HVREX_a123 — Isolation Failure In Drive Warning
Full alert identifier: HVREX_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 HVREX_a123. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Iso Degradation Count
HVREX_
|
— |
Isolation Alert Count
HVREX_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of HVREX_a123.