Audi A3 8P 2.0Fsi MED9.5.10 - checksum error need help with calculate

[LucasDChaos]

Hello. Audi A3 8P 2.0 Fsi, customer had nox and lambda off done by tuner 2 years ago. Now ecu throw p0601 - 001 checkssum error. Can someone help me with this file? I dont want to put org. file and have problem with no2 and lambda. Thank you.

06f 906 056 S
HW 0261S02014

[wjgud123]

Here your file

Checksums corrected

No pass on archive.

Thx+Rep welcome

[LucasDChaos]

wjgud123 (https://www.digital-kaos.co.uk/forums/member.php/742330-wjgud123) Can't write your file with kess "checksum error".

[wjgud123]

Don't allow Kess to correct checksums.

As you want, checksums are manually corrected.

Other option can be that it's your tool problem.. you use clone kess I assume?

[Sardinio7]

Hey guys I have a similar issue how can I contact you to ask you about this?