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Copied and pasted from your other thread as it looks like you double-posted.
Did you pull your codes? You should be able to clear codes and the light will go off if it's just a fluke. If there's something wrong the code/light will just come back.
Did you make sure the new battery was fully charged (should read 12.7-12.9v)? If not clear your codes and fully charge the battery and see if that fixes your issue. If your battery is too low it can throw all sorts of codes.