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

Action 

CARRY OUT a self-test of the IPC module. If the scan tool indicates the module is not responding, REFER to MODULE COMMUNICATIONS NETWORK to DIAGNOSE the network communication concern. If IPC module DTCs are present, REFER to INSTRUMENTATION, MESSAGE CENTER & WARNING CHIMES to DIAGNOSE the IPC system fault.