DIR_a092 — Bms MIA
Full alert identifier: DIR_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 DIR_a092. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Bms Bmb Min Max
DIR_
|
— |
Bms Ctr Status
DIR_
|
— |
Bms Drive Limits
DIR_
|
— |
Bms Hv Bus Status
DIR_
|
— |
Bms Pack Config
DIR_
|
— |
Bms Power Available
DIR_
|
— |
Bms Soc Status
DIR_
|
— |
Bms Status
DIR_
|
— |
Show 3 more fields
| Signal | Unit |
|---|---|
Bms System Status
DIR_
|
— |
Bms Thermal Status
DIR_
|
— |
Bms Voltage Reg Gain
DIR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIR_a092.