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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 has been replaced.

DTC No. DTC Detection Condition Trouble Area
C1AB8 The blind spot monitor sensor cannot communicate with the main body ECU (multiplex network 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 main switch (warning canceling switch assembly) is on.

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

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PROCEDURE


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    CHECK DTC


    1. Check for CAN Communication System DTCs (Click here).

      OK
      CAN communication system DTCs are not output.

  2. Click here

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


    1. Replace the main body ECU (multiplex network body ECU) (Click here).


  3. Click here

    RECHECK DTC


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

      Result
      Result Proceed to
      No DTC is output A
      DTC is output from the blind spot monitor sensor LH (Master) B
      DTC is output from the blind spot monitor sensor RH (Slave) C

    • A

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

    • B

      REPLACE BLIND SPOT MONITOR SENSOR LH (Click here)

    • C

      REPLACE BLIND SPOT MONITOR SENSOR RH (Click here)