EPASTS_a007_tsmcCoreTempDiff

This alert is reported by the TemperatureSensorMCUCore_TC3x (TSMC) component when there is a MCU internal failure (temperature sensor or other failure which generates uneven heating of the MCU).

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

EPAS full loss of assist.

Description

This alert is reported by the TemperatureSensorMCUCore_TC3x (TSMC) component when there is a MCU internal failure (temperature sensor or other failure which generates uneven heating of the MCU).

Cause

EPAS uC core and power supply temperatures exceed tolerated difference.

Clear condition

Perform EPAS ECU power cycle.

Models

Model Y, Model Y 2025+

Visibility

service-fix

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