Because there are so many trucks on the roads, it is highly recommended that you test for yourself to see if the unit can cover all your needs.
No scan tool can cover all trucks unfortunately but this will certainly cover a few.
To test the software for your coverage needs, please follow the below steps:
Download the T1 Software for Windows from the below address:
When you install the software you will be asked for login details to download any manufacturer software. Please use the details below:
Go into the settings and under Run mode choose 'demo' then you can have a good play around