2015 master warning light

Cta020885

Member
I recently had my battery die on me. Had it tested it was bad so I replaced it with new and installed it. After it had died I got my master warning light illuminating with a message saying 4wd system service required. I currently have a service appointment in to diagnose the issue but am having a hard time spending the $$ for a diagnostic test if a code needs reset.

How can I go about clearing out the warning and message?

Thanks in advance
 
Twenty dollar WalMart code reader. Two buttons, plug it in, hit scan, read code, reset.
 
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