ECU flash and vin overwrite

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MongeIvan

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	ECU flash and vin overwrite « on: May 31, 2022, 09:46:07 AM »

Hello,

Sorry this my be a very noob question but when you do a full ECU flash with nefmoto software does it overwrite the VIN?
I want to replace the ecu to an engine.


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prj

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	Re: ECU flash and vin overwrite « Reply #1 on: May 31, 2022, 10:46:27 AM »

No, and you will not be able to write the ECU with nefmoto software if the immo is not authenticated.


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MongeIvan

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	Re: ECU flash and vin overwrite « Reply #2 on: May 31, 2022, 03:07:08 PM »

is there any other software tool that will do overwrite vin? something like kess?


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grayjay

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	Re: ECU flash and vin overwrite « Reply #3 on: May 31, 2022, 03:26:07 PM »

In addition to the main larger flash memory that holds all the ECU tuning tables, ECU also has a separate smaller EEPROM memory which stores some of the other configuration data such as the VIN and immobilizer.

The ME7_EEPROM tool can be used to read, make changes and (boot mode) write the EEPROM memory.
http://nefariousmotorsports.com/forum/index.php?board=42.0

If the EEPROM command line program is difficult for you to use, there is also a GUI for it bundled in the ME7 visual logger that is a bit more user friendly.


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