Unfortunately you can't get these to go out until the issue causing them to come on is addressed. I'll trll you how to find out! You'll certainly need to check it out further(or have it checked further by someone who is a professional- that doesn't always mean someone doing it for a living in s garage either as I no longer do but did for many years and still do it all regarding my vehicles and equipment along with everyone's that I know. I didn't mean to get off track but that's something to think about, people like me will save you big bucks $$$, mechanically friends are useful. Thus "Professional" will need a diagnostic scanner, a good one, the parts stores can likely help with engine light, but a more specialized diagnostic scanner will probably be necessary for your second issue. This is likely to be found at a well Equipped local garage or repair shop, and of course the dealer will have this if no one else does.
Ask friends and family, co-workers, or whoever you trust if they know a professional technician and perhaps they'll know someone capable or at least have a few good suggestions. Look in the local business pages or online reviews for local shops, a Toyota or Imported Car Specialist would be a huge plus but not absolutely necessary.
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SOURCE: VSC and engine light on
The Trac light comes on automatically, in conjuction with the Check Engine Light. You need your vehicle scanned for DTC codes.
SOURCE: LS430 check VSC light on after check engine light on
My car (06 GS430) began giving me more frequent "Check VSC" warnings. (Code P0455 in my case. Really glad I bought that OBDII tool--resetting the codes is a snap!)
I knew that a loose gas cap could cause this, so normally I just give it a twist and it tightens. Now I found that no matter how many "clicks" I tightened the gas cap, it would not cinch down snug. The lightest turn the opposite way would open it.
I was all set to head over to CarQuest for a replacement filler cap. But I thought I'd inspect mine first just to see why it stopped holding. Upon inspection, I saw that what holds the cap in place is compression of the rubber O-ring at the back of the cap, which compresses against the filler neck. That apparently was no longer happening.
I carefully removed the O-ring from the cap--using screwdrivers to lift it over the edge of the groove it sits in. Like removing a bike tire from the rim--work your way around. Then I cut a strip of electrical tape about 10" long, and 1/4" wide. I wound this into the curved groove where the O-ring normally sits, just to build up a little thickness. Put the O-ring back in place. Done.
Now the cap tightens like it's supposed to, and thus far, it has stopped the VSC error codes. Don't know if it will fix your issue or not, Good luck.
SOURCE: 2004 Sienna - VSC and TRAC OFF Lights are On
I have both lights on in my 2004 van also I have the engine light on. i took it to the dealer and they found the Yaw Rate Sensor (Vsc & TRAC) bad. The part is about$ 405 and is under the drivers seat. The other problems is the Catalyst System (engine light) about $1000 for parts.I have about 147,000 miles on my '04 and the problems started about 130,000.
SOURCE: i have a 2009 toyota sienna...the vsc and check
ok , we try to reset, disconnet negative battery cable few seconds, then reconnect, start engine and check
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