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HVBATT_a123 — Isolation Failure In Drive Warning

Full alert identifier: HVBATT_a123_IsolationFailureInDriveWarning

Alert description

The BMS has detected isolation failure conditions in several drive sessions

Potential impact

Vehicle may be unable to restart

Set condition

Isolation or isolation degradation alert is set in several drive sessions

Clear condition

SW_Repeated_Isolation_Failure_In_Drive is set OR several drive cycles with no isolation or iso degradation alerts

Signals to check

These diagnostic fields are associated with HVBATT_a123. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Iso Degradation Count HVBATT_a123_isoDegradationCount —
Isolation Alert Count HVBATT_a123_isolationAlertCount —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of HVBATT_a123.

Browse all HVBATT alert codes