This alert is reported by the TemperatureDiagnostics_Actuator_R12 (TDA) component when there is a battery FET overtemperature. Degradation parameters/estimator shall be checked, if those are correct, HW failure.
<0.01% (Extremely rare)
None displayed
EPAS full loss of assist.
This alert is reported by the TemperatureDiagnostics_Actuator_R12 (TDA) component when there is a battery FET overtemperature. Degradation parameters/estimator shall be checked, if those are correct, HW failure.
EPAS application actuator temperature diagnostics detected overtemperature (battery FET).
If the temperature is below the overtemp threshold, and its qualifier is RELIABLE for long enough.
Model Y, Model Y 2025+
service-fix
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