DTC U1006-00: Lost Communication With Battery Energy Control Module 'A' (H-CAN): General Description
WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
CAN communication is to share information for efficient control, and signals are broadcast in both direction, and it is a multi-master principle. The terminating resisters (BMS, ECM) could be 120Ω;.