EPASTS_a045 — Psum Sbc Bandgap Volt Err
Full alert identifier: EPASTS_a045_psumSbcBandgapVoltErr
Alert description
This alert is reported by the PowerSupplyManager_R12 (PSUM) when there is a SBC internal failure.
Potential impact
EPAS full loss of assist.
Set condition
EPAS ECU SBC device internal voltage monitoring failure (VMON_bandgap out of tolerated limit) at startup.
Clear condition
EPAS HW failure. EPAS power cycle N times and if persists, the gear needs to be changed.
Signals to check
These diagnostic fields are associated with EPASTS_a045. 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_a045.