2003 Hummer H1 Problems
High Complaint Volume
Real NHTSA owner complaints for the 2003 Hummer H1.
Complaints
6
Crashes
1
Fires
0
Injuries
0
Fatalities
—
Recalls
0
Worst 2003 Hummer H1 Problems
Top 3 most-reported issues with average mileage at failure.
#11 complaints
ELECTRICAL SYSTEM:IGNITION
#21 complaints
EXTERIOR LIGHTING:HEADLIGHTS
#31 complaints
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT
Avg mileage:100 mi
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All Problems by Category
Every NHTSA complaint category for the 2003 Hummer H1.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| ELECTRICAL SYSTEM:IGNITION | 1 | — | — | — | |
| EXTERIOR LIGHTING:HEADLIGHTS | 1 | — | — | — | |
| SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT | 1 | — | — | 100 mi | |
| STRUCTURE | 1 | — | — | — | |
| TIRES | 1 | 1 | — | 107,000 mi | |
| VISIBILITY:REARVIEW MIRRORS/DEVICES | 1 | — | — | — |
Other Hummer H1 Years
Wider context: See the full Hummer H1 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2003 Hummer H1
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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