Hyundai Genesis: Automatic Transmission Control System / Underdrive Brake Control Solenoid Valve(UD/B_VFS) Description and Operation
UD Clutch control solenoid valve is attached to the valve
body. This variable force solenoid valve directly controls the hydraulic
pressure inside the UD Clutch.

Inspection
1.
Turn ignition switch OFF.
2.
Disconnect the E Module connector.
3.
Measure resistance between solenoid valve terminals.
4.
Check that the resistance is within the spec ...
Specifications
Direct control VFS[UD/C]
? Control type : Normal low type
Control Pressure kpa (kgf/cm?, psi)0~1569.06 (0~16,0~227.57)Current value(mA)0~1100 Internal resistance ...
Other information:
Removal
•
Put on gloves to prevent hand injuries.
•
Use seat covers to avoid damaging any surfaces.
1.
Remove the roof side molding.
(Refer to Body Side Moldings - "Roof Side Molding")
2.
Remove the front pillar trim.
(Refer ...
To open:
1. Make sure the shift lever is in P
(Park).
2. Then do one of the following :
- Press the Smart Key Trunk
Unlock button for more than one
second.
- Press the button on the trunk
itself with the Smart Key in your
possession.
- Use the mechanical key.
- Use the trunk re ...