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Old 07-11-2012, 02:00 PM   #1
Ajschirack
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Member#: 310489
Join Date: Feb 2012
Chapter/Region: AKIC
Location: Anchorage, AK
Vehicle:
2012 WRX
Plasma Blue Pearl

Default Separate ecm for tuning?

Has anyone tried buying separate ECM to use specifically for tuning so as not to void warranty? I didn't see anything about it on here, but basically you can pop out your stock ECM and drop in your tuning one for custom tunes or AP stuff... Would a technician or SOA be able to tell that this has happened?
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Old 07-18-2012, 05:22 PM   #2
JaredV
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Bump, id also like to know.
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Old 07-18-2012, 06:27 PM   #3
Black94Snake
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Chapter/Region: NESIC
Location: RI
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2007 CGM VF'd WRX
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most people do not have the access to the resources needed to get around the immobilizer functions in the ECM.


If you are afraid of voiding your warranty, don't mod your car.
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Old 07-18-2012, 07:43 PM   #4
JaredV
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Your right on that one. Id rather leave it stock and have a warranty for now.
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Old 07-18-2012, 08:03 PM   #5
izergfx
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Theoretically... yes, if you are able to bypass the immobilizer, or make an adapter-harness to a non-immo ECU and get it working, they wouldn't have the slightest clue. Of course, this all depends on how integrated the immobilizer is.. if they integrate the immobilizer into the main wiring harness, or starter, etc.. it will not work without reverse engineering and spoofing of the immobilizer code on the new ECU.
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Old 07-18-2012, 11:57 PM   #6
JaredV
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Is there any piggyback ecu that works well with our cars?
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