Complaint Review: JP Morgan Chase Auto Recovery

I received a letter from IRS about Cancellation of Debt  that is from JPMorgan Chase Auto Finance National Recovery. When I called Chase to see what this is about. Since I don't remember every having a car finance by them. The person asked me to verify my Socail Security which I did. Then was prompt to ask what was my address on file. I advise the young lady I not even sure what this is. I provided my current address and that is not on file. She the repsonded without the address on file I can't help you.  I have left message for supervisor not call returned. I am just hoping some one could guide me what I need to do to get this resolve. $1.668 is the debt