HVREX_a742 — Vsh Failure
Full alert identifier: HVREX_a742_VshFailure
Alert description
The battery management system (BMS) has detected a high voltage sense harness (VSH) impedance.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Set condition
The BMS detects a VSH impedance value above the threshold.
Clear condition
All bricks report VSH impedance values within the threshold.
Signals to check
These diagnostic fields are associated with HVREX_a742. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Brick ID
HVREX_
|
— |
Delta V
HVREX_
|
V |
Retry 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_a742.