DSD Information System
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 cannot be Registered [12/2019 - 10/2021] >> Description

New Key cannot be Registered [12/2019 - 10/2021]: Description

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

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 (immobilizer code ECU) or door control 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 [12/2019 - 10/2021] 

HINT: 

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