Question about 2002 Toyota Sienna

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Our VSC, Trac off and engine malfunction warning lights all came on last night while my husband was driving the van (in slippery conditions). Is it OK to drive?

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Its ok to drive only for the distance which will make it upto the garage as it's an engine malfunction warning light that means if you don't fix this problem it can create big problem in the future. There are several reason for the engine malfunction light. some are minor and some are major so its better to have it checked.

Posted on Dec 11, 2009

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2 Answers

VSC off VSC trac on as well as check engine light on but the car is working fine I've driven with both the lights on? Is there something wrong, what should I do? Should I stop driving and how can


VSC is vehicle stability/skid control. Find the button that turns it off and on. Push the button to turn it on and the light should go off. Most cases systems like these will have a light stay on any time they are turned off. If the vehicle is a 96' or newer call around to your local auto parts stores and you should find one that will scan your vehicle for free and tell you why the check engine light is on. If the two problems are related the scan should tell you what part of the VSC is malfunctioning.

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VSC TRAC AND CHECK ENGINE LIGHT ARE ALL ON IN MY DAUGHTER'S 2005 SCION XB. LAST NIGHT EVERYTHING WAS FINE. IS THE CAR SAFE TO DRIVE


did you left your gas cap loosse, well every time check engine lite is on, your vsv lite will come on has well, if check engine lite is not flashing you ok to drive it but have some one scan it asap,j you dont want a problem getting biger,
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Vsc, engine and track off light are on the dash board, what could this indicate?


VSC is for "Variable Slip Control" and TRAC is for "Traction Control". Your car is equipped with an antilock brake control system that is also equipped with VSC and TRAC. If these lights are staying on all the time, it is an indication that there is a malfunction in the system and your car will not function properly in the event that you get into a situation where evasive maneuvers are needed and/or slippery conditions could cause you to lose control of your vehicle.

SYSTEM OUTLINE

The vehicle could be in an extreme over steering or under steering tendency due to unexpected accidents, road conditions, vehicle speed, or by other external factors. In such a case, this system automatically controls the engine output and the braking to each wheel, to decrease the extreme over steering and under steering.

  • To decrease extreme over steering tendency When the system determines that the over steering tendency is large, the system applies brakes to the outer wheels according to the degree of over steering, and creates a moment towards the outer side of the vehicle, to decrease the tendency of over steering. Also, when the brakes are applied, the vehicle speed decreases while the stability increases.
  • To decrease extreme under steering tendency When the system determines that the under steering tendency is large, the system applies brakes to the front or rear wheels according to the degree of under steering, to decrease the tendency of under steering.
  • VSC OFF SW The SW to send the VSC system into OFF mode. When the SW is pushed after starting the engine, the system will be in OFF mode, and the VSC off indicator light will turn on. When the SW is pushed again, the system will be in standby mode. When the engine is stopped and re-started, regardless of the VSC OFF SW, the system will be in standby mode.
Information to the driver
The VSC system informs the driver when the tire grip is about to exceed its grip capacity, by blinking the slip indicator light and turning on the buzzer. Accordingly, the driver is informed to drive more gently.

**************************************************************************************************************************
Diagnosis of this problem needs to begin with a scan of your VSC and Traction Control and ABS control modules to retrieve fault codes. It could be anything as simple and painless as a malfunctioning Wheel Speed Sensor, or something as expensive as a damaged Hydraulic Control Unit.

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1 Answer

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