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Home >> Toyota >> 2017 >> Highlander LE Plus, AWD >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes & Circuit Tests - (Except Hybrid) >> Pre-Collision System >> DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U1002: Lost Communication with Gateway Module; DTC U1104: Lost Communication with Driving Support ECU [12/2013 - 11/2016] >> Procedure
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DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U1002: Lost Communication with Gateway Module; DTC U1104: Lost Communication with Driving Support ECU [12/2013 - 11/2016]: Procedure

  1. CHECK FOR DTC (PRE-COLLISION 2) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2013 - 11/2016]

    4. Make sure that the DTC detection conditions are met.

      HINT: 

      If the detection conditions are not met, the system cannot detect the malfunction.

    5. Check the DTCs.

      Body Electrical > Pre-Collision 2 > Trouble Codes 

      Result

      Result Proceed to
      CAN communication system DTCs are not output A
      CAN communication system DTCs are output B
    6. Turn the engine switch off.

    Result:  1

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2013 - 11/2016] 

    Result:  2

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2013 - 11/2016]