MyTeslaMate
APP family

APP_w308_iboosterMia

Not Available

What does the APP_w308_iboosterMia alert mean?

One or more of the messages the Autopilot electronic control unit (ECU) receives periodically from the iBooster (IBST) ECU is not received on the Party bus, indicating the iBooster 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 iBooster ECU is not received on the Party bus.

When it clears

The Autopilot ECU starts receiving expected messages from the iBooster ECU on the Party bus.

Potential impact

Autopilot features such as Traffic-Aware Cruise Control (TACC) may be unavailable, or may not function as expected.

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.