Here in Maine, we've just gotten a serious cold wave. It was -16 degrees. When I started to back out of the drive, the backup alarm went on continuously.
I could shift in and out of reverse and turn the alarm on and off. Went to the Ford garage and it did it for them too. I was there for a couple of things and
by the time they got to looking at the alarm issue, it wouldn't do it any more. They looked for an error code in the computer but there was none. They
parked the van outside again, I tested it, everything is fine. We figured the cold did it and the time in the garage warmed it up and maybe it wouldn't do it anymore.
But by the time I got home in ten minutes, the alarm was back when in reverse. Backing up my drive never seemed so far as when that thing is wailing.
Any bright ideas as to what is going on. I'll be calling Ford in the morning. Now it is 5 degrees out.