KTflash Bench ECU/TCU - Professional OBD2 Diagnostic 2025-10-29

New release thread for KTflash Bench ECU/TCU Programmer for J2534 Devices: discuss, share feedback, and get help.

KTflash Bench ECU/TCU Programmer for J2534 Devices​

Bench build — works with Scanmatik, MG1/MSD80/Delco families for read, write, clone

Quick intro
KTflash is a bench-mode ECU/TCU programming application from the ECUHELP team. It’s designed to operate through common J2534 hardware and enables reading, writing and selected service tasks on supported engine and transmission controllers without opening the unit.

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Frequently Asked Questions​

Which Windows version is recommended?
For maximum stability during ECU flashing and diagnostics, a clean installation of Windows 10 (64-bit) is recommended.
Is it compatible with J2534 PassThru?
Most modern software versions support standard J2534 interfaces like Scanmatik 2 Pro, OpenPort 2.0, and specific VCI adapters.

What's inside:

• Overview & screenshots
• Version history and compatibility
• Download link and setup notes

View full details and download — KTflash Bench ECU/TCU Programmer for J2534 Devices