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: TRAC OFF, VSC, and check engine lights are on in my 2004 Lexus ES
Often caused by a loose gas cap or fouled or failed air fuel O2 sensor. Check your gas cap is fully ratcheted, Drive a day or two. If lights don't clear you will need a code reader attached to the car to diagnose.
SOURCE: when starting my lexus GX 470 the vsc off light
The VSC on TRAC off lights will come on when there is an air fuel related issue.
If you have recently filled your tank, unscrew and tighten the gas cap till it clicks. The lights may need to be reset if they stay on after that. They will also be triggered by a fouled O2 sensor ins the engine or exhaust as well as a sticky throttle valve.
If a dealership resets the lights they can attach a code reader under dash to determine the cause in about 5 minutes.
SOURCE: VSC, Trac Off and Check Engine
disconect the batery ground for 30 minutes and it will reset the computer
SOURCE: lexus gs300 vsc check engine light gas pedal no acceleration
I have a a 99 gs 300, check engine light is on as well as the vsc light. What is that and needs to be to done to fix it.
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