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Author Topic: Me7.0 2000 volvo s80 2.0t 5p08c3 eprom  (Read 225 times)
roedfjel
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« on: Yesterday at 01:10:08 AM »

Hi

Can anyone check this eprom attached if its ok?
I think the ecm is corrupted. So i try to read out the ecm eprom.
I allso read out the ecu with tool with dice adapter. I attached the files.
If files is corrupted is there any way to make new file that will work with a new ecu?
Volvo.bin and volvo_ram.bin is read out using dice and open source volvo tool.
Converted_output.bin is desolder read of 5p08. That i think is chip is bad.
The ecm is working with obd.

Any info or help is welcome

Tnx for any support.
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daniel2345
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« Reply #1 on: Yesterday at 07:12:16 AM »

It looks ok for tjhe first 0x100 Bytes, then you have 3 times the same 0x100 Bytes again.
Should look different for 0x100..0x3FF

Maybe you did not read it as 1k eeprom? If it is the real content and not a read error, then car might not start because of eeprom checksum issue.
Find attatched your eeprom file with correct content after 0x100 and try...


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roedfjel
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« Reply #2 on: Yesterday at 02:05:33 PM »

It looks ok for tjhe first 0x100 Bytes, then you have 3 times the same 0x100 Bytes again.
Should look different for 0x100..0x3FF

Maybe you did not read it as 1k eeprom? If it is the real content and not a read error, then car might not start because of eeprom checksum issue.
Find attatched your eeprom file with correct content after 0x100 and try...




Tnx for the file.
I Had to read it out again with a other spi reader. now my readed new file is the same as your fixed file.
I think this ecu is bad. hardwarefault. if i get a donor ecu. can i flash this donor with the files i hade in my first post? or do i only need to program the eprom in the donor ecu?
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daniel2345
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« Reply #3 on: Yesterday at 02:49:06 PM »

Good, then eeprom should be fine.

Always flash both. Volvo uses lots of different software versions on same ecu number.

Best regards

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