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  1. Problems, Maintenance, and Repair (Gen 3)
    Hi, I have a 2015 SE Premium and all of a sudden, today morning while taking the car out of the garage, i noted the below issues: Traction Control OFF Check Engine Light ON Check Charging System ON Another indicator on during this as well which I don't know about. Considering I have only...
  2. Problems, Maintenance, and Repair (Gen 3)
    I live on a curvy country road. All of the sudden traction control now activates on the S curves that I have been driving for years at the same speed, etc. Shocks, etc. seem fine, but this new problem is quite annoying! Any ideas how to diagnose/repair?
  3. Problems, Maintenance, and Repair (Gen 2)
    Driving under normal conditions, typically around a curve our traction control will engage. Car immediately slows, dashboard warning beeps/lights for a few seconds and then back to normal. My mechanic and Toyota dealer could not replicate it during test drives to get error code. Any advice on...
  4. General Discussion (Gen 3)
    If they put a button on the dash to turn this stuff off please make it actually turn it off. It turns itself back on above 50kph or in the case of winter it will turn itself back on randomly while you are trying to get the vehicle out of the snow or any dangerous situation. Does anybody know if...
  5. Problems, Maintenance, and Repair (Gen 1)
    My Sienna loses traction whenever I brake while driving over uneven pavement/gravel. I live in PHX so it's not water-related and with all the road construction here, it happens a lot and it's pretty scary. We replaced the front brakes about six months ago, but they've started squealing pretty...
  6. Problems, Maintenance, and Repair (Gen 2)
    So my battery died tonight and after the jump start the check engine, VSC, and Traction Control lights all lit up. Should I be alarmed since I just bought this car (2006 Sienna Limited) at the Toyota Dealership? How should I approach this problem? I hear that disconnecting the battery for about...
  7. Problems & Issues
    I cannot narrow down the problem. This started about 3 months ago. I do not have a diagnostic tester. Is there a simple fix ?
  8. General Discussion (Gen 3)
    This is my first winter in the Sienna after driving SUVs for the last decade or so. Maybe it's the weight of the fully loaded van or maybe it's the OEM tires, but I've been disappointed by the poor traction even in light slushy snow. I struggle to get traction if I'm stopped on a moderate hill...
  9. General Discussion (Gen 1)
    Hello, My VSC Engine and traction control lights are on and I am getting a P1135( bank 1) code when scanned!! Is this really a sensor problem or is there something I could try first? Which sensor is bank 1? Thank you!!
  10. General Discussion (Gen 3)
    I find the VSC tends to intervene excessively under 40mph or when cornering, particularly when accelerating out of a corner. Also has unintended consequences in snow. Engine tranny is not that great to begin with, very sluggish. You find workarounds, but in corners not workable. Give it some...
  11. General Discussion (Gen 2)
    I experienced this for the first time today. I was on some gravel/dirt roads after a moderate rain. Had no idea that the roads were going to be unpaved, I was just exploring, following lines on the GPS. :o These "roads" are not much more than graveled areas between the fields, but they are on...
  12. General Discussion (Gen 2)
    I have a 2005 XLE. In the last month, I have had three instances where it did something very strange: Driving along, once freeway doing 65, once city street doing about 35, and once on a freeway on ramp at about 25, the traction control kicked in, the van braked, and the traction control light...
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