EPASTS_a191 — Sbcscp Vcp2 Vuc Volt Fail
Full alert identifier: EPASTS_a191_sbcscpVcp2VucVoltFail
Alert description
This alert is reported by the SBCStartupCauseProvider_A8140x (SBCSCP) component in case of MCU I/O power supply (VDD_IO) monitor by SBC and under/over voltage on the second charge pump. Against power supply faults of the main microcontroller.
Potential impact
EPAS full loss of assist.
Set condition
Under or over voltage on 5V MCU and VCP2 supplies.
Clear condition
EPAS power cycle and normal voltage on 5V MCU and VCP2 supplies.
Signals to check
These diagnostic fields are associated with EPASTS_a191. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Debug Info
EPASTS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTS_a191.