Most lenders will be candid with you. If you aren’t qualified, they’ll let you know why, what you need to do to get qualified, and if adding a cosigner would get you approved.
Unfortunately, some lenders might see the derogatory mark on your credit score and decide to deny you—especially online lenders who use an automated system to assess creditworthiness. In this case, you may want to keep your debt utilization to a minimum, pay off any other delinquent accounts, and try again.