Conditions for Setting the DTC
B3855
- A valid ID message is not received within 5 seconds of the ROS being powered up.
- A status message is not received.
B3856
- The SDM has received a NOK message from the ROS.
- A ROS internal fault exists for a 127 ignition cycles.
B3857
Will set when the SDM has received an ID message from the ROS that does not match the ID stored in the SDM memory.