EPASTS_a048_epmVcpVoltFail
EPASTS_a048_epmVcpVoltFail
Alert Information
Category
Other
Severity
critical
Live Incidence Rate
<0.01%
Models
Model Y
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.