EPASTP_a048 — Epm Vcp Volt Fail
Full alert identifier: EPASTP_a048_epmVcpVoltFail
Alert description
This alert is reported by the ExternalPowerManager_A8140x (EPM) component in case of under voltage on the first charge pump.
Potential impact
EPAS full loss of assist.
Set condition
EPAS ECU EPM device voltage monitoring failed (undervoltage detected on first charge pump).
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 EPASTP_a048. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Debug Info
EPASTP_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTP_a048.