ESP family
ESP_a043_FrRWSSTooManyPulses
ABS (anti-lock braking system) disabled
What does the ESP_a043_FrRWSSTooManyPulses alert mean?
WSS_FR HET TU buffer noise (enormous amount of edges ocurred).
What you'll see in your Tesla
- ABS (anti-lock braking system) disabled
- Drive with caution
What triggers it
Signal from WSS is noisy/implausible
When it clears
Check connections for short circuit 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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