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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 90 (Heating / Air Conditioning System (HV) - Diagnostic Codes (1 Of 3)) >> AIR CONDITIONING SYSTEM (for HV Model) >> DTC B144B-87: Lost Communication with Front Left Air Mix Damper Control Servo Motor LIN Missing Message [11/2023 - ] >> Procedure

DTC B144B-87: Lost Communication with Front Left Air Mix Damper Control Servo Motor LIN Missing Message [11/2023 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  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 [11/2023 - ] 

    Result: 

    B 

    REPLACE NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY 

    Refer to DISASSEMBLY [10/2022 - ]

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