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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 129 (Smart Key System (For Start, HV) - Symptom Tests (2 Of 2)) >> SMART KEY SYSTEM (for Start Function, HV Model) >> New Key Registration Warning Message is not Displayed [11/2023 - ] >> Description

New Key Registration Warning Message is not Displayed [11/2023 - ]: Description

WARNING: This page is about a different variant/trim than selected.

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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