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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 109 (Heating / Air Conditioning System - Diagnostic Codes (1 Of 2)) >> AIR CONDITIONING SYSTEM (for Gasoline Model) >> DTC B13AD-87: Lost Communication with Front Control Rear Air Mix Damper Control Servo Motor LIN Missing Message [10/2022 - ] >> Procedure

DTC B13AD-87: Lost Communication with Front Control Rear Air Mix Damper Control Servo Motor LIN Missing Message [10/2022 - ]: Procedure

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  1. CHECK FOR DTC 
    1. Check for DTCs.

      Body Electrical > Air Conditioner > Trouble Codes 

      Result

      Result Proceed to
      B142A-88 is output A
      B142A-88 is not output B

    Result: 

    A 

    GO TO DTC B142A-88. Refer to  DTC B142A-88: Servo Motor LIN Communication Bus off [10/2022 - ]  

    Result: 

    B 

    REPLACE NO. 4 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY. Refer to  DISASSEMBLY [10/2022 - ]