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Old 06-17-2006, 01:20 AM   #1
orpyak
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Exclamation How to clone 2005+ ECU's with immobilizer code?

Is it at all possible to clone an ECU to another used ECU on the 2005+ WRX's with the immobilizer code? I would like to be able to do this as backup insurance so I can shelve the original ECU and reflash a used clone of the original in my car.

It seems like there should be a way to reflash nvram or eprom's on the ecu itself. Has anyone done this and if so do they have a general method or procedure to share?

Thanks
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Old 06-17-2006, 06:15 PM   #2
Jon [in CT]
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Currently, only the Subaru Select Monitor can register the ECU as part of the immobilizer system.
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Old 06-17-2006, 06:46 PM   #3
orpyak
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Thanks but what is the Subaru Select Monitor?
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Old 06-17-2006, 07:45 PM   #4
teiva-boy
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Quote:
Originally Posted by orpyak
Thanks but what is the Subaru Select Monitor?

A Dealer only tool.
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Old 06-17-2006, 10:49 PM   #5
orpyak
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Googling came up with this link:

http://techinfo.subaru.com/html/specialToolInfo.jsp

Reading this it looks like the Subaru Select tool can be purchased but the add-on module for ecu re-initilization cannot.

And if the dealers have this tool with this module could or would they perform this procedure for an owner of a vehicle that would like to back up their ECU. This reinitilization wouldn't be a clone of the factory ECU, but it seems like it would be viable if the procured used ecu were stock.

Part description:

82AA290 Select Monitor II Immobilizer Cartridge Dealer tool only. See question #3, below

Relevant faq text below:---------------

3) Does Subaru offer a procedure for ECU (Electronic Control Unit) Re-initialization on Subaru vehicles equipped with an engine immobilizer?

Subaru does not use an engine immobilizer on models earlier than 2005, but makes use of a security alarm system. Subaru uses an engine immobilizer for some 2005 model vehicles and later.

Subaru dealers use an immobilizer cartridge inserted in the New Select Monitor to perform ECU re-initialization for ECUs replaced in a limited number of 2005 and 2006 vehicles equipped with an engine immobilizer. This cartridge has not been made available for purchase through Kent-Moore due the additional proprietary information capabilities beyond ECU re-initialization, as well as to not jeopardize the intent of the OEM anti-theft system.

According to 40 CFR 86.1808-01 (6)(ii)(G), the manufacturer of Subaru vehicles, Fuji Heavy Industries, Ltd. (FHI), released our ECU re-initialization information to the Equipment and Tool Institute (ETI) as well as to Blue Streak Electronics (BSE) through Hitachi, in order to fulfill the intent of EPA/CARB service information regulations. BSE is evaluating their business plan to include this functionality into their ASIAN software cartridge, which is projected to be available mid-2006.
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Old 06-18-2006, 12:02 AM   #6
orpyak
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Has anyone cracked the case on the ECUs, or is there a diagram?

I wonder if there are socketed nvram/eeprom chips inside.

I'm curious as to wether it's possible to clone all data from a new source ECU to a used destination ECU by doing a complete reflashing. I'm thinking that his would occur at a lower level than where the subaru select tool operates.

I was thinking that this way an allready registered ecu can be cloned.
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Old 06-18-2006, 01:26 PM   #7
bofh
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Old 06-18-2006, 02:15 PM   #8
JoshP
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Quote:
Originally Posted by teiva-boy
A Dealer only tool.
you can find them on ebay sometimes
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Old 06-18-2006, 04:40 PM   #9
orpyak
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Thanks for the referral to openecu.org .

I just created an account there.
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Old 06-18-2006, 05:07 PM   #10
Jon [in CT]
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Quote:
Originally Posted by tzedek
you can find them on ebay sometimes
But I'll bet you won't see the immobilizer cartridge (24082AA290) on eBay, which is also essential.
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Old 09-13-2020, 07:07 AM   #11
airlia101
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More than a decade later... there's finally something to add to this thread!
A user on the SubaruOutback forums has done some work on DIY ECU/VIN/Key pairing, for the 2005-2009 generation of Legacy and Outback.

https://www.subaruoutback.org/thread...models.501753/

He's managed to clone an ECU and speedo/cluster from a donor car into his XT, and has just lately reported he can read keys. Last news, he was working on figuring out the whole immobilizer handshake.

Yes, this is for the Legacy/Outback. Someone who's worked inside the WRX ECU would need to chime in as to how similar they are... but, I imagine the general concept (find the EEPROM memory with the VIN and keys, read from the donor, write to the replacement) could carry over.
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Old 09-16-2020, 03:05 PM   #12
benflynn
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Iíve cloned them desolderimg the eprom, reading it and writing another chip so both ecu work. I canít read write while on board so I have to desoldered them. U can transfer the chip also to a new ecu if yours os damaged
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