I have a 04 Rav4, the check engine light will go on and off. When on the VSC Trac light and Trac will show on panel. Diagnostic test indicated a sensor problem. should I be concerned?
i have had this problem in my imported car from USA as well, changed the gas cap, checked the transmission, and finally changed the cannister, all three possible reasons, yet, lights went back on... really don't know what to do.
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www.automotiveforums.com > ... > Toyota > SequoiaTraction Control System Problems Sequoia Car Forums. ... The VSC/ATRAC indicator lights are staying on and the system will inadvertantly ..... giving a bad reading following the replacement of the steering angle sensor with a new one.
That code relates to a crankshaft position sensor signal. It you have a check engine light come it disables the VSC and Trac system. Until you get that sensor fixed the VSC and the TRAC system will be inop. So whenever you have a check engine light come on that is what you will see. Even though you cancel the check engine light the fault still exists and the VSC/ TRAC light will come back on. That is a sure way to tell that something is wrong.
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.
Please, make your mechanic check the ABS computer. My RAV4 did the same thing, but the mechanical components were alright. After a while, I almost fell off a cliff because my brakes stopped responding properly. When further checked, my mechanic discovered that the ABS computer was damaged. The part alone costs a whooping $3 thousand bucks, not including labor. So, beware and take precautions. Your life may be endangered.