BMS_f089 — SW THC MIA
Full alert identifier: BMS_f089_SW_THC_MIA
Alert description
The battery management system (BMS) reported that the thermal controller (THC) was missing (MIA) on controller area network (CAN).
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Set condition
The BMS has not received the full set of expected messages from the THC for ten times the message period.
Clear condition
The BMS receives the expected messages from the THC.
Signals to check
Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.
| Signal | Unit |
|---|---|
Active Cooling Target
BMS_
|
C |
Max Brick T
BMS_
|
C |
Passive Cooling Target
BMS_
|
C |
| Signal | Unit |
|---|---|
BM Sstate
BMS_
|
— |
TH Cmessage Tout
BMS_
|
— |
Receive Mask
BMS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_f089.