J1939 Split Termination vs. Standard 120Ω: When the Extra Resistor and Capacitor Actually Save a CAN Bus

The bus went down at the worst possible moment.A customer in northern Iowa was running a 24-row planter behind a Tier 4 tractor, and right when the GPS guidance needed its tightest correction, the entire CAN network locked up. No fault codes. No damaged wires. Just a screen full of timeout errors, and an engine ECU that refused to […]