
5Service brakes, hydraulic
4Power train
4Visibility/wiper
4Engine
116 other systems1 crash/fire/injury
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 27 | 3 |
| Visibility | 15 | 0 |
| Air bags | 12 | 1 |
| Service brakes | 6 | 0 |
| Steering | 6 | 1 |
| Service brakes, hydraulic | 5 | 0 |
| Power train | 4 | 1 |
| Visibility/wiper | 4 | 1 |
| Engine | 4 | 1 |
| 6 other systems | 11 | 1 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
2 recalls
2005 Hummer H2 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
no report yet
Service brakes, hydraulic
Risk. IF A SEPARATION OCCURRED AND THE HOOD OF THE VEHICLE WERE OPEN, FRAGMENTS FROM THE ACCUMULATOR COULD CAUSE INJURY TO PEOPLE IN THE IMMEDIATE AREA.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Hummer.
Mileage at failure
When do electrical system problems start?
51kmiles, median
Based on the odometer reading in 24 electrical system complaints. 75% were reported before 100,000 miles.
3under 30k miles18under 100k miles6100k miles or more
Best & worst years
2005 vs. every other H2 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the H2 median. How we score
'03'04'05'06'07'08'09
- Avoid
- Caution
- Solid
- Best
- Not rated
NHTSA crash tests
2005 Hummer H2 safety ratings
2005 Hummer H2 4-DR in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
- Stability control: No
- Forward collision warning: No
- Lane departure warning: No
1 investigation
NHTSA defect investigations
Federal investigations that included the 2005 Hummer H2, and the recalls they led to.
- HUMMER H2 STEERING KNUCKLE FAILURESNo recall
In owners' words
What H2 owners report
Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.
The contact owns a 2005 Hummer H2. The contact stated that while parking in the mountains, the vehicle was in the park position, and it unexpectedly rolled and stopped at a boulder. There were no warning lights illuminated. The door hit the driver and knocked him to the ground, and he sustained an…
WHILE TRAVELING ON THE MAIN ROADS THE SPEEDOMETER INTERMITTENTLY MALFUNCTIONS THEN DROPS TO ZERO, WHEREAS I'M LITERALLY UNABLE TO DETERMINE MY SPEED THIS SEEMS TO OCCUR WHEN THE ENGINE WARMS UP AND I BEEN DRIVING FOR BETTER THAN A HALF HOUR.
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.
Own a 2005 H2?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.