repaired · 2017 Q2
Defroster/defogger/hvac system: fan/motor
Risk. If the blower motor connector module overheats, it can increase the risk of a fire.
2008 Hummer H3Problems, recalls & complaints
NHTSA has logged 113 owner complaints about the 2008 Hummer H3, most often about the electrical system. It is covered by 2 safety recalls, and for recall 15V-421 the manufacturer reports only 45% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through April 16, 2026. Updated daily.
Complaints by system
Where the 2008 Hummer H3 has problems
113 complaints grouped by the system owners reported.
34Electrical system5 crash/fire/injury
18Engine
17Air bags5 crash/fire/injury
15Visibility1 crash/fire/injury
12Visibility/wiper
8Structure
5Steering
4Fuel/propulsion system
4Equipment
2715 other systems1 crash/fire/injury
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 34 | 5 |
| Engine | 18 | 0 |
| Air bags | 17 | 5 |
| Visibility | 15 | 1 |
| Visibility/wiper | 12 | 0 |
| Structure | 8 | 0 |
| Steering | 5 | 1 |
| Fuel/propulsion system | 4 | 0 |
| Equipment | 4 | 3 |
| 15 other systems | 27 | 1 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
2 recalls
2008 Hummer H3 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
Body: hood
Risk. IF THE VEHICLE IS BEING DRIVING WHEN THIS OCCURS, IT COULD STRIKE A FOLLOWING VEHICLE AND CAUSE INJURY AND/OR PROPERTY DAMAGE.
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?
80kmiles, median
Based on the odometer reading in 29 electrical system complaints. 72% were reported before 100,000 miles.
3under 30k miles21under 100k miles8100k miles or more
Best & worst years
2008 vs. every other H3 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 H3 median. How we score
'06'07'08'09'10
- Avoid
- Caution
- Solid
- Best
- Not rated
NHTSA crash tests
2008 Hummer H3 safety ratings
2008 Hummer H3 4-DR w/SAB in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
Frontal crashNot rated
Side barrierNot rated
- Rollover: 3 stars (24.6% risk)
- Stability control: Standard
- Forward collision warning: No
- Lane departure warning: No
In owners' words
What H3 owners report
Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.
The pass lock in this vehicle is faulty. On numerous occasions, it has left me unable to start the vehicle, but if you wait 10 minutes each time, it will start again, but it happens all the time. I've seen numerous complaints online and GM needs to do something about it.
The last dealership I went to they advised to come th the dealership but when I got there nobody wasn’t trying to work there instead the said that it was going to be hard to work on it cause nobody work on those cars anymore and then they said they were going to order the part but never call me…
The contact owns a 2008 Hummer H3. The contact stated that the vehicle intermittently failed to start up without warning. The contact stated that after waiting ten minutes the vehicle started. The contact stated that recently the failure had become more frequent. The contact had taken the vehicle…
Own a 2008 H3?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.