Component Description: PSCM
WARNING: This page is about a different car, the 2016 Ford Transit Connect. However, it is still accessible from the selected car via links, so may be relevant.
The PSCM is the Electronic Control Unit (ECU) for the EPAS system. The module monitors all sensor inputs and High Speed Controller Area Network (HS-CAN) messages that relate to the EPAS system and directly controls the output of the EPAS motor.