Check engine light question

[IowaTahoe]

2002 Tahoe, I changed the battery and after that the check engine light is on. Anyone see this happen after a battery change? Curious what it will say when I get it scanned.

 

[rigo_jones]

just have it scanned for codes and ull go from there. there isnt away to find out unless u get it scanned and see what hurts.