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DTC U1000: CAN Communication Failure (Message Registry) [12/2019 - 10/2022]: Procedure

  1. CHECK DTC OUTPUT 
    1. Clear the DTCs.

      Chassis > Rear Camera > Clear DTCs 

    2. Recheck for DTCs and check that no DTCs are output.

      Chassis > Rear Camera > Trouble Codes 

      HINT: 

      • If DTC U1000 is not output again when rechecking for DTCs, it may have been stored due to a temporary CAN malfunction.
      • If DTC U1000 is output frequently, duplicate the problem symptoms and perform the inspection again, even if the DTC was not output when rechecking for DTCs.

        Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ]

      Result

      Result Proceed to
      DTC U1000 is not output A
      DTC U1000 is output B

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] 

    Result: 

    REPLACE REAR TELEVISION CAMERA ASSEMBLY. Refer to  REMOVAL [12/2019 - 11/2023]