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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) >> New Key Registration Warning Message is not Displayed [09/2023 - ] >> Description

New Key Registration Warning Message is not Displayed [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.

If the new key registration warning message is not displayed after an electrical key transmitter sub-assembly has been registered, there may be communication problem between the certification ECU (smart key ECU assembly) and combination meter assembly (meter ECU).

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