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DTC U0101: Lost Communication with TCM; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module [04/2013 - 09/2020]: Description

These DTCs are stored when the clearance warning ECU assembly cannot receive and recognize several signals via the CAN communication line.

DTC No. Detection Item DTC Detection Condition Trouble Area
U0101 Lost Communication with TCM Lost communication with the ECM CAN communication system
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module Lost communication with the combination meter assembly CAN communication system

HINT: 

When 2 or more DTCs starting with "U" are output simultaneously, inspect the connectors and wire harnesses of each ECU.