BMS_a097 — SW BMB Over CAN Communication
Full alert identifier: BMS_a097_SW_BMB_Over_CAN_Communication
Alert description
The Battery Management System (BMS) did not receive a synchronous set of battery monitoring board (BMB) data through the BMB-over-CAN interface.
Potential impact
The BMS performs BMB sensor data substitution to replace missing data from unreceived CAN frames.
Set condition
The BMS does not receive an expected CAN frame containing BMB information within the task timeout period.
Clear condition
All controller area network (CAN) frames containing BMB information are received at the expected task rate.
Signals to check
These diagnostic fields are associated with BMS_a097. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Missing Frame
BMS_
|
— |
Timeout
BMS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a097.