technic
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« Reply #135 on: April 23, 2012, 01:52:25 AM »
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RaraK, does this mean that you can take any MED9 ECU from the same car model and just use your immo off solution, keeping your original ECU untouched? Or do we need to transfer VIN and component security bytes to the new ECU?
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RaraK
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« Reply #136 on: April 23, 2012, 06:37:33 AM »
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well if you have two computers you can clone your ecu.
If not then yes you can immo off the second ecu and plug it in and go, just gotta make sure your coding is matched up.
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technic
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« Reply #137 on: April 23, 2012, 06:56:47 AM »
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so, basically the content of the eeprom in the "new" ecu is not important, given that it has been immo-off:ed? (flash+e2p).
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RaraK
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« Reply #138 on: April 23, 2012, 09:14:00 AM »
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basically yes. Though make sure coding is correct, because some stuff will be goofy. I made no coding changes in my DSG car i had and it shifted like a tiptronic! lol really slow, but still drove fine. It was coding.
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technic
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« Reply #139 on: April 23, 2012, 10:32:51 AM »
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ok, I was worried that data in the CALIB or VER block needed to be changed, but I suppose it is beeing taken care of during the driving cycle. Will need to try this  I coded AT on a manual car by mistake once. Error messages and bells was the only result  |
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Rick
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« Reply #140 on: April 24, 2012, 09:36:16 AM »
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Use a genuine MPPS and you won't have a problem.
Rick
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technic
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« Reply #142 on: April 24, 2012, 11:16:38 AM »
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Use a genuine MPPS and you won't have a problem.
Don't know if that comment was directed to me but just for the sake of it, both my MPPS and VDCS are genuine. I want to de-immo to be able to keep the stock ECU untouched and unopened. |
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Jason
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« Reply #143 on: April 24, 2012, 11:43:50 AM »
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I want to de-immo to be able to keep the stock ECU untouched and unopened.
That is my objective as well. And my VCDS is genuine as well  Also, I was unable to write the modified E2P last night, so I have to write it with a test clip and willem programmer. Not sure why the ECU doesn't like it - I have been able to successfully clone other box versions to this ECU successfully. |
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« Last Edit: April 24, 2012, 11:45:46 AM by Jason »
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RaraK
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« Reply #144 on: April 24, 2012, 12:35:13 PM »
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yea jason sometimes it takes by writing e2p by itself, sometimes you have to import it as a complete bdm read and write the complete bdm file, or you have to testclip that 95160....i dont know why. tricky sometimes, but its easy once you know you have an option |
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Jason
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« Reply #145 on: April 24, 2012, 12:42:57 PM »
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I was worried that the e2p was on the OTHER side of the ECU and I'd have to crack the board out of the housing.  I tried importing it as a complete bdm and it didn't work. I'm wondering if it's possible to easily construct a flash in a way that you just write a worker flash, boot the ECU, the worker flash writes your e2p, then you reflash the ECU again with the correct software. |
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RaraK
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« Reply #146 on: April 25, 2012, 07:36:21 AM »
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go for it  disassemble and assemble some mpc56x PPC code? Im working on some of this to add some functions for med9, however i dont find a assembler for this yet. I will figure it out when i actually desire to do this fully, just a through in my head for now. |
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technic
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« Reply #147 on: May 03, 2012, 12:52:48 AM »
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RaraK, what disassembler do you use?
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RaraK
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« Reply #148 on: May 03, 2012, 05:16:22 AM »
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well i only looked into this briefly, i am so busy with everything in life right now its kind of on the backburner until things settle.
but.....IDA
Its a PPC cup so you can use that, i dont know exactly for sure if its going to be proper though for these cpu's, i need to go through some of the assembly documentation, and disassemble with IDA and see if it appears to make sense/be the proper method. follow me?
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technic
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« Reply #149 on: May 05, 2012, 08:14:59 AM »
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I follow you for sure I started looking into that on MED9, tested different (free) disassemblers and also IDA. But the problem is to find the correct memory map... any info would be much appreciated |
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