Product OEM Code: 

0BH 927 327 / 0BH927327

The Pressure Control Valve (N436 / N440) used in DQ500 (0BH) DSG transmissions is a critical component responsible for precise regulation of hydraulic oil pressure within the transmission system. Controlled by the mechatronic unit, this valve adjusts hydraulic pressure to ensure optimal operation of the clutch packs and smooth, accurate gear shifts. Proper pressure control improves shifting comfort, reduces vibration, and helps prevent premature clutch wear and performance loss. A faulty or contaminated pressure control valve may cause pressure fluctuations, irregular gear changes, and reduced hydraulic efficiency. Therefore, inspection and replacement of the valve during transmission maintenance, repair, or mechatronic overhaul are essential for reliable and long-lasting transmission performance.