HVREX_a101 — Pyro Passively Deployed
Full alert identifier: HVREX_a101_PyroPassivelyDeployed
Alert description
The Range Extender Battery Management System (BMS) or High Voltage Controller (HVCON) detects the pyro was deployed by the passive pyro circuit.
Potential impact
The High Voltage (HV) pack may be blocked, which will prevent the vehicle from driving or charging.
Set condition
The passive pyro circuit deploys the pyro.
Clear condition
The pyro resistance test passes.
Signals to check
These diagnostic fields are associated with HVREX_a101. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Last Current Sample Before Pyro Deploy
HVREX_
|
A |
Last Passive Current Sample Before Pyro Deploy
HVREX_
|
A |
Last Passive Reference Voltage Sample Before Pyro Deploy
HVREX_
|
V |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of HVREX_a101.