DCCD Usage
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This is a discussion on DCCD Usage within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hi, I just bought an 05 STI two weeks ago and am wondering what exactly the DCCD does and when ...

  1. #1
    Registered User mykle's Avatar
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    DCCD Usage

    Hi,

    I just bought an 05 STI two weeks ago and am wondering what exactly the DCCD does and when to use it. I understand it moves the power distribution around the front and back wheels, but what percentages does it do? When the DCCD is aimed all the way at the back wheels, is 100% power going to the rear wheels, etc.?

    I tried search for the answer to this question on the forums already, but can't seem to find it. I hope this isn't a repeat, but I fear it is. Sorry.

    Thanks all.

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    Administrator TheJ's Avatar
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    Quote Originally Posted by mykle View Post
    Hi,

    I just bought an 05 STI two weeks ago and am wondering what exactly the DCCD does and when to use it. I understand it moves the power distribution around the front and back wheels, but what percentages does it do? When the DCCD is aimed all the way at the back wheels, is 100% power going to the rear wheels, etc.?

    I tried search for the answer to this question on the forums already, but can't seem to find it. I hope this isn't a repeat, but I fear it is. Sorry.

    Thanks all.
    No.
    -The J
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    Administrator TheJ's Avatar
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    The max to the rear wheels on a 2007 is 59%. That may be a little different depending on what year you have but it will be close (I think on some years it went to 65%).
    -The J
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    "Driving most supercars is like trying to manhandle a cow up a back staircase. . . This is like smearing honey into Keira Knightly" -JC

  5. #4
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    Unless you are in a low traction situation just leave it in Auto. If you are in a low traction situation just move it to LOCK and get going. I've had to do this ONCE as I was on a nice snow/ice patch. Once I got off I put it back into AUTO and went about my way.

    Also was able to drive through a snow/ice storm with the car in AUTO maintaing a speed of 65 without missing a beat (with snow tires of course).

    AUTO mode will adjust much faster then you can by trying to turn the wheel.
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  6. #5
    Moderator YBNormal07's Avatar
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    Your owners manual provides the details on the torque split for the various DCCD modes.

    In the STi forum, there is a sticky on "DCCD explained". A bit informative but we are all still waiting for part 2 to come out...which I doubt ever will.

    Heed 302psi's advice above. Auto is your friend.
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