Solve KT200 Software Update Failure Problem

When you open KT200 ECU programmer software and prompt you to update the version with the words ‘New version found, start updating’, after clicking OK, there is no response, and cannot update the new version automatically, just download and install the driver/patch by engineer provided in this post, and the problem will be resolved soon.


Method 1: Free download KT200 V2022.10.01 software (new):

Size: 910.5 MB

Note: the software version is the same as before, but the factory has fixed the bug that software flash and not open problem.


Important tips to install KT200 software:

DO NOT connect KT200 ECU programmer, go to run renew driver64.exe directly
Connect KT200 and computer via USB cable, then run exe

Note: Don’t disconnect USB during the process

Install exe, then run KT200.exe


Method 2: Free download the latest KT200 patch and dfb2xx.ll

Size: 40.4MB


Installation steps:

Unzip the files downloaded

Load and install the Patch SP20221024 (1)

Click install, then all select YES

Copy dfb2xx.dll to replace the specified folder file

Copy and paste dfb2xx.dll to C:/KT200-master/DFBTech_Driver/i386 folder

For the 32 bit system: copy and paste dfb2xx.dll to C:/Windows/System32 folder

For the 64 bit system: copy the dfb2xx.dll file to C:/Windows/SysWOW64 folder

Alright, KT200 software update process is done by the two methods above, and the new version software can be used normally.



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