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DTC U0073: Control Module Communication Bus "A" Off; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module [11/2015 -]: Procedure

  1. CHECK DTC OUTPUT 
    1. Clear the DTCs

      Refer to DTC CHECK / CLEAR [11/2015 -]

      Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs 

    2. Check for CAN communication system DTCs

      Refer to DTC CHECK / CLEAR [11/2015 -]

      Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes 

      Result

      Result Proceed to
      CAN communication system DTCs are output A
      No CAN communication system DTCs are output B

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2015 - 12/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2018 -] 

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2015 - 12/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2018 - 07/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [07/2020 - 06/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2021 -]