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Home >> Lexus >> 2020 >> UX 250h F Sport >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision (Diagnostic Codes) >> 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 U013187: Lost Communication with Power Steering Control Module Missing Message; DTC U029387: Lost Communication with Hybrid Powertrain Control Module Missing Message [07/2022 - ] >> 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 U013187: Lost Communication with Power Steering Control Module Missing Message; DTC U029387: Lost Communication with Hybrid Powertrain Control Module Missing Message [07/2022 - ]: Procedure

  1. CHECK FOR DTCs 
    1. Clear the DTCs.

      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. Check for DTCs.

      Body Electrical > Pre-Collision System > Trouble Codes 

      Result

      Result Proceed to
      DTC U012587, U012687, U012987, U013187 and U029387 are not output A
      DTC U012587, U012687, U012987, U013187 or U029387 is output B

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - ] 

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - ]