This document describes the protocol Klipper uses to communicate over CAN bus. See CANBUS.md for information on configuring Klipper with CAN bus. Each micro-controller has a factory assigned unique ...
CANBUS protocol is J1939 and it is have 2 variants. J1939-11 and J1939-15. Difference is the shield. Based on these upper information for both practical and theorically, symptoms should be identified.