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Home >> Lexus >> 2007 >> RX 400h FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 307 (Brake Control System) >> Vehicle Stability Control System >> DTC U0073/94 Control Module Communication Bus OFF; DTC U0100/65 Lost Communication with ECM / PCM; DTC U0123/62 Lost Communication with Yaw Rate Sensor Module; DTC U0124/95 Lost Communication with Lateral Acceleration Sensor Module; DTC U0126/63 Lost Communication with Steering Angle Sensor Module >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota FJ Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
  1. RECONFIRM DTC 
    1. Clear the DTC(s) (See DTC CHECK/CLEAR  ).
    2. Check if the same DTC(s) is output (See DTC CHECK/CLEAR  ).

      Result 

      RESULT CHART

      Result Proceed to
      DTC output A
      DTC not output B

    B: CHECK FOR INTERMITTENT PROBLEMS  (See CHECK FOR INTERMITTENT PROBLEMS  )

    A: REPAIR CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )