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Home >> Toyota >> 2017 >> RAV4 XLE, AWD >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge / Display - Diagnostic Codes & Circuit Tests - (Except Hybrid) >> Meter / Gauge System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Skid Control ECU; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0151: Lost Communication with Airbag ECU [12/2012 - 10/2015] >> Procedure

DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Skid Control ECU; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U0151: Lost Communication with Airbag ECU [12/2012 - 10/2015]: Procedure

  1. CHECK FOR DTC 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2012 - ] .

      Body Electrical > Combination Meter > Trouble Codes 

      HINT: 

      If CAN communication system DTC U0100, U0129, U0131, U0142, or U0151 and another DTC are output at the same time, perform troubleshooting for CAN communication system DTC U0100, U0129, U0131, U0142, or U0151 first.

      Result Proceed to
      CAN communication system DTC is not output
      CAN communication system DTC is output

    Result: 

    CAN communication system DTC is not output 

    USE SIMULATION METHOD TO CHECK: 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2012 - 11/2013] or HOW TO PROCEED WITH TROUBLESHOOTING [11/2013 - 10/2015] .

    Result: 

    CAN communication system DTC is output 

    GO TO CAN COMMUNICATION SYSTEM. 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2012 - 10/2015] .