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Author Topic: A4 B5 1.8T 8D0 907 557 T M3.8.2  (Read 2688 times)
usuarionuevo
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« on: December 09, 2020, 08:53:15 AM »

Hello guys. I have some questions about the ECU.
I have read a lot about the ecu 3.8.2 but several things are not clear to me ... what if I am clear is that you have to put a socket, which I already have. but how do I read the chip and the second how do I write the new map on a blank chip. what is the process? do you have to do it in the bank, via obd? These 2 queries are not clear to me. Please someone help me. a hug.
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gremlin
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« Reply #1 on: December 09, 2020, 09:38:22 AM »

No possibility to read or write through OBD.
To read old (no need - can find ori dump in the net) and write new chip use external programmer which is able to work with 27C1024 eprom chips in PLCC44 package.  
Like this one as example.
« Last Edit: December 09, 2020, 09:44:54 AM by gremlin » Logged
usuarionuevo
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« Reply #2 on: December 09, 2020, 10:26:09 AM »

No possibility to read or write through OBD.
To read old (no need - can find ori dump in the net) and write new chip use external programmer which is able to work with 27C1024 eprom chips in PLCC44 package. 
Like this one as example.
I have kess v2, can i do it external in bench with it? I use M28F102
« Last Edit: December 09, 2020, 10:31:47 AM by usuarionuevo » Logged
gremlin
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« Reply #3 on: December 09, 2020, 11:46:01 AM »

I have kess v2, can i do it external in bench with it? I use M28F102

No.
For all chip types (27c1024/27c210/27F102/AT29c1024)
the only possibility is external programmer.
« Last Edit: December 09, 2020, 11:54:49 AM by gremlin » Logged
usuarionuevo
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« Reply #4 on: December 09, 2020, 01:17:30 PM »

No.
For all chip types (27c1024/27c210/27F102/AT29c1024)
the only possibility is external programmer.

What you think is more good.. Change the 8D0907557 ecu for 06A906018 and try inmo off and tume it with kess ooor buy the external reprogrammer and keep the chips style??
« Last Edit: December 09, 2020, 01:55:59 PM by usuarionuevo » Logged
usuarionuevo
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« Reply #5 on: December 10, 2020, 06:34:31 AM »

any suggestion ??
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