Table 1 shows one common traction control system related problems of the 2006 Toyota Sienna.
| Problem Category | Number of Problems |
|---|---|
| Traction Control System problems |
2006 Toyota Sienna le with bz package (vsa) - safety issue (electronics): vehicle stability control system (vsa) is unsafe during road slippery conditions if cruise control is used. The slippery condition could be rainy day or snowing or icy road conditions. The incident occurred several time. The first time I noticed the issue is around September of 2008. It was heavy rain, I was driving on a highway with normal speed. The van was set to cruise at 65 mph. I ran over a small pot of water on the road. One of the tire probably slipped for a brief milli-second. The vsa control kicked in (I can see the vsa light flashes), the van was then running from side to side and the rpm suddenly jump up (violently). The van was difficult to control. I tap the brake to disengage the cruise control. Then the van went back to normal. 2nd incident, about December of 2008, I was driving on the highway with light snow. The van was cruising at 55 mph. The van passed a slippery spot. The vsa kicked in and caused violent left and right movement of the van as well as sudden acceleration. The incident almost caused an accident. Since then, I stopped using cruise control on the rainy or snowy days. But if anyone out there with Toyota minivan, I would like them to know it is a serious potential problem. I took my van to be checked out at the Toyota dealership. They said could not find the problem and it is normal as is.
Toyota Sienna 2006 braking problem caused self collision. On dry weather. Vehicle lost braking and I hit near by hilly land on turn. Vehicle showed braking problem on wet weather, rain and snow and vehicle looses the braking and related abs and vsc failure. Brake pedal goes down and clicks and brake stops working. My wife no longer trust this van and everybody is afraid to drive with me in it.
The contact owns a 2006 Toyota Sienna. While driving 70 mph, the traction control warning indicator illuminated and the vehicle inadvertently pulled to the right. After releasing the accelerator pedal and slowing the vehicle down, the vehicle was able to operate correctly. The vehicle was not taken to an independent mechanic or dealer for diagnostic testing or repair. The manufacturer was not made aware of the failure. The approximate failure mileage was 36,000.