BMS_a099 — SW BMB Communication

Full alert identifier: BMS_a099_SW_BMB_Communication

Alert description

The Battery Management System (BMS) cannot communicate with all of the battery monitoring boards (BMBs).

This alert is primarily informational, and may indicate a loss of BMB sensor data

A communication issue with the BMB daisy chain is detected.

No communication issues with the BMB daisy chain have been detected.

These diagnostic fields are associated with BMS_a099. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Alert From Hvp `BMS_a099_alertFromHvp`	—
Bmb Chain Break Type `BMS_a099_bmbChainBreakType` 0 NONE 1 SINGLE BREAK 2 DOUBLE BREAK 3 INVALID BREAK 4 HEAD BREAK 5 TAIL BREAK	—
Bmb Comm Status Type A `BMS_a099_bmbCommStatusTypeA` 0 MISSING 1 BAD 2 NOMINAL 3 BYPASSED	—
Bmb Comm Status Type B `BMS_a099_bmbCommStatusTypeB` 0 MISSING 1 BAD 2 NOMINAL 3 BYPASSED	—
Break Location A `BMS_a099_breakLocationA`	—
Break Location B `BMS_a099_breakLocationB`	—

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a099.