DTC U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module: Description

WARNING: This page is about a different car, the 2017 Ford F-150. 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 6.5 volts and there are no DTCs present inhibiting PSCM operation.

DTC U0155:00 (Lost Communication with Instrument Panel Cluster (IPC) Control Module: No Sub Type Information) - This DTC is set when communication between the PSCM and the IPC module fails. The IPC sends the ignition status and the current odometer value to the PSCM.