DTC C2240-77: Unknown Actuator State: General Description
The Electronic Parking Brake (EPB) switch can apply the parking brake instead of using pedal or lever.
Operate the EPB switch ↔ switch signal to EPB module ↔ EPB module activate actuator ↔ parking brake apply/release. When EPB switch is pulled, parking brake gets applied. When EPB switch is pushed down, parking brake is released.