BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:C1A45

DTC Code DTC Name
C1A45 Vehicle Speed Sensor

DESCRIPTION

The blind spot monitor sensor receives vehicle speed signals from the brake actuator assembly via CAN communication.

DTC Code DTC Detection Condition Trouble Area
C1A45 A fail flag is transmitted from the brake actuator assembly.

  • Electronically controlled brake system

  • Blind spot monitor sensor RH

  • Blind spot monitor sensor LH

INSPECTION PROCEDURE

Note

When checking for DTCs, make sure that the blind spot monitor main switch (integration control and panel assembly) is on.

PROCEDURE


  1. CHECK OTHER DTC OUTPUT (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)


    1. Check for DTCs of the electronically controlled brake system Click here.

      OK
      Vehicle electronically controlled brake DTCs are not output.

    NG

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM Click here

    OK

  2. CHECK DTC


    1. Clear the DTCs Click here.

    2. Recheck for DTCs and check if the same DTC is output again Click here.

      Result
      Result Proceed to
      No DTC is output A
      DTC C1A45 is output ("Blind Spot Monitor Master") B
      DTC C1A45 is output ("Blind Spot Monitor Slave") C

    B

    REPLACE BLIND SPOT MONITOR SENSOR RH Click here

    C

    REPLACE BLIND SPOT MONITOR SENSOR LH Click here

    A

    USE SIMULATION METHOD TO CHECK Click here