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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 112 (Smart Key System (For Start, HV) - Diagnostic Codes (2 Of 2) & Symptom Tests (1 Of 2)) >> SMART KEY SYSTEM (for Start Function, HV Model) >> DTC B279C-95: Engine Immobilizer System Incorrect Assembly [12/2019 - 11/2023] >> Procedure

DTC B279C-95: Engine Immobilizer System Incorrect Assembly [12/2019 - 11/2023]: Procedure

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  1. REPLACE HYBRID VEHICLE CONTROL ECU 
    1. Temporarily replace the hybrid vehicle control ECU with a new one.

      Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    END (HYBRID VEHICLE CONTROL ECU WAS DEFECTIVE) 

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