BMS_a158 — SW HVP HVI Comms
Full alert identifier: BMS_a158_SW_HVP_HVI_Comms
Message shown in the car
Vehicle may not restart Service is required
Alert description
The Battery Management System (BMS) reports a communication issue with the high voltage processor (HVP).
Potential impact
Inability to charge, drive, or support the Low Voltage (LV) system
Set condition
The BMS is not receiving the expected messages from the HV system.
Clear condition
The BMS is receiving all expected messages from the HV system.
Signals to check
These diagnostic fields are associated with BMS_a158. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Contactor State Mia
BMS_
|
— |
Hvp Faults Mia
BMS_
|
— |
Shunt Current Mia
BMS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a158.