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BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB8

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DTC Code DTC Name
C1AB8 Destination Information Undefined
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DESCRIPTION

This DTC is stored when correct destination information is not sent from the main body ECU (multiplex network body ECU) and destination information cannot be confirmed after a blind spot monitor sensor has been replaced.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AB8 Destination Information Undefined The blind spot monitor sensor cannot communicate with the main body ECU
  • CAN communication system

  • Main body ECU (multiplex network body ECU)

  • Blind spot monitor sensor LH

  • Blind spot monitor sensor RH

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CAUTION / NOTICE / HINT

Note:
  • When checking for DTCs, make sure that the blind spot monitor system is turned on.

  • Before replacing the main body ECU (multiplex network body ECU), refer to the Service Bulletin.

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PROCEDURE


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    CHECK DTC


    1. Check for CAN communication system DTCs.

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      OK
      CAN communication system DTCs are not output.
      Result
      Proceed to
      OK
      NG

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    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


    1. Replace the main body ECU (multiplex network body ECU) with a new one.

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      Result
      Proceed to
      NEXT

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    RECHECK DTC


    1. Recheck for DTCs and check if the same DTC is output again.

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      1. Body Electrical > Blind Spot Monitor Master > Trouble Codes



      1. Body Electrical > Blind Spot Monitor Slave > Trouble Codes


      Result
      Result Proceed to
      No DTCs are output. A
      DTC C1AB8 is output ("Blind Spot Monitor Master"). B
      DTC C1AB8 is output ("Blind Spot Monitor Slave"). C

    • A

      END (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] WAS DEFECTIVE)

    • B

      REPLACE BLIND SPOT MONITOR SENSOR RHClick here

    • C

      REPLACE BLIND SPOT MONITOR SENSOR LHClick here