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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 58 (Dynamic Radar Cruise Control System (HV) - Diagnostic Codes & Circuit Tests) >> DYNAMIC RADAR CRUISE CONTROL SYSTEM (for HV Model) >> DTC U0104-87: Lost Communication with Cruise Control Module Missing Message; DTC U0122-87: Lost Communication with Vehicle Dynamics Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [02/2019 - 12/2021] >> Procedure

DTC U0104-87: Lost Communication with Cruise Control Module Missing Message; DTC U0122-87: Lost Communication with Vehicle Dynamics Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [02/2019 - 12/2021]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR DTCs (Radar Cruise1) 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [02/2019 - 12/2021]

      Powertrain > Radar Cruise1 > 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.

      Refer to DTC CHECK / CLEAR [02/2019 - 12/2021]

      Powertrain > Radar Cruise1 > Trouble Codes 

      Result

      Result Proceed to
      DTC U0104-87, U0122-87 and U0293-87 are not output A
      DTC U0104-87, U0122-87 or U0293-87 is output B

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [02/2019 - ]