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Home >> Toyota >> 2025 >> GR86 Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> ASC System - Diagnostic Codes >> ASC System >> 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 [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 [11/2021 - ]: Procedure

  1. GO TO LAN SYSTEM. 

    HINT: 

    Refer to "LAN SYSTEM (DIAGNOSTICS)" for diagnostic procedure.

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

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END 

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