DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Intuitive Parking Assist System (W/ Parking Support Brake System) - Diagnostic Codes & Circuit Tests >> INTUITIVE PARKING ASSIST SYSTEM (w/ Parking Support Brake System) >> DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0125-87: Lost Communication With Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication With Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U0293-87: Lost Communication With Hybrid Powertrain Control Module Missing Message; DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message [12/2019 - 11/2023] >> Description

DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0125-87: Lost Communication With Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication With Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U0293-87: Lost Communication With Hybrid Powertrain Control Module Missing Message; DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message [12/2019 - 11/2023]: 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
U0100-87 Lost Communication With ECM/PCM "A" Missing Message Lost communication with ECM CAN communication system
U0125-87 Lost Communication With Multi-axis Acceleration Sensor Module Missing Message Lost communication with yaw rate sensor (airbag ECU assembly) and the forward recognition camera CAN communication system
U0126-87 Lost Communication with Steering Angle Sensor Module Missing Message Lost communication with steering sensor CAN communication system
U0129-87 Lost Communication With Brake System Control Module Missing Message Lost communication with No. 2 skid control ECU (brake actuator assembly)*1 or skid control ECU (brake actuator assembly)*2 CAN communication system
U0140-87 Lost Communication with Body Control Module Missing Message Lost communication with main body ECU (multiplex network body ECU) CAN communication system
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message Lost communication with the combination meter assembly CAN communication system
U0164-87 Lost Communication with HVAC Control Module Missing Message Lost communication with air conditioning amplifier assembly CAN communication system
U0293-87 Lost Communication With Hybrid Powertrain Control Module Missing Message Lost communication with hybrid vehicle control ECU CAN communication system
U1103-87 Lost Communication with Stop and Start Control Module Missing Message Lost communication with the engine stop and start ECU CAN communication system
  1. *1: for HV Model
  2. *2: for Gasoline Model

HINT: 

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