Hyundai Elantra MD/UD: Removal - Underdrive 
Brake Control Solenoid Valve(UD/B_VFS). Repair procedures - Automatic Transaxle Control System - Automatic Transaxle System - Hyundai Elantra MD 2010-2015 Service manualHyundai Elantra MD/UD: Removal

Replacing an on/off solenoid valve (SS-A, SS-B) does not require additional hydraulic pressure adjustment; however, the hydraulic pressure will need to be adjusted after replacing the VFS solenoid valve. If replacing the VFS solenoid valve; also replace the valve body assembly. (Refer to "Valve Body" in this group)

Inspection
1. Turn ignition switch OFF. 2. Disconnect the Solenoid valve connector. 3. Measure resistance between sensor ...

Overdrive Clutch Control Solenoid Valve(OD/C_VFS). Description and Operation
Description Overdrive Clutch(OD/C) Control Solenoid Valve is attached to the valve body. This variable force solenoid valve directly controls the hydraulic pressure inside the Overdrive Clut ...