2006 Hummer H3 Vehicle speed control Problems
- Complaints
- 7about this part
- Share
- 2%of 361 total for the year
- Median mileage
- 90,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 7 complaints about the vehicle speed control of the 2006 Hummer H3, 2% of the 361 complaints for this model year. Where a mileage was given, the median is 90,000 miles. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The hood cover is loose and rattles when driving. It makes me afraid as I drive the interstate everyday and it seems as if it is going to fly off. I also lose power or it fails to start due to some type of electrical issue, brakes go, steering goes and all lights on cluster light up”
NHTSA complaint #11183378, filed 2019-03, 80,000 miles“Was driving with 50 MPH and traffic stopped so I had to press the brakes a little harder. At that point both rear leaf springs failed, damaging drive shaft and pulling driveshaft from the transfer case. Repairs for all this were $2700. ......updated 09-03-14 updated 09/8/2014”
NHTSA complaint #10490677, filed 2013-01, 98,000 miles“On may 29 2010 I went to the store around afternoon and came back from the store I started my Hummer 2006 H3 the car started and I look at the indash and no light came on and I drive around the parking lot to see if the in dash light come on and I park the car and turn off my ignition and turn it back on still the same no light on my indash and I was scare to drive it out on the road because I don't see how fast I was running or the car might die out on me when im driving and I was thinking to myself this is very dangerous because this could cause an accident and I was mad I drove home and…”
NHTSA complaint #10333855, filed 2010-05“The contact owns a 2006 Hummer H3. While driving at approximately 70 MPH, there was smoke and an odor coming from the air conditioner. The cruise control failed and the vehicle stalled. The vehicle was able to restart after a few attempts. The vehicle was driven to a dealer where it was diagnosed that the cam actuator needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The approximate failure mileage was 100,000.”
NHTSA complaint #10766349, filed 2015-09, 100,000 miles“The contact owns a 2006 Hummer H3. The contact stated that the vehicle accelerated independently and stalled. The vehicle was not diagnosed or repaired. The manufacturer was not notified. The failure mileage was 85,000.”
NHTSA complaint #10640837, filed 2014-10, 85,000 milesVehicle speed control: other model years
Other parts of the 2006 Hummer H3
96 complaintsVisibility (wipers, defrost, mirrors)
59 complaintsEngine
52 complaintsBody and structure
36 complaintsEngine cooling
35 complaintsOther or unknown
29 complaintsSuspension
29 complaintsAir bags
20 complaintsBrakes
20 complaintsTransmission and drivetrain
20 complaintsLatches, locks and linkages
11 complaintsSteering
11 complaints
← All problems reported for the 2006 Hummer H3
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