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Home >> Lexus >> 2019 >> UX 250h Base >> Repair and Diagnosis (Single Page) >> Suspension >> Front 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 [07/2022 - ] >> 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 [07/2022 - ]: Procedure

  1. CHECK FOR DTCS 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [07/2022 - ]

      Chassis > Adaptive Variable Suspension System > Clear DTCs 

    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 [07/2022 - ]

      Chassis > Adaptive Variable Suspension System > Trouble Codes 

      Result

      Result Proceed to
      CAN DTCs are not output A
      CAN DTCs are 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.

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - ] 

    Result: 

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - ]