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VSC TRAC Sensor and CHECK INGINE alrams on 2006 Toyota Sequoia

Hi everyone. I have a 2006 Toyota Sequoia with 20,000 miles on it. Last week the VSC TRAC, TRAC OFF and CHECk ENGINE lights started coming on and staying on. I have been reading many posts on the net that talk about malfunction of the VSC TRAC sensor etc... Note that I have found that one of the small vacum hoses was loose and I put it back in its place. The air filter was dirty. I checked that the gas cap is fine. I took the car to local toyota dealer (I'M In Dubai now) they said they can not read the codes on Sequoia made in US as they don't import them here. Anyone has tips for me to fix and diagnose this problem without getting the codes?

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5 Suggested Answers

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Posted on Jan 02, 2017

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  • 272 Answers

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.

Posted on May 09, 2009

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  • 6 Answers

SOURCE: VSC TRAC, TRAC OFF and CHECk ENGINE lights

You have to know what code is stored to fix the problem. Toyota's will generally display a Check Engine light, VSC and TRAC light all at the same time, even if it's a simple problem with an oxygen sensor (for example). You can disconnect the negative battery cable for a few minutes, even though you should a scan tool should be used, to clear out the code.

Posted on Jul 28, 2009

jswizzzzzle
  • 74 Answers

SOURCE: VSC, Trac Off and Check Engine

disconect the batery ground for 30 minutes and it will reset the computer

Posted on Feb 03, 2010

mecanica03
  • 907 Answers

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

Posted on Jul 28, 2010

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