Question about Ford Expedition
I have a 2010 Ford Expedition and the panic or vehicle alarm goes off for no apparent reason when parked. It happens about twice aday now...
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Posted on Jan 02, 2017
Hello, I had the same problem with my 2001 Maxima. The dealer suggested new key fobs, but the eventual fix was the car battery. When the battery is on the way out, the voltage drop is enough to set it off, just as it would if there was a voltage spike when someone breaks in. I have no problems now!
Posted on Oct 13, 2008
I had the same problem on my 1997 F-150. It was an Aftermarket Alarm. (Varmit) The problem is that the Mercury switch is failing inside the alarm box, underdash. Lightning will set it off. The Fix;
Take the truck to an any aftermarket alarm seller and replace only
"THE BOX". No other parts need replacement. Don't let them sell you anything else. Should be approx. $100.00 at the most.
Posted on Dec 23, 2008
If you are close to the truck when it happens, try removing the battery from the remote. Some times when remotes are worn, they can send out a constant signal setting off the alarm, unlocking the doors and so on. I would try that first. If it stops, then you verified the remote is the problem
Posted on Jul 21, 2009
On another vehicle I have had, a slowly failing battery that would have its charge fall below 12 volts when parked overnight, would cause the alarm to go off. The alarm sensor would read that some kind of electric signal was drawing current, as if the door was open and no alarm release signal was received, so the alarm would go off in the middle of night as if a break in occurred.
Posted on May 02, 2010
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