APP family
APP_w058_epbMia
Not Available
What does the APP_w058_epbMia alert mean?
One or more of the messages the Autopilot electronic control unit (ECU) receives periodically from the electronic parking brake (EPB) ECU is not received, indicating the EPB 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 EPB ECU is not received, making EPB status unknown.
When it clears
The Autopilot ECU starts receiving expected messages from the EPB ECU.
Potential impact
Autopilot features may be unavailable, or may not function as expected.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2012-2020
Model S 2021+
Model X 2015-2020
Model X 2021+
Model Y
Model Y 2025+
Semitruck
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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.