Error Code 'F3' in Key Coding or Registration

A. The F3 error code is displayed when vehicle security authentication fails.

A. Please follow these steps, then retry key coding:

1. Make sure your tablet is online (Wi-Fi, LTE, or 5G).
2. Sign out of the diagnostic app.
3. Follow the on-screen guide in the image below to delete the hidden files.
4. Close and reopen the diagnostic app.
5. Sign back in to the app.
6. Try the feature again.

 ※After getting at 📁[XML], please access 📁[HY](Hyundai, Genesis), or 📁[KM](KIA) accordingly.