It has been a while since we released new functionality for the JCOM1939 Monitor software for Windows, but recent customer feedback inspired several improvements that make the software even more valuable during development, troubleshooting, and diagnostics. The latest update introduces two important features: Display of the CAN Bus network condition,…
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Testing CAN Bus Devices by Simulating Real-World Network Failures
By Wilfried Voss on July 23, 2026
Designing a CAN Bus device that performs well under ideal conditions is relatively straightforward. The real challenge begins when the network no longer behaves as expected. In the field, connectors loosen, ECUs lose power, messages are delayed, wiring deteriorates, and configuration errors inevitably occur. A robust CAN device must continue…


