Here comes the common problem of Renault Kadjar 4A smart card with Autel IM508/IM608 or other tools. Example: Renault Kadjar 2017 Add key (aftermarket 4a card), i have battery support 14V from another tuning car. I want to immo status scan, Clear DTC, then ESC,
Go to: Immobilizer – remote Control learning, Then -> START Tried to read pin and shows failure Back to: immo status scan, and then looks like UCH is blank. It wipes the keys when you read the pin. Now the original key doesn’t work either. 0 cards and UCH unlearned.
Solution: It also deletes the original key. Try once again ‘Add key’ procedure. Go back to immo status scan, clear DTC and try once again – immobilizer – remote learning – key learning and execute “Add key” procedure.
You need battery support 14V. And then everything was ok, made dealer key and successfully learned 2 cards. Check: Autel IM508/IM608 Renault Talismans Clio4 Megane 4 Kadjar Tips How to Get PIN Code when Bricks Renault 2015+ 4A System UCH?