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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Air Suspension System >> DTC U0100/71 Lost Communication with ECM / PCM "A; DTC U0101/71 Lost Communication with TCM; DTC U0122/71 Lost Communication with Vehicle Dynamics Control Module; DTC U0124 Lost Communication with Lateral Acceleration Sensor Module; DTC U0126/71 Lost Communication with Steering Angle Sensor Module; DTC U0130/71 Lost Communication with Steering Effort Control Module; DTC U0132 Lost Communication with Suspension Control ECU >> Inspection Procedure

Inspection Procedure

  1. CHECK DTC 
    1. Clear the DTC (see DTC CHECK / CLEAR  ).
    2. Perform a road test.
    3. Check for DTC (see DTC CHECK / CLEAR  ).

      Result 

      RESULT CHART

      Condition Proceed to
      DTC is output A
      DTC is not 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.

    B: USE SIMULATION METHOD TO CHECK  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    A: GO TO CAN COMMUNICATION SYSTEM  (See CAN COMMUNICATION SYSTEM )