TESLA Alert
RADC-A049
RADC_a049_mismatchFourWheelDrive
Also written as RADC_A049 / RADC A049 / RADC_a049_mismatchFourWheelDrive / radc_a049_mismatchfourwheeldrive
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-A049 mean?
Tesla alert code in the Radar Controller (RADC) module. Received 4WD Does Not Match Learned Parameter
Original Description
Received 4WD Does Not Match Learned Parameter
Affected Tesla Models
Model SModel XModel 3Model Y
What You May Notice
- Radar Controller alert: Received 4WD Does Not Match Learned Parameter
- Camera or radar sensing notification on the touchscreen
- Autopilot or active safety feature greyed out
How to Diagnose and Resolve
- 1 Check cameras and sensors for obstructions
- 2 Reboot the vehicle
- 3 Update software via Controls > Software
- 4 Schedule service if issue persists
Severity Notes
RADC-A049 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
RADC_a001 Tesla alert code in the Radar Controller (RADC) module. Seco... RADC_a002 Tesla alert code in the Radar Controller (RADC) module. ADC ... RADC_a003 RADC_a004 RADC_a005 RADC_a006 RADC_a007 RADC_a008
View all RADC codes →