Electrical systemPart report
2003 AM General Hummer Electrical system Problems
- Complaints
- 3about this part
- Share
- 25%of 12 total for the year
- Median mileage
- 125,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the electrical system of the 2003 AM General Hummer, 25% of the 12 complaints for this model year. Where a mileage was given, the median is 125,000 miles. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2003 | 3 | 25% |
Other parts of the 2003 AM General Hummer
Brakes
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsOther or unknown
1 complaintsBody and structure
1 complaintsSuspension
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaints
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsOther or unknown
1 complaintsBody and structure
1 complaintsSuspension
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2003 AM General Hummer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology