LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2020 >> 86 Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission System [TX6A] - Diagnostic Codes & Circuit Tests >> Automatic Transmission System >> Diagnostic Codes >> DTC U0073: Control Module Communication Bus "A" Off; DTC U0401: Invalid Data Received from ECM/PCM "A"; DTC U0416: Invalid Data Received from Vehicle Dynamics Control Module; DTC U0422: Invalid Data Received from Body Control Module; DTC U0423: Invalid Data Received from Instrument Panel Cluster Control Module [06/2016 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0073: Control Module Communication Bus "A" Off; DTC U0401: Invalid Data Received from ECM/PCM "A"; DTC U0416: Invalid Data Received from Vehicle Dynamics Control Module; DTC U0422: Invalid Data Received from Body Control Module; DTC U0423: Invalid Data Received from Instrument Panel Cluster Control Module [06/2016 - ]: Procedure

  1. CHECK DTC OUTPUT 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON and push the Techstream main switch on.
    3. Read the DTCs using the Techstream (Refer to DTC CHECK / CLEAR [06/2016 - ] ).

    Result: 

    NEXT 

    GO TO CAN COMMUNICATION SYSTEM 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - 03/2017] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ] )

scientia non olet · About LEMON Manuals