EPASTS_a037_epmV5P2Fail

This alert is reported by the ExternalPowerManager_A8140x (EPM) component in case of V5P2 Undervoltage and Overvoltage.

 Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

EPAS full loss of assist.

Description

This alert is reported by the ExternalPowerManager_A8140x (EPM) component in case of V5P2 Undervoltage and Overvoltage.

Cause

EPAS ECU SBC device monitor reports failure (internal voltages) at runtime.

Clear condition

Perform EPAS ECU power cycle.

Models

Model Y, Model Y 2025+

Visibility

service-fix

Want to track your firmware alerts, trips and more?

Sign up for Tessie. Try it free for 14 days. Happiness guaranteed.