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Home >> Lexus >> 2022 >> ES 300h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Radar Cruise Control System (Hybrid) - Diagnostic Codes & Circuit Tests >> DYNAMIC RADAR CRUISE CONTROL SYSTEM (for HV Model) >> DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module 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 U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message; DTC U1106-87: Lost Communication with Electric Parking Brake Module Missing Message [06/2018 - ] >> Procedure
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DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module 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 U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message; DTC U1106-87: Lost Communication with Electric Parking Brake Module Missing Message [06/2018 - ]: Procedure

  1. CHECK FOR DTCs 
    1. Clear the DTCs.

      Powertrain > Radar Cruise2 > 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.

      Powertrain > Radar Cruise2 > Trouble Codes 

      Result

      Result Proceed to
      DTC U0125-87, U0126-87, U0129-87, U0155-87, U0293-87 and U1106-87 are not output A
      DTC U0125-87, U0126-87, U0129-87, U0155-87, U0293-87 or U1106-87 is output B

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]