DIY VSC bypass mod on my "07" - Toyota Tundra Forums : Tundra Solutions Forum

WT · #1 (**permalink**) 09-19-2008, 10:34 PM

Okay first off I like to say I have been successfull bypassing the VSC when I start my truck by using a control module (TR-7). What it basicly does is starts a timer just as the truck starts and holds a ground to a single wire on the back of the VSC button (yellow wire) for 5 seconds. This turns off all the nannies as other call them, I call them safety features. But I am not here to argue this point since I have heard so many on this forum and others wanting a way to disable these since they got the truck. Well I have finally had a chance to try out my idea thats been in the back of my head for a while now.
This mod will not do anything to disable the VSC button as it functions now, so by hitting the VSC button on the dash again after the module does the bypass after you start the truck will turn it all off.

Notes:
This may only work on a 07 since thats all I have to test with and from my understanding that the 08's function a little different.
The bypass function only happens when you start the truck the first time after it has been turned off.
The VSC button functions as normal.
A switch can be put in line with the trigger wire to the yellow wire on the VSC switch if you want to have it function as normal unless you have the switch on, I did not do this yet and may over the weekend.
During the initial testing this mod has been working as planned. Below I will post some pics and a video to prove it works, since I know there are a few here that say no pictures or proof it does not exists.

Oh got to toss this little disclaimer out here,
No one shall hold me , this forum or any other companies that they acquire these parts from, for any damage or injury to them or their vehicle if they choose to follow this information to do this mod on there own personal vehicle.

On to the video:

Testing the TR-7(Function#12) module after programming to verify its working as I want it too:

Back of VSC on dash:

T-tap placed on yellow wire:

I used t-taps and crimp wires just to make quick removal easy, this is the Wire I ran under dash to center console area were I put the module. I did this cause I already tapped 12V from the cig. lighter plug here for my SPG for the NAV.

Module wired up just as I was testing before cleaning up the wiring:

Completed, oh you may see the SPG down there too:

Well that is my little project for today. I will try and get a wiring diagram up over the weekend if I don't get to busy with other stuff.

Hope you all enjoy....

TiagoHouston · #2 (**permalink**) 09-19-2008, 10:40 PM

Thanks man.

ballin · #3 (**permalink**) 09-19-2008, 11:21 PM

good job in figuring that out, but what is so hard about pushing the button for 3 sec.

quarque · #4 (**permalink**) 09-19-2008, 11:35 PM

"...since I know there are a few here that say no pictures or proof it does not exists. "

True, but you could have Photoshopped al those pics, right?

Nice idea though.

WT · #5 (**permalink**) 09-20-2008, 12:33 AM

Quote:

Originally Posted by TiagoHouston

Thanks man.

Well enjoy and glad it made your day.

Quote:

Originally Posted by ballin

good job in figuring that out, but what is so hard about pushing the button for 3 sec.

Its a pain if your someone that wants to turn it off each time you start the truck. Now I don't have too.

Quote:

Originally Posted by quarque

"...since I know there are a few here that say no pictures or proof it does not exists. "

True, but you could have Photoshopped al those pics, right?

Nice idea though.

Damn you figured me out and about my photoshop skills...

07DCwhiteSR5 · #6 (**permalink**) 09-20-2008, 12:51 AM

lots of people want them turned off all the time so they can drive like hoodlums. more power to ya. in my old corvette days we had people wanting to do the same thing.

Negra · #7 (**permalink**) 09-20-2008, 06:49 AM

Guess you just named the Mod !
Im sure it will catch on pretty fast.
For those that dont do the actual mod and just opt for the Old School 3 Sec disable.
They can refer to it as "Hoodlum mode" or pushing and holding the "Hoodlum" button for 3 sec. etc,etc.............

Quote:

Originally Posted by 07DCwhiteSR5

lots of people want them turned off all the time so they can drive like hoodlums. more power to ya. in my old corvette days we had people wanting to do the same thing.

v8hunter · #8 (**permalink**) 09-20-2008, 10:35 AM

Does this actually turn all of the nannies off, or does it just do the same thing as holding the button down for 3 seconds. We all know that the nannies are scaled back when the vsc off button is pushed, but not completely gone.

WT · #9 (**permalink**) 09-20-2008, 10:43 AM

Quote:

Originally Posted by v8hunter

Does this actually turn all of the nannies off, or does it just do the same thing as holding the button down for 3 seconds. We all know that the nannies are scaled back when the vsc off button is pushed, but not completely gone.

My understanding is it is all off when you hit and hold the button for more than 3 seconds and the lights indicate them all off, unless I am missing soemthing here. All this mod does is save you from pushing the button each time you goto start the truck and if you want you can turn it all back on by hitting the button once.

So this mod only makes it so you don't have to go through the button pressing process each time you start your truck. There is nothing magical about it and its a simple mod for those that want the features disabled automaticaly for them.

TiagoHouston · #10 (**permalink**) 09-20-2008, 10:17 PM

So how about that wiring diagram, also I was thinking since the 08 you have to push 2 times what if you add 2 boxes one for the main switch and the second box for the first box would that work? if that made since Im not good with electrical stuff so idk lol!

WT · #11 (**permalink**) 09-21-2008, 09:07 AM

Quote:

Originally Posted by TiagoHouston

So how about that wiring diagram, also I was thinking since the 08 you have to push 2 times what if you add 2 boxes one for the main switch and the second box for the first box would that work? if that made since Im not good with electrical stuff so idk lol!

Okay did a quick diagram this morning to help you out. As for the 08 needing to do the hold for 5 seconds and hold for 5 seconds again to turn off all there nannies, then yes in theory you should be able to setup a second module to run on a different trigger and timmer after the first one but someone would have to test this out.

WT · #12 (**permalink**) 09-21-2008, 09:34 PM

I wanted to post some thing I noticed today driving around town and on the freeway with this mod enabled. The Tundra seems to pull through the gears alot smoother to me now with everything turned off, really notciable when taken off from a dead stop for sure. Then again maybe its just my imagination.