2005 Hummer H2 SUT Transmission and drivetrain Problems
- Complaints
- 1about this part
- Share
- 8%of 12 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the transmission and drivetrain of the 2005 Hummer H2 SUT, 8% of the 12 complaints for this model year.
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.
“Transmission cooler defect allows glycol to enter transmission. Transmission overheat condition occurs filling the inside of the vehicle with a toxic gas. Hot transmissions can also catch on fire. This is a known condition; GM issued an alert to dealership service departments but no recall has occurred.”
NHTSA complaint #10415223, filed 2011-07Related service bulletins
- 11001321May 16, 2024This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
- 10249579Jan 12, 2024This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- 10245395Nov 6, 2023This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing…
- 10234619Apr 6, 2023This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
- 10222770Sep 16, 2022This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
- 10201098Dec 1, 2015OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
- 10190503Dec 1, 2015OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
- 10026804Oct 1, 2008Gmc: fluid leak from transmission oil cooler lines due to corrosion. All 2000-2006 light duty trucks equipped with the light duty automatic transmission.
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2005 | 1 | 8% |
Other parts of the 2005 Hummer H2 SUT
5 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsBrakes
2 complaintsSteering
2 complaintsEngine
1 complaintsEngine cooling
1 complaints
← All problems reported for the 2005 Hummer H2 SUT
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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