A door ajar sensor is a security characteristic that alerts you when a door just isn’t totally closed. On a 2011 F150, you often see a light-weight on the dashboard or hear a chime. The sensor is positioned within the door jamb and makes use of a magnet to detect when the door is closed. If the sensor just isn’t working correctly, you might not be alerted when a door is open, which might result in a security hazard or injury to your truck.
There are a number of the explanation why the door ajar sensor might not be working correctly. One chance is that the magnet within the door jamb just isn’t aligned correctly. One other chance is that the sensor itself is defective. You may attempt to repair the sensor your self by following these steps: