Joukey Gm Checksum Plugin -

For minor alterations restricted solely to fuel or ignition target maps, ensure your tool definitions rely entirely on standard, baseline TunerPro 16-bit 2's complement parameters. The Joukey extension should be reserved specifically for custom OS patches or code-level modifications.

: Copy the GM-P01-P59-checksum-plugin.dll into your TunerPro installation directory, typically located at Documents\TunerPro Files\Plugins . joukey gm checksum plugin

Load it in your emulator. The warning is gone. Saving works. You can even write it to a flash cart for play on real hardware. For minor alterations restricted solely to fuel or