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VSC came on while towing??

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Rocko, Sep 10, 2011.

  1. Sep 10, 2011 at 6:57 PM
    #1
    Rocko

    Rocko [OP] Active Member

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    Hey guys, I was towing my trailer, (Appx #4000 fully loaded) and had the VSC come on while on a twisty, dry pavement road a few times. Scared me pretty bad. I was not sliding or anything to cause it to kick in, something tricked out the system. I have no lift, the truck is stock but am running 265/75/16 tires. I turned it off for the remainder of the trip, but whats up?
     
  2. Sep 10, 2011 at 7:00 PM
    #2
    OZ-T

    OZ-T Quite an experience to live in fear , isn't it ?

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    Was the rear sagging at all while towing ?

    The skid control ecu seems sensitive to a nose-high condition .
     
  3. Sep 10, 2011 at 7:07 PM
    #3
    David K

    David K Well-Known Member

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    What 'came on'? The beep-beep-beep or the light or you 'felt' some braking action???
     
  4. Sep 10, 2011 at 7:18 PM
    #4
    OZ-T

    OZ-T Quite an experience to live in fear , isn't it ?

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    Sounds like the VSC engaged
     
  5. Sep 10, 2011 at 8:47 PM
    #5
    Rocko

    Rocko [OP] Active Member

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    Yeah, it engaged. Locked up one of the rear tires a few times each incident. The rear was sagging a little, I do have a weight distribution hitch, I just have it set up a little light. figuring it is a little safer to have it sag a little instead of nose high.
     
  6. Sep 10, 2011 at 9:20 PM
    #6
    OZ-T

    OZ-T Quite an experience to live in fear , isn't it ?

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    My truck would engage on stock suspension on curvy roads when I had a load in the back
     
  7. Sep 10, 2011 at 9:33 PM
    #7
    horwitzs

    horwitzs Well-Known Member

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    Slow down.
     
  8. Sep 10, 2011 at 9:35 PM
    #8
    Rocko

    Rocko [OP] Active Member

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    Good enough. I have my answer now. Sounds like Toyota has it set up a little sensitive. I'll just turn it off when towing.
     
  9. Sep 10, 2011 at 9:40 PM
    #9
    OffroadToy

    OffroadToy This ain't Dodge City, and you ain't Bill Hickok

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    Have you concidered getting the aal tsb installed?
     
  10. Sep 10, 2011 at 11:23 PM
    #10
    Rocko

    Rocko [OP] Active Member

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    You may be on to something...
     
  11. Sep 11, 2011 at 6:44 AM
    #11
    PSJ

    PSJ Prerunners Work

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    Since your towing 4000# more or less, go get the rear leaf spring TSB done and it should help with the sag. Its a free upgrade, and I am sure it will help with that load while towing. ;)
     
  12. Sep 11, 2011 at 1:13 PM
    #12
    Sprink669

    Sprink669 Well-Known Member

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    I just bought a aluminum 12' snowmobile trailer and unloaded weight is 495#'s and while driving my check engine light and vsc came on. I did not feel anything happened as far as brakes locking up. I did have to unhook the battery for 60 seconds to get the lights to go off. The trailer was sitting level and does not have brakes.
     
  13. Sep 11, 2011 at 1:17 PM
    #13
    OZ-T

    OZ-T Quite an experience to live in fear , isn't it ?

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    If you didn't feel a pulsing in the brake pedal similar to an ABS activation and hear a beep beep beep , then your VSC did not engage .
     
  14. Sep 11, 2011 at 1:22 PM
    #14
    Sprink669

    Sprink669 Well-Known Member

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    I did not hear or feel anything but the VSC and check engine light were on? What would you suspect for the warning lights? I have not towed since I reset the lights and it has not come back on.
     
  15. Sep 11, 2011 at 2:11 PM
    #15
    OZ-T

    OZ-T Quite an experience to live in fear , isn't it ?

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    Maybe there is some kind of issue with the trailer harness , I'm not sure on that one
     
  16. Sep 12, 2011 at 3:41 AM
    #16
    reg boulette

    reg boulette Well-Known Member

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    I would check your trailer wiring harness, as this happened to me (10 foot snowmobile trailer :) )with an aftermarket harness. After getting the Toyota harness, end of problem.
     
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