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Home >> Lexus >> 2022 >> ES 250 Base >> Repair and Diagnosis (Single Page) >> Suspension >> Suspension Control Systems >> Adaptive Variable Suspension System - Diagnostic Codes >> Adaptive Variable Suspension System >> DTC U0100: Lost Communication With ECM/PCM "A"; 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; DTC U1103: Lost Communication with Stop and Start Control Module [08/2021 - ] >> Procedure
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DTC U0100: Lost Communication With ECM/PCM "A"; 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; DTC U1103: Lost Communication with Stop and Start Control Module [08/2021 - ]: Procedure

  1. CHECK FOR DTCS 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [08/2021 - ]

      Chassis > Air suspension > Clear DTCs 

    2. Turn the ignition 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 [08/2021 - ]

      Chassis > Air suspension > 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 [06/2018 - ] 

    Result: 

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) 

    For HV Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]

    For Gasoline Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]