SDCR_a013 — V Bkup Irrational
Full alert identifier: SDCR_a013_vBkupIrrational
Alert description
Secondary disconnect controller (SDC) HV backup rail voltage sensor is providing irrational values.
Potential impact
Pyro disconnect may not function as expected.
Set condition
HV backup rail voltage measured low while Power Good (PGOOD) hardware signal to SDC is asserted.
Clear condition
HV backup rail voltage reads within nominal / expected range.
Signals to check
These diagnostic fields are associated with SDCR_a013. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HV Backup Supply V
SDCR_
|
V |
Boost Rail V
SDCR_
|
V |
V Bat
SDCR_
|
V |
Vbkup Good Fdbk
SDCR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of SDCR_a013.