ok...i have a 2010 armada, that we got a few months ago. i see the VDC button on the center console...but what does it do? any benifits turning it on/off??
VDC stands for Vehicle Dynamic Control. What it does is selectively apply the brakes to individual wheels when the system detects slippage in any particular direction, say wheel spin, or if the vehicle is oversteering or understeering. It is a very valuable tool that could keep the vehicle from spinning out, or losing control in another way. In certain circumstances, it can hinder performance, which is why it has a button. For instance, if you're stuck in the snow, wheel spin can actually help you get unstuck. But, VDC will prohibit wheel spin, so turn it off, and you might have more luck getting out.
I believe there is a description of what VDC does in the owner's manual that came with your vehicle.
Good for nothing, gets in the way... ABLS applies the brakes for better traction control... VDC cuts the throttle when the ABLS isn't enough to stop slippage... ABLS=GOOD, VDC=BAD...
In a nutshell these videos would not be possible if the VDC was still on because it would've cut my throttle and I would've gotten stuck, they are both with "VDC Off" :
The VDC comes on when traction become an issue. If it feels you losing traction the VDC prevents the rear wheels from spinning. The first time I went to the beach in the Mada as soon as I got hit the sand the Armada just stopped and I thought I was stuck. I thought to myself "beast my ***" but then I figured out that it was an operator malfunction as I was being pulled out.
Get used to it guys it is a federal requirement on ALL vehicles and light trucks from 2007 and on.......it may not help us but it could help "less skilled drivers" keep from doing a ground loop
If you REALLY want to know what it does.....wait until you get some snow...find a parking lot....go about 20-30 mph and TRY to spin it out you will see
Now that it will do if you cut the VDC off, Its still amazing at the Traction the Armada gets compared to other Suv's I have had and driven. it goes like a Tank.
I am still not sure about the VDC Button .... Off? for dry roads? On? for wet and snowy roads? If left on, on dry roads is it bad for the transmission? gas mileage, what are the risks? The light on the dash board can be distracting, and not knowing for sure what's best for my vehicle, not being 100% sure is uncomfortable.
I am still not sure about the VDC Button .... Off? for dry roads? On? for wet and snowy roads? If left on, on dry roads is it bad for the transmission? gas mileage, what are the risks? The light on the dash board can be distracting, and not knowing for sure what's best for my vehicle, not being 100% sure is uncomfortable.
The wife's armada's VDC stays on all the time for the wife. She doesn't like driving in the snow so it makes her feel a little better. In my titan, I basically turn it off anytime I am going to intentionally need wheel spin. So basically anytime I go off roading and anytime it snows. I don't like the feeling of my vehicle cutting off my throttle in the snow as there has been a couple times I've had to swing the back end around in a vehicle to avoid getting hit. Luckily I have never gotten stuck because I forgot to turn it off. But I have forgotten To turn it off and the truck stopped moving until I turned it off.
vdc senses rotational tire slip. so if your right rear tire is spinning on snow, the vdc applies the brake to that tire to match the rotational speed of the left rear tire and forcing the car to apply torque to the other side tire. Madas don't have posi traction (sorely needed) or lockers, so it doesn't do much. If you have a 4 whl drive mada, that doesn't mean you get 4 wheels applying thrust at once. you get one front and one rear at a time- opposite sides, but since the car flips a coin to see which tires get torque when, the best you can hope for with the transfer case lock selected is right front and left rear, cycling to left front right rear, cycling back and forth. The vdc makes the slipping tires stop spinning so the vehicle can apply torque to the opposite two tires. If you turn it off, the left right cycle is random and you may get both right tires spinning followed by both left tires spinning. If you have two wheel drive all it does is reduce the rate of torque application so it doesn't slam from right to left.
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