ESP family
ESP_a052_FrRWSSGeneralFault
ABS (anti-lock braking system) disabled
What does the ESP_a052_FrRWSSGeneralFault alert mean?
Right Front Wheel Speed Sensor Generic Fault.
What you'll see in your Tesla
- ABS (anti-lock braking system) disabled
- Drive with caution
What triggers it
WSS test failure of WSS_FR (Short circuit supply line to UBATT short circuits between sensors any line failure)
When it clears
Check WSS connection for short circuit and repair/replace harness or sensor
Potential impact
Will disable VDC/TC and degrade ABS
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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.