USM_a107 — BMS MIA
Full alert identifier: USM_a107_BMS_MIA
Alert description
One or more of the messages the vehicle controller receives periodically from the high voltage (HV) Battery Management System (BMS) electronic control unit (ECU) is not received, indicating the BMS ECU may be unavailable (MIA).
Potential impact
The vehicle may be unable to drive or charge.
Set condition
The vehicle controller does not receive one or more of the expected messages from the HVBMS ECU within the expected time frame.
Clear condition
The vehicle controller starts receiving the expected messages from the HVBMS ECU.
Signals to check
These diagnostic fields are associated with USM_a107. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
PT Pt Nm
USM_
|
— |
PT Soc Status
USM_
|
— |
PT Status
USM_
|
— |
PT Thermal Status
USM_
|
— |
VEH Bmb Min Max
USM_
|
— |
VEH Charge Info
USM_
|
— |
VEH Energy Status
USM_
|
— |
VEH Hvs Nm
USM_
|
— |
Show 6 more fields
| Signal | Unit |
|---|---|
VEH Pack Config
USM_
|
— |
VEH Power Available
USM_
|
— |
VEH Soc Status
USM_
|
— |
VEH Status
USM_
|
— |
VEH Thermal Status
USM_
|
— |
VEH Veh Nm
USM_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of USM_a107.