This issue can be caused by numerous things, but oftentimes the switch in the door jamb will go bad before anything else. The parts are typically very cheap and of low quality.
Because they are exposed to the most wear and tear, they are likely to fail first. It is a good idea to have a diagnosis performed or to do one yourself to determine which part is failing. Below are some examples of malfunctions that may cause this problem.
Watch the video or follow our step-by-step guide to learn how to remove and replace the door jamb switch on a 2019 Mitsubishi Outlander. Do this inexpensive repair yourself to save time and money!
Common causes of the door open warning light staying on:
- Faulty door jamb switch
- An electrical component such as the wiring has a short or open
- Doors are sagging or out of alignment
What you will need
- First, locate which door is signaling that it is ajar on the dash.
- Find the door jamb switch located around the middle of the door jamb.
- Remove the Phillips head screw from the top of the switch.
- Pull the switch out of the door jamb.
- Pull the wiring out so that the connector is exposed outside of the door jamb.
- Disconnect the electrical connector by pressing the tab on the back and pulling it out, be careful not to lose the wiring in the door jamb or you will have to remove the trim on the inside of the vehicle to be able to push it back through.
- Reinstall a new door jamb switch, reverse the removal procedure.
- Make sure the new switch works, the door ajar warning should go away with the door closed, you are all done!
Can I drive with a door ajar light on?
In most cases, it is okay to drive with the door ajar light on. Make sure all entry points are secure and make sure the interior lights are not staying on. If the lights are on, it may not be a good idea to drive as this could drain the battery and leave you stranded.
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