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Home >> Lexus >> 2013 >> RX 350 Base, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Warning Systems >> Intuitive Parking Assist System (Diagnostic Codes & Circuit Tests) >> Intuitive Parking Assist System >> DTC U0101: Lost Communication with TCM; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0155: Lost Communication with Instrument Panel Cluster Control Module (Combination Meter) [03/2012 - 07/2012] >> Procedure
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DTC U0101: Lost Communication with TCM; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0155: Lost Communication with Instrument Panel Cluster Control Module (Combination Meter) [03/2012 - 07/2012]: Procedure

  1. CHECK DTC OUTPUT 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR [03/2012 - ] .
    2. Check for DTCs. Refer to DTC CHECK / CLEAR [03/2012 - ] .

      Result

      Result Proceed to
      DTCs (CAN communication system DTC) are output A
      No DTCs are output B

    B → See step   3 

    A → See step   2 

  2. GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - 07/2012] 
  3. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - 07/2012]