The lights stayed on the entire fifty mile trip home. VSC VSC off & Engine light on I just had this same thing happen on my 2001 Toyota Avalon with about 82,000 miles. 0. gfoster1 Posts: 1. The next morning I disconnected the battery for about 15 minutes, then hooked it back up. I have pre-owned 2006 Avalon Limited with 78k miles on it. Most Toyota owners will find that when the Check Engine and VSC lights are lit, there is a problem with an O2 Sensor or gas cap. If you notice the TRAC OFF light come on your Toyota dashboard, that means you have pressed the TRAC OFF button, likely located on the left side of the steering wheel. I discovered this after I had finished a visit and was headed home. My Avalon check engine light, vsc light and vsc off light came on following me driving through about 4 inches of water on the road. It is likely that “Traction Control” will not work while this light is illuminated. I have a question. Local repair shop ran diagnostics for free…said I had a small emission leak…we replaced the gas cap and the shop turned off … The VSC, TRAC OFF and CHECK engine light came on. For some reason on Toyota and some Lexus vehicles certain check engine light CEL issues also result in the ECU lighting up the vsc trac and vsc off lights. I have a 2003 Toyota Sienna. Whether you pushed the button on purpose or on accident, it disables your vehicles TRAC (traction control) and/or VSC (vehicle stability control) systems. HI! I took it to my local Toyota dealer and they informed me that my gas cap was defective and not making a good seal. I recently had a similar issue In making a short turn on gravel the tire spun a bit and shortly after the VSC and check engine light came on. I have at 2005 Toyota Highland with 175,000 miles. The ECU actually switches these anti skid and anti lock brake systems off and the lights are to remind you that they are disabled. That is what was causing the errors. Its check engine, VSC and trac off lights turned on a couple of days ago. But my mechanic asked me to $700 to repair it. I observed the van but no unusual driving condition detected. 3 days back (after 200 miles drive) I found both the lights - Check engine and VSC in ON condition. Now pressing the button again would turn on both the systems and light will turn off, the systems are re-engaged now. Autozone told me the trouble code is P0135. Check engine light and VSC light on 1 Answer. Sometimes the VSC OFF light doesn’t get off, and you can still see it lit; it could be because of some issues with your system. On some vehicles, the “skidding vehicle” or “TRAC OFF” light may also be lit as well. ... VSC automatically turns off by default with a check engine light/condition. 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