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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

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With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_d258.

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