MyTeslaMate
APP family

APP_w302_vcfrontMiaPartyBus

Not Available

What does the APP_w302_vcfrontMiaPartyBus alert mean?

One or more of the messages the Autopilot electronic control unit (ECU) receives periodically from the front vehicle controller (VCFRONT) is not received on the Party bus, indicating the VCFRONT may be unavailable (MIA).

What you'll see in your Tesla

  • Not Available

What triggers it

One or more expected messages from the VCFRONT is not received on the Party bus.

When it clears

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

Potential impact

Autopilot features depending on communication with VCFRONT, such as Autowipers, 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.