Here is a tutorial on Toyota Fortuner 2019 8A (H) chip All key lost programming with OBDSTAR X300 Pro4 and Toyota AKL cable. No seed code is required.
Blade key, key shell and chip
Network connection is required during the programming procedure.
Connect P002 adapter, Ford AKL cable with X300 Pro4 and vehicle (OBDSTAR will show connection wiring diagram, or check previous post for more information)
Select Immobilizer- Toyota Lexus Scion V32.55 – Select System – Blade – Type 3- Europe – Read Immo data
Place the indicator light of the start key close to the ignition switch and insert the blade key without chip into the ignition switch,
turn the blade key to start the vehicle
if the vehicle can be started normally, use the start key and the blade key without chip instead of the original vehicle master key for key duplication.