ESP family
ESP_a041_FrRWSSLineInterruption
ABS (anti-lock braking system) disabled
What does the ESP_a041_FrRWSSLineInterruption alert mean?
WSS_FR line interruption (sensor or supply line).
What you'll see in your Tesla
- ABS (anti-lock braking system) disabled
- Drive with caution
What triggers it
WSS line failure (no exact failure reason detectable).
When it clears
Check connections for proper voltage/short circuits and/or replace WSS
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+
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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.