BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1AB8

DTC Code DTC Name
C1AB8 Destination Information Undefined

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.

Detection Item

DTC Detection Condition

Trouble Area

C1AB8

Destination Information Undefined

The blind spot monitor sensor cannot communicate with the main body ECU (multiplex network body ECU).

  • CAN communication system (for LHD)

  • CAN communication system (for RHD)

  • Main body ECU (multiplex network body ECU)

  • Blind spot monitor sensor LH

  • Blind spot monitor sensor RH

CAUTION / NOTICE / HINT

Note:

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

  • When replacing the main body ECU (multiplex network body ECU), make sure to replace it with a new one.

PROCEDURE

  1. CHECK DTC

    1. for LHD

      1. Check for CAN Communication System DTCs.

        Click here

    2. for RHD

      1. Check for CAN Communication System DTCs.

        Click here

    Result

    Result

    Proceed to

    CAN communication system DTCs are not output

    A

    CAN communication system DTCs are output (for LHD)

    B

    CAN communication system DTCs are output (for RHD)

    C
    B

    GO TO CAN COMMUNICATION SYSTEM

    Click here

    C

    GO TO CAN COMMUNICATION SYSTEM

    Click here

    A

  2. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    1. for LHD

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

        Click here

    2. for RHD

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

        Click here

    Result

    Proceed to

    NEXT
    NEXT

  3. RECHECK DTC

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

      Click here

      Body Electrical > Blind Spot Monitor Master > Trouble Codes

      Body Electrical > Blind Spot Monitor Slave > Trouble Codes

    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) IS DEFECTIVE)

    B

    REPLACE BLIND SPOT MONITOR SENSOR LH

    Click here

    C

    REPLACE BLIND SPOT MONITOR SENSOR RH

    Click here