A door ajar sensor is a security characteristic that alerts you when a door will not be 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 will not be working correctly, you will not be alerted when a door is open, which may result in a security hazard or harm to your truck.
There are a number of explanation why the door ajar sensor will not be working correctly. One risk is that the magnet within the door jamb will not be aligned correctly. One other risk is that the sensor itself is defective. You may attempt to repair the sensor your self by following these steps:
