ESP_a118 — Hfc Active
Full alert identifier: ESP_a118_hfcActive
Alert description
The Electronic Stability Program (ESP) detects that the one or more of the brakes are faded, causing Hydraulic Fade Compensation (HFC) to be activated.
Potential impact
Braking performance may be reduced due to faded brakes. The ESP pump may be activated to increase the brake pressure.
Set condition
HFC is activated because all of the following conditions have been met: (1) the master cylinder pressure exceeds a certain pressure; (2) the Anti-lock Braking System (ABS) is not active; (3) the vehicle does not decelerate in time.
Clear condition
HFC is no longer active.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of ESP_a118.