ESP_a024 — WSS Reverse Current
Full alert identifier: ESP_a024_WSSReverseCurrent
Message shown in the car
ABS (anti-lock braking system) disabled Drive with caution
Alert description
Reverse current at wheel speed sensor supply detected and the reverse protection switch is switched off.
Potential impact
Will disable VDC/TC and degrade ABS
Set condition
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.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of ESP_a024.