HVBATT_a111 — Hs Pyro Sf Fet Bad
Full alert identifier: HVBATT_a111_HsPyroSfFetBad
Alert description
The high side pyro SF FET is non-functional.
Potential impact
High-side pack HV will be blocked, charge and drive may be unavailable.
Set condition
The high side pyro-P voltage does not rise to within a margin of the energy reserve voltage when the SF FET is enabled.
Clear condition
The high side pyro-P voltage rises to within a margin of the energy reserve voltage when the SF FET is enabled.
Signals to check
These diagnostic fields are associated with HVBATT_a111. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Hs Pyro Sf Fet Voltage
HVBATT_
|
V |
Ls Pyro Sf Fet Er Voltage
HVBATT_
|
V |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of HVBATT_a111.