How to Change Garage Door Opener Code: [Liftmaster and Chamberlain]

Forgot your garage door opener code but need to change it?

You’ll find everything you need below, if you have a Chamberlain or Liftmaster garage door opener, you’ll also find instructions for that as well.

How to Change Your Garage Door Code from the Outside

If you know the code for your keypad already but simply want to change it, follow the steps below.

Step 1

Enter the existing code on your garage door keypad then hit #.

Step 2

Enter in the new code that you’d like to use and hit “Enter”.

Step 3

Test your new code.

How to Reset Garage Door Opener

If you don’t know the garage door opener code or have moved into a new home, you’ll find out how-to below. You will have to program your garage door opener remote again, so be aware of that.

Step 1

Get a ladder and go to the back of your garage door opener.

Step 2

Take off the light cover and find the “Learn” button. Every garage door opener has one of these, so refer to your manual if you can’t find it.

Step 3

Hold down the Learn button and you’ll see an LED light go on. You’re going to hold it until the light goes out.

Step 4

Now you can reprogram your garage door keypad and remote with new codes.

How to Change the Code on a Chamberlain Garage Door Opener

If you have a chamberlain garage door opener, you can use the instructions below to program your keypad.

Step 1

Enter the four digit garage door code on your keypad.

Step 2

Hit the # button and the light will blink twice

Step 3

Now you can enter your new code

Step 4

Test your new garage door keypad code.

How to Change Garage Door Opener Code LiftMaster

If you have a liftmaster garage door opener, you can use the instructions below to program your keypad.

Step 1

Find the learn button on the back of your Liftmaster garage door opener. It should be purple or red.

Step 2

Hold down and release the learn button after a few seconds.

Step 3

Go to your keypad within 30 seconds and enter the new four-digit code. Hit enter after you finish.

Step 4

Test your new code.

Nothing working?

It might be time to find the best garage door keypad to replace your faulty one.

About Roy Cohen

I'm Roy, founder of Hack My Garage. I started out like most not knowing how to hammer a nail, but now I know more than most people about home improvement and DIY. I want to spread my wealth of knowledge with the world and hope to make it a better place.