MyTeslaMate
APP family

APP_w064_epasMia

Not Available

What does the APP_w064_epasMia alert mean?

One or more of the messages the Autopilot electronic control unit (ECU) receives periodically from the electronic power assisted steering (EPAS) ECU is not received, indicating the EPAS ECU may be unavailable (MIA).

What you'll see in your Tesla

  • Not Available

What triggers it

One or more of the expected messages from the EPAS ECU is not received. Alert log signal data should provide more information on specific message(s) missing.

When it clears

The Autopilot ECU starts receiving expected messages from the EPAS ECU.

Potential impact

Autopilot features are unavailable

Affected models

Cybertruck Model 3 2017-2023 Model 3 2024+ Model S 2021+ Model X 2021+ Model Y Model Y 2025+ Semitruck

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.