2020 Ford Expedition: How to Turn Off Interior Lights

If your 2020 Ford Expedition’s interior lights won’t turn off, you’re not alone. This is a common problem that can be frustrating and inconvenient. But don’t worry, there’s a simple fix.

In this guide, I’ll walk you through the steps to troubleshoot and fix the problem. I’ll also provide some tips on how to prevent it from happening again.

So if you’re ready to get your Expedition’s interior lights back under control, keep reading!

Reasons Why 2020 Ford Expedition Interior Lights Won’T Turn Off

Here are the reasons:

Interior Light Switch Defect

The interior light switch may be stuck in the on position, preventing the lights from turning off. To check for this, try to manually toggle the switch between the on and off positions. If the switch is stuck, it will need to be replaced.

Wiring Fault

A wiring fault could be causing the interior lights to stay on. To check for this, inspect the wiring harness for any damage or corrosion. If you find any damage, it will need to be repaired or replaced.

Body Control Module (BCM) Fault

The BCM is responsible for controlling the interior lights. If the BCM is faulty, it could cause the lights to stay on. To check for this, a scan tool will be needed to read the BCM codes. If there are any BCM codes, they will need to be diagnosed and repaired.

Other Causes

Other causes of interior lights that won’t turn off could include a faulty door switch, a faulty dome light, or a faulty fuse. To diagnose these problems, a multimeter will be needed to test the electrical system.

How to Troubleshoot: 2020 Ford Expedition Interior Lights Won’t Turn Off

The interior lights in your 2020 Ford Expedition are an important safety feature. They allow you to see inside the vehicle at night, and they can also help you find your way in the dark. If your interior lights won’t turn off, it can be a major inconvenience. It can also be a safety hazard, as you may not be able to see clearly inside the vehicle at night.

There are a few different things that could cause your interior lights to stay on. It could be a simple problem, such as a blown fuse or a faulty switch. Or, it could be a more serious problem, such as a short circuit in the wiring.

To troubleshoot the problem, you will need to first identify the cause. This guide will walk you through the steps of troubleshooting the problem, so you can get your interior lights working again.

Step 1: Check the fuses

The first thing you should do is check the fuses. The interior lights are powered by a fuse in the fuse box. If the fuse is blown, it will prevent the lights from turning on.

To check the fuse, you will need to locate the fuse box. The fuse box is usually located under the dashboard or in the engine compartment. Once you have located the fuse box, open it up and find the fuse for the interior lights. The fuse for the interior lights is usually labeled interior lights or dome lights.

To check the fuse, use a multimeter to test the continuity of the fuse. If the fuse is blown, it will have no continuity. If the fuse is not blown, it will have continuity.

If the fuse is blown, you will need to replace it with a new fuse that has the same amperage rating. You can purchase fuses at most auto parts stores.

Step 2: Check the switches

If the fuse is not blown, the next thing you should check is the switches. The interior lights are controlled by a switch on the dashboard. To check the switch, you will need to turn the switch on and off. If the lights do not turn on or off when you press the switch, the switch is faulty and will need to be replaced.

You can also check the switch by using a multimeter to test for continuity. To do this, connect one lead of the multimeter to the positive terminal of the switch and the other lead to the negative terminal of the switch. If the switch is working properly, there will be continuity between the two terminals. If there is no continuity, the switch is faulty and will need to be replaced.

Step 3: Check the wiring

If the fuse and switches are not the problem, the next thing you should check is the wiring. The wiring for the interior lights runs from the fuse box to the lights themselves. If there is a short in the wiring, it could prevent the lights from turning off.

To check the wiring, you will need to use a multimeter to test for continuity. To do this, you will need to follow the wiring from the fuse box to the lights. If there is a break in the wiring, there will be no continuity. If there is continuity, the wiring is good.

If you find a break in the wiring, you will need to repair the break or replace the wire. You can purchase wire at most auto parts stores.

Step 4: Reset the computer

If you have checked the fuses, switches, and wiring and you are still having problems, you may need to reset the computer. To reset the computer, you will need to disconnect the battery for a few minutes. Once you have disconnected the battery, reconnect it and start the vehicle. The computer should now be reset.

Conclusion

If you have followed these steps and you are still having problems with your interior lights, you will need to take your vehicle to a qualified mechanic. The mechanic will be able to diagnose the problem and make the necessary repairs.

Also Read: 2020 Ford Expedition Power Running Boards Not Working

FAQs: 2020 Ford Expedition Interior Lights Won’t Turn Off

Why won’t my 2020 Ford Expedition interior lights turn off?

There are a few possible reasons why your 2020 Ford Expedition interior lights might not be turning off. Here are a few of the most common causes:

The interior light switch is stuck: This is the most common cause of interior lights that won’t turn off. To fix this, try turning the switch off and on a few times. If that doesn’t work, you may need to replace the switch.

The interior light fuse is blown: If the fuse for the interior lights is blown, the lights will not turn on or off. To check the fuse, you will need to open the fuse box. The fuse box is usually located under the hood or in the passenger compartment. Once you have found the fuse box, look for the fuse that is labeled interior lights. If the fuse is blown, you will need to replace it with a new fuse.

The interior light wiring is damaged: If the wiring for the interior lights is damaged, the lights may not turn on or off properly. To check the wiring, you will need to have a qualified mechanic inspect the vehicle.

The interior light control module is malfunctioning: The interior light control module is a computer that controls the operation of the interior lights. If the control module is malfunctioning, the lights may not turn on or off properly. To fix this, you will need to have the control module replaced.

How do I turn off the interior lights on my 2020 Ford Expedition?

There are a few ways to turn off the interior lights on your 2020 Ford Expedition. Here are the two most common ways:

Use the interior light switch: The interior light switch is located on the driver’s side door panel. To turn off the lights, simply press the switch down.

Use the remote control: If your vehicle is equipped with a remote control, you can also use the remote to turn off the interior lights. To do this, press the lock button on the remote twice.

What if my 2020 Ford Expedition interior lights won’t turn off even after I’ve tried all of the above?

If your 2020 Ford Expedition interior lights won’t turn off even after you’ve tried all of the above, you should take your vehicle to a qualified mechanic. The mechanic will be able to diagnose the problem and fix it.

How much does it cost to fix 2020 Ford Expedition interior lights won’t turn off?

The cost of fixing 2020 Ford Expedition interior lights won’t turn off will vary depending on the cause of the problem. If the problem is a simple fix, such as a blown fuse, the cost will be relatively inexpensive. However, if the problem is more serious, such as a damaged wiring harness, the cost could be more significant.

How can I prevent my 2020 Ford Expedition interior lights from not turning off?

There are a few things you can do to prevent your 2020 Ford Expedition interior lights from not turning off. Here are a few tips:

Be careful not to bump the interior light switch: If you bump the switch, it could get stuck in the on position.

Check the interior light fuse regularly: If the fuse is blown, the lights will not turn on or off properly.

Inspect the interior light wiring regularly: If the wiring is damaged, the lights may not turn on or off properly.

Have the interior light control module checked regularly: If the control module is malfunctioning, the lights may not turn on or off properly.