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Home >> Toyota >> 2025 >> GR86 Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Keyless Access System - Diagnostic Codes (2 Of 2) & Symptom Tests >> Keyless Access System With Push Button Start >> DTC U0074: Control Module Communication Bus "BODY-CAN" 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 U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module; DTC U0401: Invalid Data Received From ECM/PCM "A"; DTC U0416: Invalid Data Received From Vehicle Dynamics Control Module; DTC U0423: Invalid Data Received From Instrument Panel Cluster Control Module; DTC U1140: Lost Communication With Body Control Module BODY-CAN; DTC U1198: Lost Communication with Telematics System; DTC U1422: Invalid Data Received From Body Control Module BODY-CAN [11/2021 - ] >> Procedure
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DTC U0074: Control Module Communication Bus "BODY-CAN" 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 U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module; DTC U0401: Invalid Data Received From ECM/PCM "A"; DTC U0416: Invalid Data Received From Vehicle Dynamics Control Module; DTC U0423: Invalid Data Received From Instrument Panel Cluster Control Module; DTC U1140: Lost Communication With Body Control Module BODY-CAN; DTC U1198: Lost Communication with Telematics System; DTC U1422: Invalid Data Received From Body Control Module BODY-CAN [11/2021 - ]: Procedure

  1. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM 
    1. Using the GTS, check for CAN communication system DTCs.

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

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    END