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Home >> Lexus >> 2023 >> LX 600 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Interior/Exterior Trim >> Front Multi Operation Panel System - Diagnostic Codes & Circuit Tests >> Front Multi Operation Panel System >> DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0114: Lost Communication with Four-Wheel Drive Clutch Control Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication With Brake System Control Module "A"; DTC U0140: Lost Communication with Body Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163: Lost Communication with Navigation Control Module; DTC U0164: Lost Communication with HVAC Control Module; DTC U114C: Lost Communication with Suspension Control Module 1; DTC U114F: Lost Communication with Power Integration Module [12/2021 - ] >> Description
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DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0114: Lost Communication with Four-Wheel Drive Clutch Control Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication With Brake System Control Module "A"; DTC U0140: Lost Communication with Body Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163: Lost Communication with Navigation Control Module; DTC U0164: Lost Communication with HVAC Control Module; DTC U114C: Lost Communication with Suspension Control Module 1; DTC U114F: Lost Communication with Power Integration Module [12/2021 - ]: Description

These DTCs are output when the self-diagnosis of the integration control and panel assembly determines that the CAN communication system is malfunctioning.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
U0100 Lost Communication With ECM/PCM "A" Communication is lost between the integration control and panel assembly and the ECM for approximately 10 seconds or more CAN communication system D-SEAT SW B
U0114 Lost Communication with Four-Wheel Drive Clutch Control Module Communication is lost between the integration control and panel assembly and the 4 wheel drive control ECU for approximately 10 seconds or more CAN communication system D-SEAT SW B
U0126 Lost Communication with Steering Angle Sensor Module Communication is lost between the integration control and panel assembly and the steering sensor for approximately 10 seconds or more CAN communication system D-SEAT SW B
U0129 Lost Communication With Brake System Control Module "A" Communication is lost between the integration control and panel assembly and the brake actuator assembly (No. 2 skid control ECU) for approximately 10 seconds or more CAN communication system D-SEAT SW B
U0140 Lost Communication with Body Control Module Communication is lost between the integration control and panel assembly and the main body ECU (multiplex network body ECU) for approximately 10 seconds or more CAN communication system D-SEAT SW B
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module Communication is lost between the integration control and panel assembly and the combination meter assembly for approximately 10 seconds or more CAN communication system D-SEAT SW B
U0163 Lost Communication with Navigation Control Module Communication is lost between the integration control and panel assembly and the multi-media module receiver assembly for approximately 10 seconds or more CAN communication system D-SEAT SW B
U0164 Lost Communication with HVAC Control Module Communication is lost between the integration control and panel assembly and the air conditioning amplifier assembly for approximately 10 seconds or more CAN communication system D-SEAT SW B
U114C Lost Communication with Suspension Control Module 1 Communication is lost between the integration control and panel assembly and the suspension control ECU for approximately 10 seconds or more CAN communication system D-SEAT SW B
U114F Lost Communication with Power Integration Module Communication is lost between the integration control and panel assembly and the power distribution box assembly for approximately 10 seconds or more CAN communication system D-SEAT SW B