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Beep Sound When Hitting Bumps?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by tacomtn, Jul 25, 2011.

  1. Jul 25, 2011 at 12:15 AM
    #1
    tacomtn

    tacomtn [OP] Well-Known Member

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    Sometimes when I hit a bump a little electronic beep sounds off somewhere. I'm not even offroading or speeding, just regular driving, a small bump might set off the beep. So far its only happened sometimes, in 2wd, straight line driving.

    Is this normal? Where's it coming from?
     
  2. Jul 25, 2011 at 12:46 AM
    #2
    JKD

    JKD Well-Known Member

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    No, not normal in regular driving. Do you feel any of your brakes activating or do you feel a 'growl' sound from the truck when that beep happens?
     
  3. Jul 25, 2011 at 1:07 AM
    #3
    tacomtn

    tacomtn [OP] Well-Known Member

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    No, I dont hear those other sounds you're describing, only the single beep. It happens intermittently.
     
  4. Jul 25, 2011 at 1:11 AM
    #4
    jdkeller

    jdkeller How many words can be fit in this s

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    Gremlins? Idk. Never heard beeps before.
     
  5. Jul 25, 2011 at 1:21 AM
    #5
    dep3091

    dep3091 Well-Known Member

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    My driver window squeaks...kinda sounds like a beep.
     
  6. Jul 25, 2011 at 1:57 AM
    #6
    BenWA

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    I'm guessing it's your VSC skid alarm. If you hit a bump just right it can jar the VSC yaw sensor enough to momentarily fool it into thinking that the truck is entering an incipient skid. Usually it happens to me when I hit a bump on a curve tho, not while driving straight.
     
  7. Jul 25, 2011 at 5:33 AM
    #7
    PSJ

    PSJ Prerunners Work

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    Parking brake barely engaged?
     
  8. Jul 25, 2011 at 7:06 AM
    #8
    romafern

    romafern Well-Known Member

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    Machine gun mount. Would love to blow the shit out of it since it has nothing but issues. QA at Toyota USA is shit. Start making them in Japan for Christ's Sake!

    This is the only time when I hear it go off. Only when I bump a curb...
     
  9. Jul 25, 2011 at 7:10 AM
    #9
    GatorComa

    GatorComa Well-Known Member

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    The same thing happens with my truck. There's one specific turn in my neighborhood that I guess gives just the right bump for my VSC to engage. Always scares me haha. But I haven't had it do that just driving on the road with small bumps.
     
  10. Jul 25, 2011 at 8:58 AM
    #10
    David K

    David K Well-Known Member

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    Before driving over that bump next time, fully stop the truck and hold in your VSC OFF switch for a few seconds (until lights come on indicating you are in VSC OFF MODE... Now drive over that bump as before... This may tell you if it is a stability sensor, alerting you that the VSC has just saved you from rolling over, etc. :eek:;) Maybe there is a small curve along with the bump, and that combination puts the VSC into action?

    My VSC beeper rarely goes off... Only on rainy days when I take a turn too fast, and it prevents the truck from spinning out or when four wheeling on loose terrain and sloshing around will make the thing beep,beep,beep.
     
  11. Jul 25, 2011 at 9:53 AM
    #11
    OZ-T

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

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    It is the VSC

    Have you lifted your truck or put on bigger tires than stock ?
     
  12. Jul 25, 2011 at 10:29 AM
    #12
    tacomtn

    tacomtn [OP] Well-Known Member

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    Stock everything.
     
  13. Jul 25, 2011 at 10:35 AM
    #13
    OZ-T

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

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    The VSC will sound a very faint beep without engaging , I think this occurs when you are approaching the parameters where the VSC actually engages .

    This faint beep is different than the loud beeping and light flashing that occurs during VSC engagement , which you also feel through the pedals similar to when ABS engages .
     
  14. Jul 25, 2011 at 10:41 AM
    #14
    BenWA

    BenWA Well-Known Member

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    It used to happen to me on occasion when I was still stock.
     
  15. Jul 25, 2011 at 10:49 AM
    #15
    David K

    David K Well-Known Member

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    Interesting... I have never heard the faint beep...???
     
  16. Jul 25, 2011 at 10:53 AM
    #16
    horwitzs

    horwitzs Well-Known Member

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    You skipped light speed and went straight to ludicrous.
     
  17. Jul 25, 2011 at 11:04 AM
    #17
    BenWA

    BenWA Well-Known Member

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    Me neither. Probably because I have my stereo cranked to 45 most of the time.
     
  18. Jul 25, 2011 at 11:08 AM
    #18
    David K

    David K Well-Known Member

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    You may be correct!:eek:
     
  19. Jul 25, 2011 at 12:15 PM
    #19
    OZ-T

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

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    It happens .

    There is a particular corner that makes my VSC engage if I am going over 40 MPH , if under 40 MPH there is no engagment only a very faint servo / beep noise .
     
  20. Jul 25, 2011 at 12:16 PM
    #20
    OZ-T

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

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    Keep firing Assholes !
     
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