Checksum new e92, e98 etc

I need to fix the checksum of a GM E92, I'm trying to load a modified file with removed dtc's, but my tool doesn't calculate the checksum on this ecu, can someone help me please, of course I'm not looking for something free, tell me internally how much you charge me for that solution. Thank you very much

Here is the original Flash file and the modified one.

Hello, attached your file with checksum fixed.

Pass in your PM after rep+thx

Thank you so much