JPRO Professional truck scanner is the most comprehensive and powerful all makes, all models diagnostic tool available in the industry today. In one, easy annual subscription, JPRO provides a complete & unparalleled diagnostic service & repair solution with bi-directional functionality.
In order to detect software version in Your MX13 ECM, You can use JPRO diagnostic software method:
JPRO diagnostic software method
Connect to the truck with JPRO.
Click on Paccar MX 13 ECM (first red arrow).
The photo below is self explanatory how to get software ID, it is marked with a red square.
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