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Home >> Toyota >> 2023 >> GR86 Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Airbag System - Diagnostic Codes (3 Of 3) & Symptom Tests >> Airbag 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 U0128: Lost Communication With Park Brake Control Module; DTC U0140: Lost Communication With Body Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0401: Invalid Data Received From ECM/PCM "A"; DTC U0402: Invalid Data Received From TCM; DTC U0416: Invalid Data Received From Vehicle Dynamics Control Module; DTC U0417: Invalid Data Received From Park Brake Control Module; DTC U0422: Invalid Data Received From Body Control Module; DTC U0423: Invalid Data Received From Instrument Panel Cluster (IPC) Control Module [11/2021 - ] >> Procedure
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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 U0128: Lost Communication With Park Brake Control Module; DTC U0140: Lost Communication With Body Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0401: Invalid Data Received From ECM/PCM "A"; DTC U0402: Invalid Data Received From TCM; DTC U0416: Invalid Data Received From Vehicle Dynamics Control Module; DTC U0417: Invalid Data Received From Park Brake Control Module; DTC U0422: Invalid Data Received From Body Control Module; DTC U0423: Invalid Data Received From Instrument Panel Cluster (IPC) Control Module [11/2021 - ]: Procedure

  1. PERFORM THE DIAGNOSIS FOR CAN COMMUNICATION SYSTEM 

    HINT: 

    Perform the diagnosis for CAN communication system.

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

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    FINISH THE DIAGNOSIS