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Author Topic: Cloning my ECU  (Read 48829 times)
carlossus
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Leon Curpa Stg1+


« Reply #15 on: December 22, 2010, 07:33:55 AM »

yes, 4 digit plus leading 0. 0x32 and 0x33, swap hex bytes, so format is 3332, convert to decimal.

Ooh so it is, Thank you.
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heavy_mech
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« Reply #16 on: December 29, 2010, 07:51:35 PM »

I'm looking to do this also.  Same engne; same ECU.  I also bought a "spare" to mess around with.  I'd like to see the files.  The ECU that came with the engine supposed to have APR tune.  I'm interested to see the difference between this and the stock one I just bought.
« Last Edit: December 30, 2010, 02:47:19 PM by Tony@NefMoto » Logged
heavy_mech
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« Reply #17 on: December 31, 2010, 12:22:56 AM »

So if I'm following, you wrote the stock 3.2 files to a 2.8 ECU (the 032CS box, the same one I have), then flashed it with someones unknown tune?  Interesting.  Did you happen to check to see how similar they are internally?  It might be interesting to seek the changes between stock 3.2 and unknown tune and stock 2.8 and APR tune?  I wonder how the tunes might compare?  This is the ECU you wrote to, correct?



Thanks, Jim

So I was successful in cloning my ME7.1.1 ECU today. I used an ECU from a 2.8 litre VR6 but programmed in the entire flash and eeprom images from my original 3.2 litre ECU. The eeprom was read/written using an UPA USB programmer. The flash was written by Galletto as Tony's program seems to not like R32 ECUs.
Even with Galletto I had a "change speed" error when trying to write the flash but it was fixed when I bypassed the immobilizer. After flashing the ECU I re-enabled it.

After I verified the cloned ECU worked with the factory flash I flashed in a tuned R32 file. I am not sure who did the file but it was taken from the ECU of a crashed R32. I can't really say if its made any difference yet, the roads were wet with a little snow tonight and a tune can only offer 10 to 20 HP max.

So cloning an ECU is no problem, and can work even with slightly different part numbers if the hardware is the same.

btw, if anyone wants to take a look at the tuned file versus the stock file let me know and I'll post or PM the images.
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judeisnotobscure
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« Reply #18 on: January 29, 2011, 10:35:04 AM »

This is great. I'm looking to write an mbox file to an abox for a b5 s4. If anyone has done this with success plese chime in. Only difference i know of is the maf and esp coding, so the hardware should be the same
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judeisnotobscure
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« Reply #19 on: January 29, 2011, 10:50:47 AM »

Also I'm not sure if I put it into the car to use to tony's software will i need to recode my instrument cluster temporarily for it to boot properly before flashing.
I'm still trying to wrap my head around some of these concepts, so please excuse me if this wouldn't apply to what I'm trying to do.
*edit* I found the correct thread that covers this specifically, and it seems that you would have change the coding in eeprom to keep esp functioning, but apparently esp can be turned on and off via vag com.
« Last Edit: January 29, 2011, 11:29:30 AM by judeisnotobscure » Logged

I have a b5 s4
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Matt Danger
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« Reply #20 on: January 29, 2011, 01:33:32 PM »

You can flash an M-box file to an A-box ECU without trouble. If you have an "A-box car" (2000 6speed) then you will need to do the MAF conversion and also change the instrument cluster code with Vag Com.

The car will start and run without changing the instrument cluster code but you will get a CEL.
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judeisnotobscure
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« Reply #21 on: January 29, 2011, 02:53:00 PM »

^^^ thanks... i have a j box car(2001 tip) which had an Lbox running in it, which i'm almost done converting to a manual.  I was just more concerned with putting an a box in and having some error from my cluster being coded for m that would prevent me from flashing... you cleared that up for me though so no worries.
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eliotroyano
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« Reply #22 on: February 20, 2011, 07:25:38 PM »

As a tip if the ECUs comes from the same family (uses the same basic board, drivers, processor and connector pinout or wiring), with just copy the flash and eeprom (or adapt the ECU) you are done. I have playing with old M383 and M592 ecus and both uses the same board with only one or two drivers differences, basically CAN communications and 2nd cat O2 driver.
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eliotroyano
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« Reply #23 on: February 23, 2011, 09:28:33 PM »

yes, 4 digit plus leading 0. 0x32 and 0x33, swap hex bytes, so format is 3332, convert to decimal.
Friend sorry to ask but that method only work with ME7.5.x ECUs?
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setzi62
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« Reply #24 on: February 24, 2011, 01:52:26 AM »

yes, 4 digit plus leading 0. 0x32 and 0x33, swap hex bytes, so format is 3332, convert to decimal.
Friend sorry to ask but that method only work with ME7.5.x ECUs?
This information is stored in the same way for ME7.1 and ME7.5.
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eliotroyano
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« Reply #25 on: February 24, 2011, 07:15:25 AM »

yes, 4 digit plus leading 0. 0x32 and 0x33, swap hex bytes, so format is 3332, convert to decimal.
Friend sorry to ask but that method only work with ME7.5.x ECUs?
This information is stored in the same way for ME7.1 and ME7.5.
Ok thanks friends, I ask because I playing around with some old ECUs, M383 and M592, and I thought that pin can be found the same way.
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on3dutch
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« Reply #26 on: April 17, 2014, 12:34:17 PM »

Oh,

That's a shame but I'm not sure it's the same situation with the ME7.5. Were both EEPROM dumps the correct size?


hey i know this is an older thread, but i was wonderig if you ever got your situation solved, seeing how i have a similar problem with a secondary ecu for my rs6........any guidance would be appreciated...thanks
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ddillenger
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« Reply #27 on: May 10, 2014, 08:53:00 PM »

You can use argdubs tool to read/write the ECU in bootmode. You will have to specify the CSpin though for write.

Read the eeprom programmer sticky.
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brandnew
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« Reply #28 on: April 21, 2015, 12:48:01 AM »

I haven't opened my ECU yet, but I think of cloning it. Just for safety reasons. So the question is: will it be possible to make a clone from 8e0909518AS (going to buy) for 8e0909518AF (using) ecu?
Different product numbers means different hardware. Is it always true?
« Last Edit: April 21, 2015, 12:49:41 AM by brandnew » Logged
ddillenger
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« Reply #29 on: April 21, 2015, 12:50:15 AM »

I haven't opened my ECU yet, but I think of cloning it. Just for safety reasons. So the question is: will it be possible to make a clone from 8e0909518AS (going to buy) for 8e0909518AF (using) ecu?
Different product numbers means different hardware. Is it always true?

Those ecus are compatible.
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!

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