Protocol #
Communication between the battery and vehicle control unit (VCU) is achieved through the Communication Connector. The battery management system (BMS) receives and transmits controller area network (CAN) messages to the VCU using J1939 protocol.
- Protocol – CAN J1939
- Baud rate – 250/500kbps (default)
The list of messages and signals can be found via the below documents, in either PDF or DBC format.
> VCU-CAN-Single-Pack-Messages-and-Signals.pdf
> VCU-CAN-Multi-Pack-Messages-and-Signals.pdf
> BMS_VCU_J1939 SinglePack.dbc
> Click here to access the first step of the Communication Procedure.