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Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 35 (Dynamic Radar Cruise Control System (Diagnostic Codes & Circuit Tests) (Hybrid)) >> DYNAMIC RADAR CRUISE CONTROL SYSTEM (for HV Model) >> DTC U0104-87: Lost Communication with Cruise Control Module Missing Message; DTC U012287: Lost Communication with Vehicle Dynamics Control Module Missing Message; DTC U029387: Lost Communication with Hybrid Powertrain Control Module Missing Message [10/2018 - ] >> Procedure

DTC U0104-87: Lost Communication with Cruise Control Module Missing Message; DTC U012287: Lost Communication with Vehicle Dynamics Control Module Missing Message; DTC U029387: Lost Communication with Hybrid Powertrain Control Module Missing Message [10/2018 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR DTCs 
    1. Clear the DTCs.

      Powertrain > Cruise Control > 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 > Cruise Control > Trouble Codes 

      Result

      Result Proceed to
      DTC U010487, U012287 and U029387 are not output A
      DTC U010487, U012287 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 - ]