The DBC indicator will illuminate when the DBC button is pressed and the system is on.
When driving down a steep hill at a speed under 35 km/h (22 mph), the DBC will operate and the DBC indicator will blink to indicate the DBC is operating.
If the red indicator illuminates, the DBC system may have malfunctioned. Take your vehicle to an authorized Kia dealer and have the system checked.
Underdrive Brake Control Solenoid Valve(UD/B_VFS): Description and Operation
Description
Underdrive brake control solenoid valve(UD/B) is attached to
the valve body. This variable force solenoid valve directly controls the
hydraulic pressure inside the underdrive brake. ...
Telemetics Unit (TMU): Components and Components Location
Component
Connector Pin Specification
No.Pin NameTypeFromToDescription (Wiring Spec.)1GNDDC GroundTMUBatteryConnected to battery ground2GNDDC GroundTMUBatteryConnected to battery ground3-----4-- ...