BMS_a027 — SW Repeated Isolation Failure In Drive
Full alert identifier: BMS_a027_SW_Repeated_Isolation_Failure_In_Drive
Message shown in the car
Power limited - OK to drive Vehicle may not restart after this drive
Alert description
High voltage isolation dropped under threshold in many drive sessions
Potential impact
Vehicle will be unable to restart
Set condition
Isolation alert is set many times
Clear condition
Many drive sessions with no isolation alerts
Signals to check
These diagnostic fields are associated with BMS_a027. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Sw Isolation Count
BMS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a027.