DTC U0122: Lost Communication with the Vehicle Dynamics Module (VDM): Description

WARNING: This page is about a different car, the 2016 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.

The PSCM monitors the HS-CAN messages when the ignition has been on for more than 5 seconds, the voltage to the PSCM is greater than 9 volts and there are no DTCs present inhibiting PSCM operation.

DTC U0122:00 (Lost Communication with the Vehicle Dynamics Module (VDM): No Sub Type Information) - This DTC sets when communication between the PSCM and the VDM fails. The VDM sends the suspension status message to the PSCM over the HS-CAN. If this message is missing for more than 5 seconds the PSCM sets DTC U0122:00.