Traction Control System Problems of Buick Terraza

We also are having problems with our 2005 Buick Terraza. Its been in the shop 3 times now due to the abs/traction/stabilizer issues. . . And we only had this vehicle for about 2 months. In those 2 months its beena constant headache!! we have stuck alot of money in to this already, they kept telling me the wheel bearings are out, which after 2 sets of 2 new hubs, they should be fine. I didnt even leave the dealership and the light came back on. I am a daycare provider and and cannot afford to drive a vehicle that sounds like these problems they are having with this issue are life threatening. . . Something needs to be done ASAP before innocent people start loosing their lives over something that long ago should have been recalled. . . . If something happends on this end, legal action will be addressed and I suggest all of you having issues do the same!!.

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Abs/traction control problems with 2005 Buick terazza. Van started applying traction control in inappropriate situations, and applying abs braking when not needed, causing problems with stopping distance. Other than being concearning that the van may not stop when you brake causing you to bump another vehichle or worry about stopping distance for pedestrians, no actual damage has been done.

While driving under normal conditions this vehicle will randomly slam on brakes ,causing the driver to temporally loose control,when this happens the stability control light illuminates.

I was driving my 2005 Terraza with about 79,000 miles on dry, smooth city streets when suddenly the car started braking on one side and, I believe, tried to control the steering. This happened three times on three different streets on the same trip across town. Each time with the message "stability control active" . I drive these roads regularly and there was no reason for this to happen. I was driving slowly when at the first occurrence and was able to get the car stopped. The second time I was probably around 40 mph and because I was firmly gripping the wheel with little traffic I was able to get the van onto the shoulder and stopped. By the third time I was probably under 20 mph and terrified. I was again able to get the car stopped safely. I parked it and turned it off. It has driven fine for about 150 miles since with no recurrence. The dealer has driven it over 100 miles with their special sensor on and found nothing. There are no codes. They have checked the connectors for tightness and corrosion, again nothing suspicious. They had turned the rotors, put on new brake pads, and done other maintenance work about 50 miles before the occurrence. They do not feel this is related. They are now planning to replace the yaw sensor although they do not have evidence that this is the problem. They don't know if they will ever be able to find the problem.