urgent issue with checksum error

[kospoz]

hi first time i have this problem with edc17c64.car came with dpf off from another store and want to erase 2 faults p13d5 p13d6.i did dtc off and after when tried to write back ktag genuine said checksum error.i have set the original file for comparison.also tried checksum with winols but same issue.can someone help with this?

[kospoz]

can i put original file with ktag from server alientech?
here is the numbers
HW 04L907309E
SW 04L906021FD 6544
EDC17 CB.06.07.01 C50.00
TMBJG9NE3F0060887

[Junkyard Dog]

car start after read with ktag? how much V and A you use for read?

[kospoz]

yes starting everything ok i use the plug from suitcase alientech.
I am thinking maybe the previous which did dpf off make correct checksum with another tool and now ktag can not do it
can this happen?