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Home >> Toyota >> 2017 >> Camry LE >> Repair and Diagnosis (Single Page) >> Restraints >> Seat Belts >> Pre-Collision System (Diagnostic Codes (C1A01-U0235) & 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 U1104: Lost Communication with Driving Support ECU [08/2015 - ] >> 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 U1104: Lost Communication with Driving Support ECU [08/2015 - ]: 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 [08/2015 - ] .
    4. Enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
    5. Make sure that the DTC detection conditions are met.

      HINT: 

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

    6. Check for DTCs.

      Result

      Result Proceed to
      CAN communication system DTCs are not output A
      CAN communication system DTCs are output B

    B → See step   3 

    A → See step   2 

  2. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ] 
  3. GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ]