Error code:103-1002
Here's the solution to solve the problem.
1. Check your internet IP address. If the Wii-U is having trouble connecting try entering the IP address manually and the DNS manually.
2. Check the password to see if you entered it correctly. You may be using a T1 trunk Lindsey to security.
3.Finally check for outside interference, such as microwaves, smartphones, or other devices. If this still dosen't help, call Nintendo at 1800-255-3700 for assistance. Hope this helps.
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