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Home >> Lexus >> 2019 >> UX 200 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Smart Access System W/ Push-Button Start (Start Function) (Symptom Tests) (2 Of 2) (Except Hybrid) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function, Gasoline Model) >> New Key cannot be Registered [10/2018 - 07/2022] >> Description

New Key cannot be Registered [10/2018 - 07/2022]: Description

If a new electrical key transmitter sub-assembly could not be registered, wave interference or a malfunction of the certification ECU (smart key ECU assembly), electrical key transmitter sub-assembly, steering lock ECU (steering lock actuator or upper bracket assembly), ID code box (immobiliser code ECU) or electrical key and TPMS receiver assembly is suspected.

The registration procedure to add another electrical key transmitter sub-assembly (without replacing any parts) is called "additional key ID registration".

If additional registration is not possible, refer to Additional Key cannot be Registered.

Refer to Additional Key cannot be Registered [10/2018 - 07/2022] 

HINT: 

If any of the following have been performed, registration of all electrical key transmitter sub-assemblies is necessary: 

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