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Home >> Lexus >> 2011 >> LX 570 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Radar Cruise Control System (Diagnostic Codes & Circuit Tests) >> Dynamic Radar Cruise Control System >> DTC U0100: Communication Stop from ECM to Distance Control ECU, VSC; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U1101: Lost Communication with Distance Control ECU (08/2011 - ) >> Procedure
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DTC U0100: Communication Stop from ECM to Distance Control ECU, VSC; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U1101: Lost Communication with Distance Control ECU (08/2011 - ): Procedure

  1. CHECK DTC (CAN COMMUNICATION SYSTEM) 
    1. Use the Techstream to check if the CAN communication system is functioning normally. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

      OK

      DTC is not output.

    NG → See step   3 

    OK → See step   2 

  2. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 
  3. GO TO CAN COMMUNICATION SYSTEM. Refer to  DIAGNOSIS SYSTEM