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Home >> Lexus >> 2024 >> GX 550 Overtrail >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System - Diagnostic Codes (2 Of 2) & Symptom Tests >> Electronically Controlled Brake System >> DTC C0557-95: Left Rear Wheel Speed Sensor Incorrect Component Installed [12/2023 - ] >> Procedure

DTC C0557-95: Left Rear Wheel Speed Sensor Incorrect Component Installed [12/2023 - ]: Procedure

  1. CHECK PART NUMBER (REAR SPEED SENSOR LH) 
    1. Check that the rear speed sensor LH is installed.

      OK

      Proper rear speed sensor LH is installed.

      NOTE:

      If it is necessary to remove components in order to check the rear speed sensor LH, follow the relevant installation and removal procedures and precautions for those components.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE REAR SPEED SENSOR LH. Refer to  REMOVAL [12/2023 - ] 

    Result: 

    OK 

    See step  2

  2. CLEAR DTC 

    Pre-procedure1

    1. None

      Procedure1

    2. Clear the DTCs.

      Chassis > Brake/EPB > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    3. Turn the ignition switch off.

    Result: 

    NEXT 

    See step  3

  3. RECONFIRM DTC 

    Pre-procedure1

    1. Based on the Freeze Frame Data and interview with the customer, attempt to reproduce the conditions when the malfunction occurred.

      Procedure1

    2. Check if the same DTC is output.

      Chassis > Brake/EPB > Trouble Codes 

      Result

      Result Proceed to
      C0557-95 is not output A
      C0557-95 is output B

      Post-procedure1

    3. None

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2023 - ] 

    Result: 

    REPLACE REAR SPEED SENSOR LH. Refer to  REMOVAL [12/2023 - ]