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Home >> Lexus >> 2011 >> LS 460 RWD >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Electronically Controlled Brake System (Diagnostic Codes & Circuit Tests) >> Electronically Controlled Brake System >> DTC U0073/94: Control Module Communication Bus OFF; DTC U0100/65: Lost Communication with ECM / PCM; DTC U0123/62: Lost Communication with Yaw Rate Sensor Module; DTC U0124/95: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126/63: Lost Communication with Steering Angle Sensor Module; DTC U0128/13: Lost Communication with Park Brake Control Module; DTC U0130/68: Lost Communication with Steering Effort Control Module; DTC U0131/67: Lost Communication with Power Steering Control Module >> Procedure
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DTC U0073/94: Control Module Communication Bus OFF; DTC U0100/65: Lost Communication with ECM / PCM; DTC U0123/62: Lost Communication with Yaw Rate Sensor Module; DTC U0124/95: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126/63: Lost Communication with Steering Angle Sensor Module; DTC U0128/13: Lost Communication with Park Brake Control Module; DTC U0130/68: Lost Communication with Steering Effort Control Module; DTC U0131/67: Lost Communication with Power Steering Control Module: Procedure

  1. CHECK DTC 
    1. Check for DTCs. Refer to DTC CHECK / CLEAR .
      RESULT

      Result Proceed to
      DTCs are not output OK
      DTCs are output NG

      HINT: 

      The CAN communication system must be normal when troubleshooting the sensor DTCs (for ABS, VSC and electronically controlled brake system).

    NG → See step   2 

    OK → END 

  2. GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING