LEMON Manuals: Even more car manuals for everyone: 1960-2025
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 U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0101: Lost Communication With TCM; DTC U0122: Lost Communication With Vehicle Dynamics Control Module; DTC U0146: Lost Communication With Serial Data Gateway Module "A"; DTC U0402: Invalid Data Received From TCM; DTC U1077: Control Module Communication Bus "EyeSight Local - Bus3" Off; DTC U1235: Lost Communication With EyeSight; DTC U1433: Invalid Data Received From EyeSight; DTC U1C00: Invalid Authentication Data Received From Gateway; DTC U1C07: Invalid Authentication Data Received From ECM/PCM PU-Bus; DTC U1C08: Invalid Authentication Data Received From VDC PU-Bus [11/2021 - 12/2023] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0101: Lost Communication With TCM; DTC U0122: Lost Communication With Vehicle Dynamics Control Module; DTC U0146: Lost Communication With Serial Data Gateway Module "A"; DTC U0402: Invalid Data Received From TCM; DTC U1077: Control Module Communication Bus "EyeSight Local - Bus3" Off; DTC U1235: Lost Communication With EyeSight; DTC U1433: Invalid Data Received From EyeSight; DTC U1C00: Invalid Authentication Data Received From Gateway; DTC U1C07: Invalid Authentication Data Received From ECM/PCM PU-Bus; DTC U1C08: Invalid Authentication Data Received From VDC PU-Bus [11/2021 - 12/2023]: Procedure

  1. INSPECTION 

    HINT: 

    Perform the diagnosis for CAN communication system.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END