2003 Hummer H2 Other or unknown Problems
- Complaints
- 2about this part
- Share
- 1%of 141 total for the year
- Median mileage
- 66,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the other or unknown of the 2003 Hummer H2, 1% of the 141 complaints for this model year. Where a mileage was given, the median is 66,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2003 Hummer H2. While driving approximately 15 MPH, the traction control and ABS warning indicators illuminated. The failure recurred whenever driving over 15 MPH. The vehicle was taken to an independent mechanic where it was diagnosed, but not repaired. The manufacturer was not notified of the issue. The approximate failure mileage was 116,500.”
NHTSA complaint #10863414, filed 2016-05, 116,500 milesRelated service bulletins
- 11020816Jul 18, 2025This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
- 11014455Feb 20, 2025This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint…
- 11007744Sep 12, 2024This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General…
- 11007743Sep 12, 2024This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General…
- 11007208Sep 6, 2024This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire…
- 11004557Jun 17, 2024This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
- 11000576May 7, 2024This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support…
- 10224309Sep 30, 2022This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. The…
Other or unknown: other model years
Other parts of the 2003 Hummer H2
52 complaintsElectrical system
24 complaintsBrakes
18 complaintsSteering
17 complaintsBody and structure
13 complaintsSuspension
11 complaintsTransmission and drivetrain
11 complaintsEngine cooling
5 complaintsSeats
5 complaintsWheels
5 complaintsEngine
4 complaintsVehicle speed control
3 complaints
← All problems reported for the 2003 Hummer H2
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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