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did you read the operators guide yet, it answers that.
all cars made with VSC.
it will say,driving wrong or there is a problem with the system.
if not driving wrong, then take it to the service shop for tests.
read the wiki on VSC, learn what it does.
it can be normal or bad.
not reading the operators manual on this invites, danger to you and others. read it.
the lamp does have messages to you, on , off, flash etc.
When the VSC and trac light comes on, Your vehicle enter a fail safe function the ECU rejects any open request from the VSC system and your vehicle operate regardless of ABS,TRAC, and VSC. Having it cleared without corrections will allow the light to come on. If the VSC is seeing a large over steer the VSC and trac light comes on.(even if its under steer).If the ABS ,Trac is correct you will need to seek zero calibration.This is done through the DLC connection in the hood.The easy way to reinitial lize steering angle is done by keeping steering wheel in the straight ahead position (driver window down) disconnect the negative battery, and reconnect , turn key on . The other way is to go to the engine and find the DLC again driver window rolled down steering wheel in the straight ahead position. do not shake the vehicle you must be on a true level ground. No heavy load in the vehicle and no entering the vehicle untill this is complete Turn the key on at this point you will do everything through the window you cannot enter the vehicle.in the hood where the DLC is at you will short pin Ts and CG with a paper clip 4 times repeatedly within 8 seconds. There the VSC will go to zero point.Turn key off (again turn ignition off through the window) make sure you remove the shorting out of Ts and CG. Now your done. For Rav4 use you DLC 3 its under the driver dash.As for the pin location its on the cover of the DLC 3
Hi, have you scanned the vehicle to see why your check engine light is on? IF no, you need to. Toyota/Lexus computer system illumniates both engine light and VSC lights whenver a fault occurs in either unit. VSC or stability control is like trac-control or ABS braking system. Get car scanned and make sure all computers are scanned for additional codes, repair them first reset lights and test drive. ON a side note, fixing check engine light will usually take VSC light away also, however sometimes the VSC system will glitch out and a Steering Angle relearn is necessary, it takes about 3mins to perform and a good quality scan tool with 2004 current software. Good Luck.
Had this happen to my '05 Vibe (Matrix evil clone) recently. Mechanic read & reset codes. The non-flashing Engine light showed 2 large emission leaks. The VSC could be any number of things. He said hopefully it was a false positive on the VSC... potentially expensive to fix. Lights stayed off for a couple weeks & are now back on. I'm planning on seeing him later today. Also, said stability light stayed off, it is still working. fwiw...