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Home >> Lexus >> 2021 >> ES 250 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Smart Access System (For Start) (Except Hybrid) - Symptom Tests >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function, Gasoline Model) >> Additional Key cannot be Registered [09/2022 - ] >> Description

Additional Key cannot be Registered [09/2022 - ]: Description

If additional registration is not possible, a malfunction of the electrical key transmitter sub-assembly, certification ECU (smart key ECU assembly), engine switch, No. 1 indoor electrical key antenna assembly (front floor) or door control receiver is suspected.