TESLA Alert

RADC-A039

RADC_a039_vehicleStateMIA

Also written as RADC_A039 / RADC A039 / RADC_a039_vehicleStateMIA / radc_a039_vehiclestatemia

System
RADC
Radar Controller
Type
Alert
Category
ADAS
Severity
Alert

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-A039 mean?

Tesla alert code in the Radar Controller (RADC) module. Unexpected HW Reset

Original Description

Unexpected HW Reset

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • Radar Controller alert: Unexpected HW Reset
  • 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-A039 is an Alert in the Radar Controller system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.

Other RADC Codes

View all RADC codes →