ECUHELP KTFLASH is confirmed to work with Delphi MT22U, perform reading, writing, DTC OFF, and IMMO OFF on Bench.

Tools to use:
KTflash software dongle
One J2534 Interface
One computer with Windows 10 or Windows 11 (64-bit recommended)
Note: Antivirus software/Firewall must be disabled during installation

Simple procedure:
1. Download and install the software, activate the KTflash Dongle License
For the step-by-step procedure, please browse
https://www.ecuhelpshop.com/product-technical/how-to-use-ecuhelp-ktflash-dongle.html

2. Follow the wiring diagram to connect the J2534 Interface, the ECU, and the computer.

3. Start Programming
Click “Identify” to detect the ECU chip.
Read and write EPROM file — the software will prompt where to save the file.
Proceed to read and write flash files.

Video Demo:

With the right setup, KTFLASH makes Delphi MT22U ECU modification and repair fast and reliable.

For more KTFLASH usage tips and support, visit ECUHELPShop.com.