Engine speed is one of the most frequently monitored parameters in any SAE J1939 network. Whether you are developing a dashboard, testing an engine ECU, validating telematics software, or learning how J1939 communication works, engine speed is often the first parameter engineers look at. In this post, we will explain…
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How to Develop J1939 Software Without Access to a Vehicle
By Wilfried Voss on June 17, 2026
If you are new to SAE J1939 development, you may believe that access to a truck, engine, generator, or agricultural machine is required before you can write any meaningful software. While eventually you will want to test your application on real equipment, the majority of J1939 software development can be…
SAE J1939 Development Doesn’t Have to Be Complicated: From Monitoring to Full ECU Simulation
By Wilfried Voss on June 3, 2026
If you have recently started working with SAE J1939, chances are your search history looks something like this: How do I monitor J1939 traffic? What hardware do I need for J1939 development? How do I simulate a J1939 ECU? How can I test my software without connecting to a real…



