DTC U0155-00: Lost Communication With Instrument Panel Cluster (IPC) Control Module - Missing message: Action

Refer to the appropriate electrical circuit wiring diagrams and check the power and ground connections to the module. Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the appropriate electrical circuit wiring diagrams and check the CAN network between the instrument panel cluster control module and the transmission shift module. Check the instrument panel cluster control module for related diagnostic trouble codes and refer to the relevant diagnostic trouble code index