BMS_a051 — SW HVC Vref Bad
Full alert identifier: BMS_a051_SW_HVC_Vref_Bad
Alert description
The Battery Management System (BMS) detects that one or more High Voltage Controller (HVC) voltage references is out of bounds.
Potential impact
The vehicle may report inaccurate voltage measurements leading to alerts from the HV system.
Set condition
There is a significant difference between the BMS and High Voltage Processor (HVP) voltage reference readings.
Clear condition
The difference between the BMS and HVP voltage readings are below the maximum threshold.
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 |
|---|---|
Bms 3 V 0 Ref
BMS_
|
V |
Hvp 1 V 5 Ref
BMS_
|
V |
Hvp 3 V 0 Ref
BMS_
|
V |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a051.