MyTeslaMate
APP family

APP_w051_radcEcuIssue

Not Available

What does the APP_w051_radcEcuIssue alert mean?

The Autopilot electronic control unit (ECU) sets this alert when the radar ECU reports a condition affecting performance, which may include an internal issue, configuration mismatch, or battery over-voltage condition.

What you'll see in your Tesla

  • Not Available

What triggers it

The Autopilot ECU detects a condition affecting radar ECU performance. Alert log signal data should provide information on the specific condition(s) detected.

When it clears

The Autopilot ECU no longer detects a condition affecting radar ECU performance.

Potential impact

Traffic-Aware Cruise Control (TACC) is unavailable. Other Autopilot features may be limited or unavailable.

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.