MyTeslaMate
APS family

APS_w143_espMiaPartyBus

Not Available

What does the APS_w143_espMiaPartyBus alert mean?

Autopilot Processor Secondary (APS) has not received one or more Controller Area Network (CAN) messages from Electronic Stability Program (ESP) on Party Bus.

What you'll see in your Tesla

  • Not Available

What triggers it

APS does not to receive one or more CAN messages from ESP on Party Bus.

When it clears

APS starts receiving all CAN messages from ESP.

Potential impact

Autopilot features will be disabled since APS forwards these messages to radar.

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.