DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> 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 - ] >> Description

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 - ]: Description

As this DTC is not normally output, it may be due to noise in the LIN communication system, etc.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
B2781-96 Steering Lock System Component Internal Failure Noise in the LIN communication system, etc. ID code box (immobilizer code ECU) DTC Output Confirmation Operation: 
  1. No confirmation operation is necessary (monitoring is continuous).
B2782-11 Power Source Control System Circuit Short to Ground Noise in the LIN communication system, etc. ID code box (immobilizer code ECU) DTC Output Confirmation Operation: 
  1. No confirmation operation is necessary (monitoring is continuous).
B2782-15 Power Source Control System Circuit Short to Battery or Open Noise in the LIN communication system, etc. ID code box (immobilizer code ECU) DTC Output Confirmation Operation: 
  1. No confirmation operation is necessary (monitoring is continuous).
B279F-1C Steering Lock Confirmation Signal Circuit Voltage Out of Range Noise in the LIN communication system, etc. ID code box (immobilizer code ECU) DTC Output Confirmation Operation: 
  1. No confirmation operation is necessary (monitoring is continuous).
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED

DTC Code Vehicle Condition when Malfunction Detected Fail-safe Function when Malfunction Detected
B2781-96 The engine cannot be started. -
B2782-11
B2782-15
B279F-1C
RELATED DATA LIST AND ACTIVE TEST ITEMS

DTC No. Data List and Active Test
B2781-96
B2782-11
B2782-15
B279F-1C
-