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 remove dashboard.
No need to change fuse box.
This function requires Yaris 4A software license activation.
Note: Please pay to query rolling code from local distributor/3rd party！
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.
Where to get Toyota rolling code?
From toyotarollingcodes.com or fleetkeysupply.com. $15 for 1 rolling code.
For push-to-start smart key, Londsor will also do 2021- Yaris smart key programming (both add key and all keys lost).
