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Home >> Toyota >> 2025 >> GR86 Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Eyesight System - Diagnostic Codes (2 Of 2) & Symptom Tests >> Eyesight System >> DTC U007A: Control Module Communication Bus "H" Off; DTC U0140: Lost Communication With Body Control Module; DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module; DTC U0422: Invalid Data Received From Body Control Module; DTC U0423: Invalid Data Received From Instrument Panel Cluster Control Module; DTC U1077: Control Module Communication Bus "EyeSight Local - Bus3" Off; DTC U1233: Lost Communication with RAB Control Module; DTC U127E: Lost Communication With EyeSight Security Gateway; DTC U1534: Invalid Data Received from Sonar ECU; DTC U157F: Invalid Data Received From EyeSight Security Gateway [11/2021 - ] >> Description
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DTC U007A: Control Module Communication Bus "H" Off; DTC U0140: Lost Communication With Body Control Module; DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module; DTC U0422: Invalid Data Received From Body Control Module; DTC U0423: Invalid Data Received From Instrument Panel Cluster Control Module; DTC U1077: Control Module Communication Bus "EyeSight Local - Bus3" Off; DTC U1233: Lost Communication with RAB Control Module; DTC U127E: Lost Communication With EyeSight Security Gateway; DTC U1534: Invalid Data Received from Sonar ECU; DTC U157F: Invalid Data Received From EyeSight Security Gateway [11/2021 - ]: Description

DTC No. Detection Item DTC Detection Condition
U007A Control Module Communication Bus "H" Off Detected when malfunction occurs in CAN line. (Bus off)
U0140 Lost Communication With Body Control Module Detected when CAN data from main body ECU (multiplex network body ECU) is not transmitted to forward recognition camera.
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module Detected when CAN data from combination meter assembly is not transmitted to forward recognition camera.
U0422 Invalid Data Received From Body Control Module Failure counter diagnosis of main body ECU (multiplex network body ECU).
U0423 Invalid Data Received From Instrument Panel Cluster Control Module Failure counter diagnosis of combination meter assembly
U1077 Control Module Communication Bus "EyeSight Local - Bus3" Off Detected when malfunction occurs in CAN line. (Bus off)
U1233 Lost Communication with RAB Control Module Detected when CAN data from clearance warning ECU assembly did not reach the forward recognition camera.
U127E Lost Communication With EyeSight Security Gateway Detected when CAN data from No. 2 Network Gateway ECU is not transmitted to forward recognition camera.
U1534 Invalid Data Received from Sonar ECU Failure counter diagnosis of clearance warning ECU assembly.
U157F Invalid Data Received From EyeSight Security Gateway Failure counter diagnosis of No. 2 Network Gateway ECU.

Trouble symptom

- All functions of EyeSight system do not operate.

- The reverse assist braking does not operate.