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Omnitracs Knowledge Base

Roadnet Telematics LMU 4230 Release Notes

The 2021.R1 firmware release for the Roadnet Telematics 4230 device has several enhancements. 

  • Added support for higher ignition voltage detection in 24v vehicles
  • Added automatic DTC message after the ignition has been on for 5 minutes
  • Changed sleeping device heartbeat wakeup interval to 8 hours
  • Changed engine crank detection logic to better detect ignition on
  • Fixed an issue that caused the scheduled event message to sporadically fire outside of the schedule
  • Fixed excessive VBUS queries when the device is installed/wakes up while the engine is off
  • Fixed excessive CAN bus errors that could lead to the device disabling the vehicle for safety reasons
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