DIF_a092 — Bms MIA
Full alert identifier: DIF_a092_bmsMIA
Alert description
The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the high voltage (HV) battery management system (BMS) controller area network (CAN) node is missing (MIA).
Potential impact
The DI ECU is unable to monitor the state of the BMS.
Set condition
The DI ECU is not receiving the expected CAN communication from the BMS, and considers it irrational or MIA.
Clear condition
The DI ECU receives the required CAN messages from the BMS.
Signals to check
These diagnostic fields are associated with DIF_a092. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Bms Bmb Min Max
DIF_
|
— |
Bms Ctr Status
DIF_
|
— |
Bms Drive Limits
DIF_
|
— |
Bms Hv Bus Status
DIF_
|
— |
Bms Pack Config
DIF_
|
— |
Bms Power Available
DIF_
|
— |
Bms Soc Status
DIF_
|
— |
Bms Status
DIF_
|
— |
Show 3 more fields
| Signal | Unit |
|---|---|
Bms System Status
DIF_
|
— |
Bms Thermal Status
DIF_
|
— |
Bms Voltage Reg Gain
DIF_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIF_a092.