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Home >> Lexus >> 2024 >> LX 600 Base >> Repair and Diagnosis (Single Page) >> Suspension >> Electronic Suspension >> 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 U1103: Lost Communication with Stop and Start Control Module; DTC U114C: Lost Communication with Suspension Control Module 1 [12/2021 - ] >> 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 U1103: Lost Communication with Stop and Start Control Module; DTC U114C: Lost Communication with Suspension Control Module 1 [12/2021 - ]: Procedure

  1. CLEAR DTC 

    Pre-procedure1

    1. Turn the ignition switch to ON.

      Procedure1

    2. Clear the DTCs.

      Chassis > Adaptive Variable Suspension System > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    3. Turn the ignition switch off.

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTCS 

    Pre-procedure1

    1. Drive the vehicle at a speed of 30 km/h (19 mph) or more for 10 seconds or more.

      Procedure1

    2. Check for DTCs.

      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.

      Post-procedure1

    3. None

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ] 

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ]