One customer wondered why his PCMtuner V1.27 module 71 bench mode still won’t work and he had changed the transistors as guides.
Here is a Possible Solution:
Go to “Settings” on PCMtuner 1.27 Program.
Disable “Use other GPT outputs pins with PCMtuner hardware”.
This GPT option only works on Original Scanmatik as that has 2 extra GTP in case the first 2 fail.
Hope this could help!
Shared by João Sousa