BMS_a152 — Isolation In Dc Charge
Full alert identifier: BMS_a152_Isolation_In_Dc_Charge
Alert description
The Battery Management System (BMS) detects low isolation while DC charging
Potential impact
The vehicle will not charge until the charge cable is removed and the alert is cleared
Set condition
The BMS detects that isolation resistance on the high voltage (HV) bus has fallen below the acceptable threshold while the vehicle is DC charging
Clear condition
The BMS detects that isolation while contactors are closed is above the minimum acceptable 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 |
|---|---|
Active Side V No R
BMS_
|
V |
Active Side V With R
BMS_
|
V |
Iso R
BMS_
|
kOhm |
Passive Side V No R
BMS_
|
V |
Passive Side V With R
BMS_
|
V |
| Signal | Unit |
|---|---|
Mode
BMS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a152.