ESP_a024_WSSReverseCurrent

Reverse current at wheel speed sensor supply detected and the reverse protection switch is switched off.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

ABS (anti-lock braking system) disabled
Drive with caution

Impact

Will disable VDC/TC and degrade ABS

Description

Reverse current at wheel speed sensor supply detected and the reverse protection switch is switched off.

Cause

Backward power supply of ECU via WSS supply line is detected. One of the WSS power supply lines is shorted to Ubat.

Clear condition

Check WSS connection line for short circuits.

Models

Cybertruck, Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+

Visibility

customer, service-fix

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