DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Smart Key System (For Start, Except HV) - Diagnostic Codes (1 Of 2) >> SMART KEY SYSTEM (for Start Function, Gasoline Model) >> DTC B2781-96: Steering Lock System Component Internal Failure; DTC B2782-11: Power Source Control System Circuit Short to Ground; DTC B2782-15: Power Source Control System Circuit Short to Battery or Open; DTC B279F-1C: Steering Lock Confirmation Signal Circuit Voltage Out of Range [11/2023 - ] >> Procedure

DTC B2781-96: Steering Lock System Component Internal Failure; DTC B2782-11: Power Source Control System Circuit Short to Ground; DTC B2782-15: Power Source Control System Circuit Short to Battery or Open; DTC B279F-1C: Steering Lock Confirmation Signal Circuit Voltage Out of Range [11/2023 - ]: Procedure

  1. CLEAR DTC 
    1. Clear the DTCs.

      Body Electrical > Smart Key > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTC 
    1. Check for DTCs.

      Body Electrical > Smart Key > Trouble Codes 

      Result

      Result Proceed to
      B2781-96, B2782-11, B2782-15 or B279F-1C is output A
      B2781-96, B2782-11, B2782-15 and B279F-1C are not output B

    Result: 

    REPLACE ID CODE BOX (IMMOBILIZER CODE ECU). Refer to  REMOVAL [11/2023 - ] 

    Result: 

    END