ESP_a040 — Fr RWSS Short To12 V
Full alert identifier: ESP_a040_FrRWSSShortTo12V
Message shown in the car
ABS (anti-lock braking system) disabled Drive with caution
Alert description
Short circuit of the WSS_FR sensor line to 12V.
Potential impact
Will disable VDC/TC and degrade ABS
Set condition
Short circuit of the wheel speed sensor line to + voltage.
Clear condition
Check WSS connection for short circuit and repair/replace harness or sensor
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of ESP_a040.