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Home >> Lexus >> 2018 >> LC 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Front Camera System - Diagnostic Codes) >> Front Camera System >> DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module "A" Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0130-87: Lost Communication with Steering Effort Control Module Missing Message; DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing [05/2023 - ] >> Procedure
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DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module "A" Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0130-87: Lost Communication with Steering Effort Control Module Missing Message; DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing [05/2023 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus LC 500h. However, it is still accessible from the selected car via links, so may be relevant.
  1. CLEAR DTC 
    1. Clear the DTCs.

      Chassis > Front Recognition Camera > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTCs 
    1. Make sure that the DTC detection conditions are met.

      HINT: 

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

    2. Check for DTCs.

      Chassis > Front Recognition Camera > Trouble Codes 

      Result

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

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ] 

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ]