MyTeslaMate
APP family

APP_w004_accDisabled

Not Available

What does the APP_w004_accDisabled alert mean?

The Autopilot electronic control unit (ECU) has detected a condition on the vehicle which limits Traffic-Aware Cruise Control (TACC) feature availability.

What you'll see in your Tesla

  • Not Available

What triggers it

The Autopilot electronic control unit (ECU) has detected an unexpected condition or loss of communication with one or more of the required systems.

When it clears

All cameras and sensors are unblocked, correctly calibrated, and communicating with the Autopilot electronic control unit (ECU).

Potential impact

Traffic-Aware Cruise Control (TACC) will not be available.

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

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.