Question:

2013 Prius with fob fcc id: hyq14acx
IC:1551a-14acx
DENSO 14ACX. Customer has original key, can vvdi prog and vvdi key tool renew/erase/write/create working second key fob with used key fob?

Answer:

you can do it with mvp or skp900, if it’s a used key you’re using do a reset immobilizer, and when you’re adding the key use you’re key first not the customer’s otherwise is not going to take it. If the key is new or clean you can just add it, 2 minutes job, also you can clean the key with the vvdi2

(Credits to Juan M DF from the Xhorse group)