MyTeslaMate
EGGRIGHT3 family

EGGRIGHT3_a460_hardIsentropicTdFailed

Not Available

What does the EGGRIGHT3_a460_hardIsentropicTdFailed alert mean?

The vehicle controller detects the isentropic check for the refrigerant discharge temperature (TD) is unsuccessful, indicating the A/C compressor mass flow rate is below the expected level.

What you'll see in your Tesla

  • Not Available

What triggers it

The isentropic check for the TD is unsuccessful.

When it clears

Clears automatically when vehicle is asleep.

Potential impact

Cabin climate control system air conditioning and heating may be limited or unavailable. Battery heating and cooling performance may be limited.

Affected models

Cybertruck

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.