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What is VSC and TRAC

Discussion in '2nd Gen. Tacomas (2005-2015)' started by harpolith, Oct 22, 2009.

  1. Oct 22, 2009 at 1:19 PM
    #1
    harpolith

    harpolith [OP] Well-Known Member

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    i just picked up my new taco! 2010 access cab 4WD 2.7.

    i'm wondering... can anyone tell me what VSC and TRAC are and when one might use them?
     
  2. Oct 22, 2009 at 1:41 PM
    #2
    brandob9

    brandob9 Well-Known Member

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    VSC = Vehicle Stability Control. This general butt-saver looks at yaw rates, steering angle and throttle inputs to keep you pointed straight through selective brake use.

    TRAC = Traction Control. This prevents your drive wheels from being over-powered and spinning.

    Both systems are VERY handy for street driving, especially in less than ideal conditions.
     
  3. Oct 22, 2009 at 2:15 PM
    #3
    harpolith

    harpolith [OP] Well-Known Member

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    can you expand on that? how is it used for street driving?
    after reading the manual, i was under the impression that they are only to be used in 4Low.

    thanks for your comments! lots of icy roads in south dakota in the winter months.
     
  4. Oct 22, 2009 at 2:20 PM
    #4
    NCTacoma09

    NCTacoma09 Stand for Nothing or Die for Something

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    Ive always wondered about this too. The owners Manual doesnt explain it very well in my opinion.
     
  5. Oct 22, 2009 at 2:24 PM
    #5
    brandob9

    brandob9 Well-Known Member

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    Street, in this context, just means normal driving on public roads. There is lots of discussion around here about off-roading, and I was just adding that for clarification.

    Both of these systems are on full-time in 2Hi and 4Hi, except when you choose to disable them using the button to the low left of the steering wheel to disable them. 4-Lo automatically disables both of these assistants, perhaps under the assumption that you are off-road.

    When driving on ice, if you use too much power, you will overcome the available traction of the tires and they will spin. TRAC prevents this. Once spinning, it is likely that the rear of your truck will start to go sideways. VSC prevents this slip (or drift) from becoming excessive and will correct it for you.
     
  6. Oct 22, 2009 at 2:28 PM
    #6
    NetMonkey

    NetMonkey Well-Known Member

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    Toytec Ultimate Lift @ 3", Mickey Thompson MTZ's 285/75/16, Moto Metal 955b, rear 2" ALL, Marlin Crawler sliders
    from another thread; just more details...

     
  7. Oct 22, 2009 at 2:30 PM
    #7
    NCTacoma09

    NCTacoma09 Stand for Nothing or Die for Something

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    when should you use auto LSD?
     
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