KT300 ECU Checksum Service, update for KT200 ECU Programmer, can fix the  automatic checksum bugs for multiple ECUs i.e Bosch EDC16 / EDC17/ MED17, as well as the ECU from Denso, Delco, Siemens etc. 

Download KT300 ECU Checksum Service.

How to use KT300?
1.Connect the KT200 to your computer;
2.Place the KT300 software on the desktop.
Note: there's no installation required.

Look at the following images shows some ECU models checksum calculation will be automatically done by KT200 ECU Programmer.