DTC U0423: Invalid Data Received from Instrument Panel Cluster Control Module: Description

The PSCM monitors the HS-CAN when the ignition has been on for more than 5 seconds, the voltage to the PSCM is greater than 10 volts and there are no DTCs present inhibiting PSCM operation.

• DTC U0423 (Invalid Data Received from Instrument Panel Cluster Control Module: No Sub Type Information) - This DTC sets if the PSCM receives invalid or unknown data from the IPC. This DTC indicates a missing or invalid power mode message from the IPC.