If I accidentally wrote a bad check for 2 bills will it cause this?

Question by heyheyy :D: If I accidentally wrote a bad check for 2 bills will it cause this?
Just recently what had happened was I had just got a new account from Mississippi to Louisiana and I had those temp checks. Well I thought I threw away the temp checks from my Mississippi account but, I didn't I used my Mississippi checks to pay the bills. I've paid them again now with my La account but, I just tried to refinance my truck and they turned me down. My credit score was in the mid-600. So

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