Error Code: 9001-1400
The information in this article can help you if you are unable to make a purchase using a credit card on the official Nintendo website and receive error code 9001-1400.
Important: If you are receiving this error code, it likely indicates that the Nintendo eShop service is undergoing maintenance.
What to do
Check for any maintenance notifications on the Network Maintenance page, then try again after the posted maintenance/service outage has ended.
Situation not resolved
If the error persists, and there is no notice of Nintendo eShop maintenance, wait a while and try again later.