LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2021 >> GX 460 Premium >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Air Suspension System (Diagnostic Codes & Symptom Tests) >> Air Suspension System >> DTC U0100-71: Lost Communication with ECM/PCM "A"; DTC U0114-71: Lost Communication with Four-Wheel Drive Clutch Control Module; DTC U0122-71: Lost Communication with Vehicle Dynamics Control Module; DTC U0124-71: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126-71: Lost Communication with Steering Angle Sensor Module; DTC U0140-71: Lost Communication with Body Control Module [08/2015 - 08/2019] >> Procedure

DTC U0100-71: Lost Communication with ECM/PCM "A"; DTC U0114-71: Lost Communication with Four-Wheel Drive Clutch Control Module; DTC U0122-71: Lost Communication with Vehicle Dynamics Control Module; DTC U0124-71: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126-71: Lost Communication with Steering Angle Sensor Module; DTC U0140-71: Lost Communication with Body Control Module [08/2015 - 08/2019]: Procedure

  1. CHECK FOR DTC 
    1. Clear the DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
    2. Perform a road test.
    3. Check for DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
      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.

    Result: 

    USE SIMULATION METHOD TO CHECK 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2019] )

    Result: 

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

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2019] )