BMS_d258 — External Isolation Fault
Full alert identifier: BMS_d258_externalIsolationFault
Alert description
The Battery Management System (BMS) has detected multiple times that the HV isolation is lower than the threshold while the pack contactors are closed.
Potential impact
Vehicle is unable to start, charge or support the low voltage system.
Set condition
The BMS detects the HV isolation value dropped below the minimum threshold when the pack contactors are closed.
Clear condition
This information is not available in the alert reference.
Diagnostic trouble code (DTC)
P2C8500
Hybrid/EV Battery Voltage External Isolation Fault
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_d258.