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Old 10-15-2019, 08:37 AM   #1
Scooby Newbie
Member#: 501606
Join Date: May 2019
Chapter/Region: NESIC
Location: Maine
2005 Impreza WRX STi

Default DCCD Controller with a Racing Pedal Box

Hi everyone,

I have an '05 STI that I use as a race car. I haven't used power brakes in the car for a while and have been thinking about upgrading to a racing pedal box for the benefits of tuning, adjusting pedal location, and simplifying the brake system. I'm sure my original lines are looking pretty rusty at this point, too.

I would not be able to keep ABS in the change. Will I be able to keep the stock DCCD controller?

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Old 10-15-2019, 12:11 PM   #2
Turn in Concepts
Member#: 93646
Join Date: Aug 2005
Chapter/Region: MWSOC
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I am going to say no as the system is pretty deeply integrated with the ABS. I think it may be time to step up to a stand-alone control box.
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Old 10-15-2019, 02:06 PM   #3
Scooby Specialist
Member#: 182415
Join Date: Jun 2008
Chapter/Region: Tri-State
Location: New York
1999 RS
Aspen White


No the stock controller wont work, highly recommend the MAP dccd unit over any other products. I use them in my cars and have installed about a dozen, the quality is top notch and the software is fantastic to use.
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Old 10-15-2019, 02:35 PM   #4
Scooby Specialist
Member#: 375462
Join Date: Dec 2013
Chapter/Region: NWIC
Location: Portland, OR
2006 Impreza WRX STI
WR Blue


On the contrary, the stock controller will work. You need to make sure the ABS module is retained (just the electronics, not the valve block). You also need to ensure all the input sensors are incorporated into your pedal box. It's really not that difficult.

Look up the MoTeC SDC2 white paper - it walks you through the retention of the ABS electronics with images on how to remove the valve block.

This is an oversimplification, but the ABS system doesn't care in the least if you even have brake lines. All it wants to see is wheel speed inputs, for the most part.

Keeping the ABS module also allows you to retain the wheel speed input, should your standalone allow for traction control.
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