| Issue ID | 1307582 |
| Internal NHTSA # | 10894784 |
| Manufacurer | Toyota Motor Corporation |
| Brand | TOYOTA |
| Model | SIENNA |
| Model Year | 2004 |
| File date | 03/08/16 |
| Component | ELECTRONIC STABILITY CONTROL |
| Product type code | VEHICLE |
| Description of the problem | My family and i were traveling on the highway at approximately 70 mph when the traction control/vehicle stability control activated causing a beeping sound along with the dash icon blinking. This in turn locked up the left front tire. The van violently swerved to the left and i luckily gained control and pulled to the side of the highway. I thought i had just experienced a tire blow out, but to my surprise nothing was amiss. My wife was distraught at what had just occurred considering the consequences if a vehicle had been next to us at the time. Now, driving much slower and white-knuckling the steering wheel, we proceeded to the nearest toyota dealer which was roughly 20 miles away in asheville, nc. Along the way, the incident occurred two more times. Keep in mind that the skies were sunny and the road dry. Arriving at the dealership we waited while the car was looked over. After five hours we were told they could not find anything wrong. I did not accept this and told them that i found hundreds (if not more) of postings on the internet with people having the same incident. I also informed them that toyota had redesigned the steering angle sensor (yaw) in 2005 and asked if that could be the problem. The service writer excused himself and twenty minutes later returned with a toyota service bulletin referring to the sensor. They then ordered the new sensor and we rented a car to continue our trip. Returning five days later to pick up the van, we were told the new sensor was installed and a zero point calibration/alignment performed. I paid the $692. 00 and drove away. My wife and son stayed in the rental car, since the a/c had mysteriously stopped working when the initial incident occurred. While following them home, the traction control/vsc activated a total of four more times. No one knows how to fix this problem. Toyota should recall and fix this. |
| Vehicle Mileage at Failure | 145000 |
| Number of Occurences | |
| Source of the issue | NHTSA WEB SITE |
| City and State | BISHOP, GA |
| VIN pattern | 5TDZA22CX4SXXXXXX |
| Was vehicle invloved in a crash? | N |
| Was vehicle involved in a fire? | N |
| Was incedent reported to police? | N |
| Was medical attention required? | N |
| Was part original equipment? | |
| No. of injured persons | |
| No. of fatalities | |
| Date of purchase | 07/08/26 |
| Was original owner? | N |
| Anti-lock brakes | N |
| Cruise control | N |
| Number of cylinders | |
| Drive train type | |
| Transmission type | |
| Vehicle speed | 70 |
| DoT tire identifier | |
| Tire size | |
| Location of tire code | |
| Type of tire failure code | |
| Was defective tire repaired? | |
| Date of manufacture | |
| Type of child seat code | |
| Type of restraint | |
| Dealer's name | |
| Dealer's telephone number | |
| Dealer's city | |
| Dealer's state code | |
| Dealer's ZIP code |