I have been having the same issue not being able to clear the Fdl code. I tried all of the suggestions. No luck. Out of desperation and frustration I started trying different sequence button pushing. After about 15 min of button pushing, I was extremely close to taking a sledge hammer to the buttons. I took a deep breath and tried another sequence. I pushed both the "Start button" and the "Pause Cancel button" at the same time and held them down and about 30 to 40 seconds later it cleared.