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Author Topic: BDM100 read / write not the same ??  (Read 3600 times)
de_Fre
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« on: January 13, 2014, 02:07:19 PM »

I've bricked my MED9.1 ECU.  (Immo Active)

Now i'm trying to use BDM100 to fix the issue.

But whenever I write something to the ECU, it constantly changes 8 bytes when I read it back straight after !

Anyone experienced the same or has any advice / explanation ?

Changes are very small (-1 , -1, 1, -1, -1, -1)

adress of the changes : 18670, 1FFEA, 1FFEE, 5B1CC, 5B238, 5B2C4

stock 2.0TFSI, BWA engine flash

Thanks for help
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matchew
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« Reply #1 on: January 13, 2014, 06:45:18 PM »

Which BDM tool?
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de_Fre
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« Reply #2 on: January 14, 2014, 09:23:24 AM »

BDM100 , but seems to be checksum / compare instructions due to corrupt EEPROM
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