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Home >> Toyota >> 2017 >> 4Runner TRD Pro >> Repair and Diagnosis (Single Page) >> Suspension >> Suspension Control Systems >> Kinetic Dynamic Suspension System - Diagnostic Codes >> Kinetic Dynamic Suspension System >> DTC U0100-71: Lost Communication with ECM/PCM "A"; 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 [08/2015 - 08/2019] >> Procedure
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DTC U0100-71: Lost Communication with ECM/PCM "A"; 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 [08/2015 - 08/2019]: Procedure

  1. CHECK 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

      Condition 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] )