by talonawd » Mon May 10, 2021 6:48 pm
I have a EDC17CP57 ECU for a sprinter. I cabled it all up to a Kess jtag clone and backed up the ECU. My tuner requested the mcp file for modding but now I can't just write the MCP(maps) alone back to the ECU. If I take the original backup and try to restore it restores fine. If I just try to restore the MCP I get an "operation not allowed". Is there something I am missing? Is there a way to patch my new MCP file into a complete backup to restore as I think this is the issue? Any guidance would be greatly appreciated.
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