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Traction Control - Everything You Want to Know

Discussion in 'General Tundra Discussion' started by KevinK, Feb 17, 2018.

  1. Mar 2, 2019 at 5:14 AM
    #61
    azTony

    azTony member since sept, 2017 and over 1,600 messages

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    The only thing missing from the chart is the RPM zone reminder. That seems to be a factor since wheelers like me from a fully locked LandCruiser rarely spun a tire and when it did spin you let off the gas. This is what will be hard to get used to for me any way.
     
    KevinK[OP] likes this.
  2. Mar 2, 2019 at 7:54 AM
    #62
    Pjholt

    Pjholt New Member

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    Pretty sure I shit myself laughing at the last paragraph. Well done, LMFAO
     
    KevinK[QUOTED][OP] likes this.
  3. Mar 2, 2019 at 5:09 PM
    #63
    KevinK

    KevinK [OP] SGU - High Speed Overlander

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    Yeah same here. Most of my previous rigs have been spooled or LSD, so letting off the gas to reach the sweet spot of the rpm is counter intuitive. You do eventually get used to it though and it works surprisingly well.
     
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  4. Mar 4, 2019 at 4:46 AM
    #64
    Clay Grazer

    Clay Grazer New Member

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    Hi Tony,

    When I put the table together, I was trying to get a concise understanding of how all the Nanny modes tied together and how to access each mode. The logic behind how Toyota set up the sequence of controls makes sense after you study the table. When I finished the table, I thought it was useful enough to share with all the Tundranites.

    If I understand correctly, the 1800 - 2200 rpm range applies only to TRAC/A-TRAC/LSD modes. That rpm limit does not apply to every entry on the table, so I thought it would be too much information for the table's intended purpose. There are other points of interest for each mode, and to include those would bloat the table's ease of reading. I think it's best to just understand each mode and not try to include everything in the table.

    Kevin's explanations are excellent and explain each mode very well. The table is just to concisely point you to how to get to each of the modes.

    Clay
     
    Last edited: Mar 4, 2019
    azTony likes this.
  5. Mar 4, 2019 at 8:33 AM
    #65
    KevinK

    KevinK [OP] SGU - High Speed Overlander

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    It’s not from the Tacoma thread, but I also don’t remember exactly where I did find it. It was Tundra specific, I do remember that. The ATrac implementation on Tacos, Runners and FJs is far superior to that of the Tundra.

    Maybe I stole it from here:
    https://www.tundratalk.net/forums/t...-vsc-modes-diagram.html#/topics/249962?page=1


    and possibly some from here:
    https://www.tundratalk.net/forums/tundra-drivetrain/417362-traction-control.html

    I used to frequent that site heavily, but couldn’t stand the Tapatalk interface and all the fuckin ads.
     
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  6. Mar 4, 2019 at 10:55 AM
    #66
    Clay Grazer

    Clay Grazer New Member

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  7. Apr 3, 2019 at 3:09 PM
    #67
    Brownsfanhere

    Brownsfanhere New Member

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    I’m new to the tundra. Not a fan of the lsd and traction control. I hope the next gen has a auto mode like Gm. Gm gets many things wrong. That’s why I’m in a Tundra. And I love the tundra. But Gm auto mode is hands down so much better than the nanny stuff Toyota has currently. I need new tires. But even then driving in slush here comes the nanny stuff. Slipping and going nowhere. Shouldn’t need 4H for slush. Gms auto mode is outstanding and hope Toyota does the same thing in the next gen. I’m in a 15’ so don’t know if it’s been changed. But make no mistake this beats a Gm current gen all day long.
     
    Last edited: Apr 3, 2019
    KevinK[OP] likes this.
  8. Apr 3, 2019 at 8:22 PM
    #68
    ‘19pro

    ‘19pro New Member

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    Well I took my ‘19 pro out to the dunes today. Attempted to tear ass through the sand with all the nanny controls on in 2wd, not advisable. 4HI- with nannies, worked great for five minutes then got all kinds of lights and warnings (PCS, LDA, VSC). Let it sit and cool the brakes for twenty minutes and everything was fine again. 4HI- all the nanny controls off(held TRAC button for 3 seconds) still found the truck bogging down as if the nanny was still there, had it floored in 1st gear and it bogged so badly I thought I was gonna sink. Then the warnings came back as if I had never turned the nanny off. Sooooo maybe I need to get off the skinny pedal and trust the engineers, or the ‘19s nannies can’t be fully turned off. Still had a great time but VSC (I assume) was still getting involved. It was most noticeable when traversing dunes sideways and the truck was sliding down towards the low side. Naturally steering input didn’t match direction of travel. maybe that was my issue. I would just like to know for sure everything was off, and the truck not pull power from me, and let me learn for myself that I was going to bury it.
    4LO was no better by the way, same interference but at much lower speeds which lead to much fear of burial. Earlier in the day I climbed steeeeeep loose shale in 4HI TRAC OFF like it was nothing. RPM was idle to 2000 though. Crawled up like it was nothing, wrangler behind me used lots of throttle and wheel spin to accomplish same task.

    Anybody else experience the interference I am trying to convey?
     
  9. Apr 3, 2019 at 9:27 PM
    #69
    KevinK

    KevinK [OP] SGU - High Speed Overlander

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    In the dunes just pull the fuse. It’ll never be able to keep up and you’ll burn the abs distro trying.

    I assume if your comfortable traversing dunes sideways and steering into it, you’re capable of driving the truck with zero nannies in the sand.
     
  10. Apr 3, 2019 at 9:31 PM
    #70
    ‘19pro

    ‘19pro New Member

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    Exactly what I was thinking of doing, I will try that next time. Thank you for the second opinion.
     
    KevinK[QUOTED][OP] likes this.
  11. Apr 4, 2019 at 5:47 AM
    #71
    Clay Grazer

    Clay Grazer New Member

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    Which fuse do you pull for total nanny negation? Is it in the fuse box under the hood?
     
  12. Apr 18, 2019 at 6:23 PM
    #72
    phabej

    phabej New Member

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    I agree. I love their AWD mode. Had it on my 16 Silverado and drove through Portland's snow when everyone was stuck going up hill without any hiccup. And I lost no grip on rainy day up hill, the wheels never over spun or lost traction. G80 locker!
     
    Brownsfanhere[QUOTED] likes this.
  13. Apr 18, 2019 at 6:31 PM
    #73
    matrdguy

    matrdguy New Member

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    Nice post
     
  14. Jul 28, 2019 at 9:40 PM
    #74
    duncanrc

    duncanrc New Member

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    Great article! I met a fellow with a 5.7L 4X4 and he recons he gets better feel mileage on the HW with the nannies off.
    Has any others found this to be true?
     
  15. Jul 29, 2019 at 7:02 AM
    #75
    KevinK

    KevinK [OP] SGU - High Speed Overlander

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    I can see the logic in that. I’d be interested in some imperical evidence to support it, but that may be hard to come by.
    FWIW, I usually hit the trac button once as soon as I start the truck. I just don’t like it pulling power when I pull out into traffic if I get a little wheel slip.
     
  16. Sep 12, 2019 at 7:32 PM
    #76
    UTAHRTK

    UTAHRTK New Member

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    Hit Tow Haul at the light- was at an incline. Stomped on it for 1/4 mile- noticed TH off Auto LSD on and smelled what I think was burning oil. Any knowledge on this? I was bummed- seems to be fine and no other lights on. Plan to drive mellow for a while...
     
  17. Jan 3, 2020 at 7:47 AM
    #77
    619Tundra

    619Tundra New Member

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  18. Mar 30, 2020 at 11:33 PM
    #78
    dsurfkiller

    dsurfkiller New Member

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    Great thread, thanks for the excellent tutorial, it answered all my questions, except one....

    Does atrac / traction control on a 2020 Tundra 4x4 work in reverse? I'm test driving and likely to buy a Tundra 4x4 base model SR on Wednesday. I searched this, forum, and read the owners manual, but couldn't find the answer.

    I ask because last year I watched brand new a Tacoma TRD PRO stuck and spinning 1 wheel trying to back out of a motel parking lot at a ski resort the morning after a foot of snow. Not sure if he was stuck because his crawl control didn't work in revere, or if he just didn't know what he was doing. (My 03 tacoma 4x4 with true locking dif had no issue driving out.)

    Also, is there any other performance benefit in the off road packages vs the base Tundra SR in 4x4 besides skid plates, tires, rims, and shocks? From the brochures and reviews it looks like the base Tundra SR 4x4 and the Tundra TRD off road and pro packages use the same 4wd ABS-based limited slip dif. The base and pro packages even have the same 10inch ground clearance, despite the bigger tires on TRD pro. Bottom line, for someone who sticks to desert sand and snowy roads, is there any mechanical benefit, in terms of not getting stuck, to the PRO or off road to justify the extra $.
     
  19. Mar 31, 2020 at 7:20 AM
    #79
    azTony

    azTony member since sept, 2017 and over 1,600 messages

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    2018 Tundra Platinum with Icon Stage 9 w/3.0 and billet UCA, Harrop Elockers, 5.29 on 37’s
    From what I have seen everyone loves the Pro but tires, wheels, lift, etc. get swapped out which is most of what yo pay for. There are most stealerships that charge a fee just because it is a Pro and limited in quantities.

    To each their own but I wanted the options and bought a Platinum... and swapped everything like I mentioned above. It is all you choice but figure out what you like first. The Pro will get you a bed with the PRO stamped into it and a grill and fancy wheels and suspension.

    Take your time to understand the options. You can try to go in and talk to a dealer but most do not know off the top of their head and will most likely try talking you into the most $$ one
     
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  20. Apr 10, 2020 at 5:55 AM
    #80
    tarathetundra

    tarathetundra New Member

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    Quick question in regards to this. I have a 2wd truck and I’ve been messing with the traction control settings. With full nannies off I get complete control of the truck/no throttle reduction however it’s typically due to the one wheel peel from the open diff. So I tried using the 2nd mode of traction control (1click,then another 3second hold) this lights up my dash turning vsc off and PCs while keeping the auto lsd on which I like having power to two tires rather than one however let’s say on a rainy day I wanted to rip a donut on a closed course somewhere in Mexico of course lol the auto lsd mode with vcs disabled seems to be the right option however there are some instances where the truck can rip nice clean predictable donuts with the system and other times it retards power has anyone found a sweet spot in the rpm range to help with this? With all nannies completely turned off I’ll just blow one tire off not allowing me to slide. Is there a solution to this? Or is it time for a true posi such as a auburn or maybe a powertrax if it’s ever released. Thanks!
     
  21. Apr 28, 2020 at 6:46 PM
    #81
    KevinK

    KevinK [OP] SGU - High Speed Overlander

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    I doubt the system can compensate for the kind of fun you’re looking for and pinch the ‘loose’ wheel just enough to let you burn elevens instead of ones. A quick auburn install will probably be your best bet for all that fun in Mexico. ;)
     
  22. Jun 12, 2020 at 5:41 PM
    #82
    Pitbull410

    Pitbull410 New Member

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    This thread really needs to be "pinned"/"stickied"!
     
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  23. Jul 22, 2020 at 3:18 PM
    #83
    skilyft

    skilyft Likely thinking about skiing

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    THIS THREAD IS MONEY -> printed off the first post and its now in my glovebox!
     
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  24. Aug 15, 2020 at 8:16 AM
    #84
    UTAHRTK

    UTAHRTK New Member

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    Any known issues or gains with driving with nannies off for daily driving?
     
  25. Aug 17, 2020 at 12:40 PM
    #85
    KevinK

    KevinK [OP] SGU - High Speed Overlander

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    No known gains such as improved fuel economy or anything.
    “Potentially” dangerous if you don’t know how to drive with nannies off would be the only issue.
     
  26. Aug 18, 2020 at 5:36 AM
    #86
    UTAHRTK

    UTAHRTK New Member

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    Thanks. Thats a bad ass Tundra you have.
     
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  27. Aug 19, 2020 at 7:50 PM
    #87
    KevinK

    KevinK [OP] SGU - High Speed Overlander

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    Thanks man!
     
  28. Sep 30, 2020 at 10:35 AM
    #88
    BlueSky

    BlueSky New Member

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    It took a while to find the “Wholly Grail” ;) on Tundra Traction but now I’ve found it it will be printed off and in the truck. Thanks for that chart, it’s the bomb. :locked:
     
  29. Sep 30, 2020 at 1:15 PM
    #89
    CementNick561

    CementNick561 New Member

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    good info ty!!
     
  30. Apr 29, 2021 at 4:55 AM
    #90
    nobodyintexas

    nobodyintexas What?

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    Whatever this forum told me to do
    so...after reviewing this awesome thread.

    if one were to put a supercharger on the Tundra...the correct "fun" setting is which?

    one push of nanny button?
    2nd push of nanny button?
     

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