ESP family
ESP_a018_WSSSignFrontAxle
ABS (anti-lock braking system) disabled
What does the ESP_a018_WSSSignFrontAxle alert mean?
Wheel Speed Sensor swapped front axle
What you'll see in your Tesla
- ABS (anti-lock braking system) disabled
- Drive with caution
What triggers it
Front wheel speed sensors are on opposite wheels on the front axle
When it clears
Fix WSS mounting alignment and power cycle
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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