PSE Purpose/Design/Function

PSE Control Module
Delivers the necessary pressure or vacuum for the following systems:
- Central locking system (CL) pressure/vacuum
- Manifold vacuum assist (MVA) vacuum
- Orthopedic/multi-contour seat backrest (OSB) pressure

Two different versions are available which are used depending on the optional equipment of the vehicle.
- A37/4
- A37/5