F150 spontaneous alarm activation

Asked by Jan 08, 2016 at 01:01 AM about the 2015 Ford F-150 Lariat SuperCab 4WD

Question type: Maintenance & Repair

Started at about 22,000 miles
Always at night, also noticed an
occas inside dome light comes on
or dash says "door ajar"

2 Answers

6,985

It should be warranty still, the alarm goes off when the truck sees that a door is "ajar" without being unlocked and thinks that someone is breaking into it. One of the latches isn't functioning properly.

1 of 1 people found this helpful.
8,455

Check rubber door seal, it might've came out of the rail or any other obstructions causing your door not to close alltheway and eventually pops out, acting like someone opened it.

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