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Home >> Lexus >> 2015 >> GX 460 Base >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> Vehicle Stability Control System (Diagnostic Codes & Symptom Tests) >> Vehicle Stability Control System >> DTC U0073: Control Module Communication Bus OFF; DTC U0100: Lost Communication with ECM / PCM; DTC U0114: Lost Communication with 4WD Control ECU; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0124: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module [08/2013 - ] >> Procedure
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DTC U0073: Control Module Communication Bus OFF; DTC U0100: Lost Communication with ECM / PCM; DTC U0114: Lost Communication with 4WD Control ECU; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0124: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module [08/2013 - ]: Procedure

  1. RECONFIRM DTC 
    1. Clear the DTC(s). Refer to DTC CHECK / CLEAR [08/2013 - ] .
    2. Check if the same DTC(s) is output. Refer to DTC CHECK / CLEAR [08/2013 - ] .
      RESULT

      Result Proceed to
      DTC is not output A
      DTC is output B

    B → See step   2 

    A → See step   3 

  2. GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ] 
  3. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ]