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

The PSCM will monitor the HS-CAN bus when the ignition has been on for more than 5 seconds, when the voltage to the PSCM is greater than 9 volts and when there are no DTCs present that are 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 bus. If this message is missing for more than 5 seconds the PSCM will set U0122:00.