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Home >> Toyota >> 2017 >> Mirai >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Intuitive Parking Assist System - Diagnostic Codes & Circuit Tests >> Intuitive Parking Assist System >> DTC U0101: Lost Communication with TCM; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U1114: Lost Communication with Main Switch Module [06/2015 - 11/2018] >> Description
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DTC U0101: Lost Communication with TCM; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U1114: Lost Communication with Main Switch Module [06/2015 - 11/2018]: 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 hybrid vehicle control ECU CAN communication system
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module Lost communication with the combination meter assembly CAN communication system
U1114 Lost Communication with Main Switch Module Lost communication with the integration control and panel 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.