BMS_w162 — SW FC Prechg Too Slow
Full alert identifier: BMS_w162_SW_FC_Prechg_Too_Slow
Message shown in the car
Unable to DC Fast Charge / Supercharge Disconnect and retry
Alert description
The battery management system (BMS) has detected that precharge was too slow to allow fast charge (FC).
Potential impact
The vehicle cannot DC FC.
Set condition
The BMS detects that the voltage on the DC link bus is rising slower than it should be.
Clear condition
The BMS detects that the condition clears.
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 |
|---|---|
Coil Current
BMS_
|
A |
Dc Link V
BMS_
|
V |
Hvil V
BMS_
|
V |
Precharge Current
BMS_
|
A |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_w162.