hi friends

this car not accept any mod, if i change only one single, engine start and cut off with no way to diag engine ...

first i doubt about checksum so i change tool to write mod file but same result

have you any idea to solve it ?
i not understand why

here original file flash

https://file.io/ItJkDVGVqZFh

Which tools you use for.

I use flex and autotuner

and same result so i doubt about error checksum because both tools with same error is strange

Did you use vr read? or bench, bsl?