TESLA Warning

RADC-W001

RADC_w001_can1BusOff

Also written as RADC_W001 / RADC W001 / RADC_w001_can1BusOff / radc_w001_can1busoff

System
RADC
Radar Controller
Type
Warning
Category
ADAS
Severity
Warning

Why does the exact Tesla alert ID matter?

Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.

What does RADC-W001 mean?

Tesla warning code in the Radar Controller (RADC) module. The radar module reports an error with the secondary controller area network (CAN) bus. Too many CAN errors were detected, and the CAN transceiver was switched off.

Original Description

The radar module reports an error with the secondary controller area network (CAN) bus. Too many CAN errors were detected, and the CAN transceiver was switched off.

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • Radar Controller alert: The radar module reports an error with the secondary controller area network (CAN) bus. Too many CAN errors were detecte
  • Camera or radar sensing notification on the touchscreen
  • Autopilot or active safety feature greyed out

How to Diagnose and Resolve

  1. 1 Check cameras and sensors for obstructions
  2. 2 Reboot the vehicle
  3. 3 Update software via Controls > Software
  4. 4 Schedule service if issue persists

Severity Notes

RADC-W001 is a Warning in the Radar Controller system. Schedule service soon. Monitor your vehicle for additional warnings.

Other RADC Codes

View all RADC codes →