HVREX_a124 — Repeated Isolation Failure In Drive
Full alert identifier: HVREX_a124_RepeatedIsolationFailureInDrive
Alert description
High voltage isolation dropped under threshold in many drive sessions
Potential impact
Vehicle will be unable to restart
Set condition
Isolation or isolation degradation alert is set many times
Clear condition
Many drive sessions with no isolation or isolation degradation alerts
Signals to check
These diagnostic fields are associated with HVREX_a124. 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_a124.