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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Smart Access System (For Start) - Diagnostic Codes (2 Of 2) & Symptom Tests) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function, except Gasoline Model) >> Immobilizer System does not Operate Properly [09/2023 - ] >> Description

Immobilizer System does not Operate Properly [09/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 550h+ and 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.

The immobilizer function compares the ID code that is registered in the certification ECU (smart key ECU assembly) with the ID code of the transponder chip that is embedded in the electrical key transmitter sub-assembly.

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