APP_w053_radcCommIssue

The Autopilot electronic control unit (ECU) detects a condition affecting radar ECU communication.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

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

Description

The Autopilot electronic control unit (ECU) detects a condition affecting radar ECU communication.

Cause

The Autopilot ECU sets this alert when the radar ECU reports missing Controller Area Network (CAN) messages or invalid values of CAN messages. Alert log signal data should provide information on the specific messages affected and condition(s) detected.

Clear condition

Depending on set condition, this alert should clear once the radar ECU's internal checks pass, indicating no further communication issues.

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

Visibility

service

Want to track your firmware alerts, trips and more?

Sign up for Tessie. Try it free for 14 days. Happiness guaranteed.