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Home >> Toyota >> 2021 >> RAV4 Prime SE >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes (PHEV) >> Pre-Collision System >> DTC U0418-81: Invalid Data Received from Brake System Control Module Invalid Serial Data Received [06/2020 - 10/2022] >> Procedure
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DTC U0418-81: Invalid Data Received from Brake System Control Module Invalid Serial Data Received [06/2020 - 10/2022]: Procedure

  1. CHECK ELECTRONICALLY CONTROLLED BRAKE SYSTEM 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [06/2020 - ]

      Chassis > Brake/EPB > Trouble Codes 

      Chassis > Brake Booster > Trouble Codes 

      OK

      Electronically controlled brake system DTCs are not output.

      HINT: 

      If U0418-81 is output in the pre-collision system, electronically controlled brake system DTCs may also have been output. Check the electronically controlled brake system first.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE FORWARD RECOGNITION CAMERA. Refer to  REMOVAL [06/2020 - 10/2022] 

    Result: 

    NG 

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [06/2020 - 12/2021]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2021 - 10/2022]