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Home >> Lexus >> 2021 >> UX 200 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Smart Access System W/ Push-Button Start (Entry Function) (Diagnostic Codes & Symptom Tests) (Hybrid)) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function, HV Model) >> Back Door Entry Unlock Function does not Operate [10/2018 - ] >> Description

Back Door Entry Unlock Function does not Operate [10/2018 - ]: Description

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.

If the entry unlock function does not operate for the back door only, but the entry lock function operates, the request code is being transmitted properly from the back door. In this case, there may be a problem related to the open switch (connection between the back door opener switch assembly and certification ECU (smart key ECU assembly)).

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