MyTeslaMate
EPASTS family

EPASTS_a166_tdaPhasecurrentshuntTempChecker

Not Available

What does the EPASTS_a166_tdaPhasecurrentshuntTempChecker alert mean?

This alert is reported by the TemperatureDiagnostics_Actuator_R12 (TDA) component when there is a phase current shunt temperature higher than limit or not available

What you'll see in your Tesla

  • Not Available

What triggers it

EPAS application actuator temperature diagnostics detected overtemperature (phase current shunt).

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+

Track your Tesla's alerts automatically

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.