Thursday, January 8, 2026

Lonsdor K518 Update Toyota Yaris 2021- 4A Blade All Keys Lost via OBD

 Lonsdor K518 series released a super update on Jan. 9th, 2026.

Update

Toyota Yaris (2021-) 4A Mechanical Key
Support All keys lost by OBD.
Menu path:Toyota\Select from vehicle\Asia\Yaris\2021-\Mechanical key(4A)

Regular key type. 

Chip type is 128-bit id4A

Toy43 blade

No need to change fuse box.

Note: Please pay to query rolling code from local distributor!

This function requires Yaris 4A software license activation.

Confirm if you are doing all keys lost procedure, and note the following:

Check the dashboard (the dashboard lights must be off).

Check the center console (the display should show no signs of operation) – this indicates all keys have lost.

Ensure only our device is connected to the OBD port, with no additional data collection tools attached.

Lonsdor K518 Update Toyota Yaris 2021- 4A Blade All Keys Lost via OBD


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