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Sway Control

This is a discussion on Sway Control within the Towing forums, Tweet Specs for my truck says it has "sway control". Does anyone know what this means? I read on here ...

  1. #1
    Semper_Gumby's Avatar
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    Sway Control



    Specs for my truck says it has "sway control". Does anyone know what this means? I read on here somewhere that it is a computerized feature which makes me think it is something like traction control for towing. Will this automatically retard the engine if trailer sway is detected?

    I'm just wondering if anyone has more information on this feature. It isn't in the owner's manual that I can see.

    Thanks!
    2011 4.6L Toyota Tundra Double Cab 4X4 Pyrite Mica with tow package, cold weather package, Drawtite Activator Break Controler and J&R Soft Vinyl Tonneau Cover.

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    Semper, here is what I found on Toyota's website, and it does suggest that there's more detailed info in your Owner's Manual. My guess is it's in there somewhere and you might have missed it.

    "Trailer-Sway Control (TSC) is an electronic system designed to help the driver maintain vehicle control under adverse conditions. It is not a substitute for safe driving practices. Factors including speed, road conditions and driver steering input can all affect whether TSC will be effective in preventing a loss of control. Please see your Owner’s Manual for further details."

    2011 Tundra Limited Double Cab 4x4 5.7L Super White

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    You still need a brake controller.

    I am not sure but I think when the computer sensors pick up sway on the trailer, then it applies the trailer's brakes slightly to get the trailer back under control. Or maybe it uses the truck's brakes to get it back under control.
    Any questions about truck mods I have done need to be asked in the forums. Don't send me a private message about mods cause I probably won't answer that PM unless there is money involved.

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    Mods: nerf bars, Truxedo tonneau, radar detector power, 3M clear bra, fog lights, black billet grille, rear differential breather, parking sensors, Line-X, power tailgate lock, hood safety latch mod, one off driving lights behind grille, Pioneer NAV w/ OEM camera, CDT 6.5" speakers, Flowmaster 50 SUV dual/dual, blue LED dash lights, Volant CAI, Llumar tint, CompuStar Pro alarm, ProComp 6066 20" wheels, Nitto Terra Grapplers LT305/55/20, OME HD coilover lift, Firestone helper air bags, 55w reverse lights, stereo cable lock, Tekonsha P3 brake controller, colormatched exterior parts (de-chromed truck), Weathertech floor mats, eDead sound proofing, CDT Audio speakers, Custom made speaker brackets, LED foot well lights, PRG/Deaver 3 leaf mini-pack, LED map lights, Air Lift WirelessAir system, Bed LED Lights
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    My experience with towing is applying the truck brakes make a fishtailing trailer sway even worse. On that basis Tox, I would think your first thought about the system would be accurate.

    2011 Tundra Limited Double Cab 4x4 5.7L Super White

    Pioneer AVIC Z-120BT Nav Unit w/XM Satellite radio
    ROSTRA Tailgate back-up camera
    Key FOB Tailgate Lock (courtesy Toxarch design)
    AirLift Wireless Air System with Firestone Air Bags
    OEM sliding back glass, fender flares, bedliner, step rails and door sill protectors
    Sylvania zXe H11 halogen low beam and zXe 9005 high beam bulbs
    LED footwell, courtesy, dome, cargo, third brake light, tail/brake, turn signal (front and rear), backup and license plate lights from V-LEDS.com
    WeatherTech Floor Liners
    UWS Black Powdercoat Low Profile Toolbox
    DU-HA underseat storage unit
    Tekonsha Prodigy P3 Brake Controller

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    Semper_Gumby's Avatar
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    Quote Originally Posted by Toxarch View Post
    You still need a brake controller.

    I am not sure but I think when the computer sensors pick up sway on the trailer, then it applies the trailer's brakes slightly to get the trailer back under control. Or maybe it uses the truck's brakes to get it back under control.

    I already got the brake controller moved over from my Jeep.

    Thanks for all the input everyone. I will take another look at my manual this evening to see if I can find anything. I think I saw a blurb about sway control in the towing section but it didn't really describe what occurs.

    I was also wondering if adding a sway bar into the tow hookup is necessary. I've never needed one with my Jeep or Ford Ranger when towing. I haven't towed this camper with a truck (towed a small boat with the ranger) and wonder how it will react with the lack of weight in a truck bed compared to the Jeep. It isn't a huge camper, just a Fleetwood popup so my concern is probably unwarrented.

    Thanks!
    2011 4.6L Toyota Tundra Double Cab 4X4 Pyrite Mica with tow package, cold weather package, Drawtite Activator Break Controler and J&R Soft Vinyl Tonneau Cover.

    Intended mods:
    Aftermarket radio, backup camera, GPS and bluetooth
    Nerf Bars
    Fog Lights
    DRL
    Seat Covers
    Bug deflector

  • #6
    Toxarch's Avatar
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    I've found that the lighter the vehicle, the more sway. So if you didn't have any problems with a Ford Ranger or a Jeep, then you shouldn't with a heavy truck like the Tundra.
    Any questions about truck mods I have done need to be asked in the forums. Don't send me a private message about mods cause I probably won't answer that PM unless there is money involved.

    2007 SR5 Crewmax 5.7L 4x4
    Mods: nerf bars, Truxedo tonneau, radar detector power, 3M clear bra, fog lights, black billet grille, rear differential breather, parking sensors, Line-X, power tailgate lock, hood safety latch mod, one off driving lights behind grille, Pioneer NAV w/ OEM camera, CDT 6.5" speakers, Flowmaster 50 SUV dual/dual, blue LED dash lights, Volant CAI, Llumar tint, CompuStar Pro alarm, ProComp 6066 20" wheels, Nitto Terra Grapplers LT305/55/20, OME HD coilover lift, Firestone helper air bags, 55w reverse lights, stereo cable lock, Tekonsha P3 brake controller, colormatched exterior parts (de-chromed truck), Weathertech floor mats, eDead sound proofing, CDT Audio speakers, Custom made speaker brackets, LED foot well lights, PRG/Deaver 3 leaf mini-pack, LED map lights, Air Lift WirelessAir system, Bed LED Lights
    All mod descriptions and pictures © 2007-2014 by Toxarch. They may be copied only for personal use and the mods may be done for non-profit only.


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