ESP family
ESP_a059_ReLWSSNoPulsesDetected
ABS (anti-lock braking system) disabled
What does the ESP_a059_ReLWSSNoPulsesDetected alert mean?
WSS fault due to missing wheel speed signal.
What you'll see in your Tesla
- ABS (anti-lock braking system) disabled
- Drive with caution
What triggers it
No stop pulses occurred on WSS
When it clears
Check connections 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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