Alert Details

EPASTP_a161_tdaRelayfetjunctionTempChecker

Description

This alert is reported by the TemperatureDiagnostics_Actuator_R12 (TDA) component when there is a phase relay overtemperature. Degradation parameters/estimator shall be checked, if those are correct, HW failure.

Condition

EPAS application actuator temperature diagnostics detected overtemperature (phase relay FET).

Clear Condition

If the temperature is below the overtemp threshold, and its qualifier is RELIABLE for long enough.

Potential Impact

EPAS full loss of assist.

Customer Facing Message 1

Not Available

Customer Facing Message 2

Not Available

Audiences

service-fix

Models

Model Y;Model Y 2025+