MyTeslaMate
EPASTP family

EPASTP_a135_tmpsfetjCalculationOverflowErr

Not Available

What does the EPASTP_a135_tmpsfetjCalculationOverflowErr alert mean?

This alert is reported by the TemperatureModelPSFETJunction (TMPSFETJ) components when checking overflow of possible values of estimated temperatures. Possible values are calculated according to defined data constraints.

What you'll see in your Tesla

  • Not Available

What triggers it

Overflow of possible values of estimated temperatures.

When it clears

EPAS power cycle.

Potential impact

EPAS uses not reliable estimations for temperature.

Affected models

Model Y Model Y 2025+

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Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.