Question about 2004 Lexus RX 330

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SOMETIMES WHEN I HIT A BUMP-ALL SIGNS COME BACK CHECK ENGINE, vsc control, trac off, cruise control NOT WORKING all SINGS POP UP IN ONE ITME, ABD CRUISE CONTROL DOESNT AWORK ANYMORE. ALSO SOMETIMES MAIN HEADLIGHT GOES OFF-SOMETIMES LEFT SIDE OTHER TIMES RIGHT SIDE, BUT COMES BACK ON INSTANTLY WHEN SWITCHED OFF AND ON DEALER HAS NOT BEEN ABLE TORESOLVE TH PROBLEM-ALMOST GONE BACK FOUR TIMES, IT COMES BACK, WITHIN AN HR PROBLEM IS BACK AGAIN-THANKS IF POSSIBLE PLEASE REPLY TO XAINADU1@GMAIL.COM

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  • xainadu1 Apr 20, 2009

    car has been to the dealer 6-times sign is gone-i pickup the car and have gone back every time within hours of driving-the sheck light signs keep coming back-they cannot fix saying its a grounding problem? probably-code reads intermittent loss>

  • ERIC BAKER May 11, 2010

    Have you tried checking the battery positive and negative connection's, and the drive belt?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: lexus rx300 check engine/ vsc light

After having my oil changed, the next day the trac off light and vsc light came on and don't go off...can you tell me how to get them off? HELP

Posted on Jan 17, 2009

mecanica03
  • 881 Answers

SOURCE: Why is the vsc light check engine light and trac

to reset for a momentany malfuntion,disconnect the negative battery terminal few minutes, reconnect,start engine and drive to check

Posted on May 03, 2009

  • 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

  • 1861 Answers

SOURCE: 2004 Sequoia. VSC TRAC, TRAC OFF, and Check

It is not hard to change the sensor, it just screws into a threaded hole. The light will not go out immeditaly, after the sensor is replaced. It needs to go thru a drive cycle. Your best bet is to replace the sensor and get the code cleard by whoever scanned it for the 0031 code.

Posted on Jul 23, 2009

  • 21 Answers

SOURCE: 2004 Toyota 4Runner, Regarding The VSC TRAC and VSC OFF lights

Check your switches for the VSC, some get bumped on (due to their location) and some get stuck in the "on"position.

Posted on Aug 04, 2009

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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.

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On my Toyota Sienna 2008, my check engine light, Trac Off and VSC lights are one. Why? How do I fix it?


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Most of the time it is caused by a single fault in the engine management system. Fault codes are codes that are output by the ECM to let a diagnostician know which of the many systems, that are monitored by the ECM, is malfunctioning. To find out what the actual cause is, you must scan the ECM for fault codes then use this information to begin diagnosis of the system that the fault codes point to.

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