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Home >> Lexus >> 2021 >> UX 250h Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (Smart Access System W/ Push-Button Start (Entry Function) (Diagnostic Codes & Symptom Tests) (Except Hybrid)) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function, Gasoline Model) >> Entry Lock Function does not Operate Using Close & Lock Function [10/2018 - 07/2022] >> Description

Entry Lock Function does not Operate Using Close & Lock Function [10/2018 - 07/2022]: Description

WARNING: This page is about a different car, the 2022 Lexus UX 200, 2021 Lexus UX 200, 2020 Lexus UX 200, and 2019 Lexus UX 200. However, it is still accessible from the selected car via links, so may be relevant.

If the back door does not lock when using the power back door close and lock function, there may be communication problem between the certification ECU (smart key ECU assembly) and multiplex network door ECU.

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