EPASTP family
EPASTP_a164_tdaBattfetjunctionTempChecker
Not Available
What does the EPASTP_a164_tdaBattfetjunctionTempChecker alert mean?
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.
What you'll see in your Tesla
- Not Available
What triggers it
EPAS application actuator temperature diagnostics detected overtemperature (battery FET).
When it clears
If the temperature is below the overtemp threshold, and its qualifier is RELIABLE for long enough.
Potential impact
EPAS full loss of assist.
Affected models
Model Y
Model Y 2025+
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