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Unknown Or Other
07/06/2022
The 2004 Toyota Sienna van VSC Trac warning light and alarm come on when making turns on highway ramp under normal speed at around 35 mph.
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Electrical System, service Brakes
06/13/2022
The failing component is the VSC/ABS system. It puts the occupants of the van and other motorists at risk of either causing a collision or causing the driver of vehicle in question to be unable to control the vehicle . The failure appears when going in a curve in the road at low speed causing the abs to engage lock the brakes and steering wheel rapidly decelerating the car and causing the car to jerk to one side or the other and go into a skid where the driver is unable to control the wheel due to steering wheel locking up when it happens the VSC and TRAC lights come on and there is a loud and rapid beeping that can be heard inside the vehicle. The issue usually appear when going between 25-40mph in banking curves
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Seat Belts
03/01/2020
Driver's side seat belt buckle stopped locking in seat belt. Buckle unit then came apart. I called toyota; was informed that there was a recall on this matter. I was told that I was 2 years past the scope of the recall. I informed them I never received a notice of recall so how would I be aware of problem until it occurred. Spoke to supervisor was told I was no longer covered under recall. Went to 2 mechanics and was unable to obtain needed part. I feel that for this safety item there should be no time limit on a recall and I felt Toyotas help in remeding the situation was poor especially as they tout their vehicles safety.
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Steering, vehicle Speed Control, service Brakes
12/18/2021
Sometimes when I take turns in my Sienna, the VSC starts going off and braking individual wheels without my control. This happens unexpectedly on highway bends at speeds of 60+ mph and it is difficult to control the car and keep from swerving into another lane. If the roads were icy when this happens, it would probably cause a dangerous accident. Toyota has a technical service bulletin for this, but not a recall - which it should since this is a significant safety issue. The TSB is BR008-04. There are many others experiencing this same issue: https://forums.edmunds.com/discussion/13855/toyota/sienna/vsc-sudden-activation-2004-toyota-sienna
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Electronic Stability Control (esc)
01/30/2022
Toyota VSC and ABS engaging and activating for no reason on dry pavement causing loss of proper control of the vehicle. The have been multiple occurrences on dry pavement between 30 and 65 mikes per hour. The car pulls to one side as the computer takes control of the car end engages the brakes suddenly for no reason. VSC Skid light goes on on the dash and there is a beeping sound while this happens. Very dangerous. Toyota USA notified and assigned case number 220201001364. They refuse to take any responsibility for this dangerous failure.
