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Old 10-18-2020, 07:02 PM   #1
cramen425
Scooby Newbie
 
Member#: 294964
Join Date: Sep 2011
Chapter/Region: Tri-State
Location: BUTLER, PENNSYLVANIA
Vehicle:
2005 STi
Black

Default DCCD Pro/ DCCD 05 STi

Hey Gang, I picked up a 2005 STi and Have been chasing my tail on an airbag light issue. Noticed my Center Diff Controller knob doesn't do anything. Since I have the interior virtually gutted at this point, I found a module wired in "DCCDPRO.COM" is on a paper sticker on it. It runs to that knob. Searched that site and It looks like its a factory option type scenario but I did not have one of these in my 06 Sti. Can I eliminate this thing and still have a functional DCCD controller or is there something I should be doing differently? Tested the tumble switch, its working, tested the on/auto switch and it also works. I have Codes in the system for abs (all four wheel speeds implausible data.) What is this thing and why is it in this car?
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Old 10-19-2020, 07:39 AM   #2
snow_bound26
Scooby Specialist
 
Member#: 395793
Join Date: Jul 2014
Chapter/Region: Tri-State
Location: SLC and Lake Placid
Vehicle:
2005 92x Aero
Beige

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Should probably post this in the transmission forum for quicker replies.

But that's an aftermarket DCCD controller. DCCDpro makes good products and is well known. If it's hooked up properly then most everyone would recommend it over the OEM unit as it's more predictable and has superior logic programmed into it. I would contact them and ask for info on how to figure out which model you have and then make sure you have everything to make it function properly.
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Old 10-19-2020, 09:28 AM   #3
BlackFighter
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Member#: 193940
Join Date: Nov 2008
Location: Philly
Vehicle:
2004 WRX STI Black
RalliSpec Shortblock

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I had that issue all the time in my 04 STi. Check the airbag yellow color (I think) connector under the front seats. I had to zip tie mine to stay connected. The loss connection overtime and that's what causes the airbag light on your dash.

Last edited by BlackFighter; 10-19-2020 at 03:18 PM.
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Old 10-19-2020, 12:58 PM   #4
cramen425
Scooby Newbie
 
Member#: 294964
Join Date: Sep 2011
Chapter/Region: Tri-State
Location: BUTLER, PENNSYLVANIA
Vehicle:
2005 STi
Black

Default

As for the airbag light, that's a whole separate issue, vehicles doesnt even communicate with the module.

The DCCD, I am communicating with DCCDPro to try and figure some stuff out with that. Should I not have the factory DCCD module plugged in if the pro is running the logic?
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