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Home >> Lexus >> 2013 >> GS 350 Base, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Stability Control System (Diagnostic Codes & Symptom Tests) >> Vehicle Stability Control System >> DTC C1409: Front Speed Sensor RH Performance; DTC C1410: Front Speed Sensor LH Performance >> Procedure

DTC C1409: Front Speed Sensor RH Performance; DTC C1410: Front Speed Sensor LH Performance: Procedure

  1. RECONFIRM DTC 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR [12/2011 - ] .
    2. Turn the engine switch off.
    3. Start the engine.
    4. Perform a road test.
    5. Check if the same DTC is output. Refer to DTC CHECK / CLEAR [12/2011 - ] .
      RESULT

      Result Proceed to
      DTCs C1409 and C1410 are not output A
      DTCs C1409 and/or C1410 are output (for 2WD) B
      DTCs C1409 and/or C1410 are output (for AWD) C
      NOTE:

      Check the speed sensor signal after replacement. Refer to TEST MODE PROCEDURE [12/2011 - ] .

    B → See step   3 

    C → See step   2 

    A → See step   4 

  2. REPLACE FRONT SPEED SENSOR. Refer to  REMOVAL [12/2011 - ] 
  3. REPLACE FRONT AXLE HUB SUB-ASSEMBLY. Refer to  REMOVAL [12/2011 - ] 
  4. CHECK FOR INTERMITTENT PROBLEMS. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2011 - ]