APSB_w159 — Apb Critical
Full alert identifier: APSB_w159_apbCritical
Alert description
Autopilot Processor Secondary (APS) detects that the Autopilot Processor Backup (APB) is not functioning as expected, making Autopilot (AP) features unavailable.
Potential impact
AP features will be unavailable.
Set condition
APS detects the state of APB is not optimal based on watchdog state or general-purpose input/outputs (GPIOs).
Clear condition
APB is detected to be functioning as expected.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of APSB_w159.