need repair checksum in file

[credoline]

Hello, i need urgently to repair checksum in this file. This is from Peugeot Boxer 3.0 HDI 0 281 014 211 EDC 16C39-5A7. I have remove speed limiter with ECUSa*e and my programmer do not support repairing checksum in writing.
Can some nice person reapir checksum for me ?
File attached
Thanks

[valymad]

here is the file with checksum

[credoline]

I have succed to repair checksum with CMD BDM 1251 soft. Here is tested file with speed limiter off and checksum repaired. I am not used yours file Valymad:
For limiter off i am use ECUSa*e 2.0.