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Home >> Lexus >> 2013 >> GS 450h >> Repair and Diagnosis (Single Page) >> Suspension >> Electronic Suspension >> Adaptive Variable Suspension System (Diagnostic Codes) >> Adaptive Variable Suspension System >> DTC U0101: Lost Communication with TCM; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0124: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0293: Lost Communication with Hybrid Control Module >> Procedure
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DTC U0101: Lost Communication with TCM; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0124: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0293: Lost Communication with Hybrid Control Module: Procedure

  1. CHECK FOR DTC 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR [03/2012 - ] .
    2. Turn the power switch off.
    3. Drive the vehicle at a speed of 30 km/h (19 mph) or more for 10 seconds or more.
    4. Check for DTCs. Refer to DTC CHECK / CLEAR [03/2012 - ] .
      RESULT

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

      HINT: 

      If a CAN communication malfunction DTC and a related sensor malfunction DTC are output at the same time, the CAN communication malfunction must be repaired before troubleshooting the sensor malfunction DTC.

    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 [03/2012 - ] 
  3. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ]