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Home >> Lexus >> 2015 >> NX 300h AWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes & Circuit Tests >> Pre-Collision System >> DTC U0125-87: Lost Communication With Multi-axis Acceleration Sensor Module Missing Message; DTC U012687: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U012987: Lost Communication with Brake System Control Module Missing Message; DTC U029387: Lost Communication with Hybrid Powertrain Control Module Missing Message [05/2019 - ] >> Procedure
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DTC U0125-87: Lost Communication With Multi-axis Acceleration Sensor Module Missing Message; DTC U012687: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U012987: Lost Communication with Brake System Control Module Missing Message; DTC U029387: Lost Communication with Hybrid Powertrain Control Module Missing Message [05/2019 - ]: Procedure

  1. CHECK FOR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [05/2019 - ]

      Body Electrical > Pre-Collision System > Clear DTCs 

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

      HINT: 

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

    3. Recheck for DTCs and check that no DTCs are output.

      Refer to DTC CHECK / CLEAR [05/2019 - ]

      Body Electrical > Pre-Collision System > Trouble Codes 

      OK

      U012587, U012687, U012987 and U029387 are not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2019 - 10/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2019 - 07/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [07/2020 - ] 

    Result: 

    NG 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2019 - ]