Change Your Chamberlain Code in Three Steps

To change the code on a Chamberlain garage door opener, you enter the current code, press the learn button on the motor unit, then enter and confirm your new code. The exact steps depend on whether you have a keypad, a remote, or a smart home system — but all three routes take fewer than five minutes and require no tools.

Most Chamberlain models store one master code and up to three additional codes. If you have forgotten your current code, you will need to reset the opener to factory settings, which erases all codes and requires you to reprogram from scratch. This is a one-time process that takes about ten minutes.

Key Takeaways

  • Changing a code on a Chamberlain keypad or remote requires pressing the learn button on the motor unit and entering your new code twice to confirm it.
  • Chamberlain openers can store up to four separate codes, so you can give different codes to family members or service providers.
  • If you forget your code, you must reset the opener to factory settings, which clears all stored codes and requires reprogramming.
  • Smart home systems like myQ use app-based codes that you change through the Chamberlain app, not on the physical opener.

Changing a Code on a Chamberlain Keypad

If your Chamberlain opener has a wall-mounted keypad, press the learn button on the motor unit itself — it is usually a small button on the back or side of the unit, sometimes labeled "Learn" or marked with a light. The light on the button will glow or flash. You have thirty seconds to complete the next step.

While the light is on, enter your current four-digit code on the keypad, then press the pound sign (#). The light will turn off or flash again. Enter your new four-digit code, press the pound sign, then enter the same new code a second time and press the pound sign again. The light will flash or stay steady to confirm the change. Test the new code by entering it and pressing the pound sign — the door should respond.

If the light does not respond or the code does not work, the thirty-second window may have closed. Return to the motor unit, press the learn button again, and repeat the process more quickly. Some older Chamberlain models use a slightly different sequence — check the label on the back of your keypad or the manual for your specific model.

Changing a Code on a Chamberlain Remote Control

Remote controls on Chamberlain openers do not store codes the way keypads do. Instead, the remote sends a rolling code — a unique signal that changes each time you press the button — to the motor unit. You cannot change this code manually. If you want to prevent someone from using an old remote, you must erase it from the opener's memory.

To erase a remote, press the learn button on the motor unit until the light turns off (this usually takes three to six seconds). This clears all remotes from memory. Then press the learn button again briefly — the light will glow. Within thirty seconds, press any button on the remote you want to keep. The light will flash to confirm. Repeat this step for each remote you want to use. Any remotes you do not reprogram will no longer work.

Resetting to Factory Settings If You Forgot Your Code

If you cannot remember your current code, you must reset the opener to erase all codes and start over. Locate the learn button on the motor unit and press and hold it for ten to fifteen seconds until the light turns off completely and stays off. This clears all stored codes, all remotes, and all keypad entries.

After the reset, the opener will not respond to any code or remote until you reprogram at least one. Press the learn button briefly — the light will glow. Within thirty seconds, enter a new four-digit code on your keypad and press the pound sign twice, or press a button on a remote you want to use. The light will flash to confirm. You can now add up to three more codes or remotes using the same process.

Write down your new code and store it somewhere safe. If you forget it again, you will need to repeat the factory reset, which means any other codes or remotes you have set up will stop working until you reprogram them.

Changing Codes on a Chamberlain Smart Garage Door Opener

If you have a Chamberlain smart opener like the myQ-enabled models, you do not change codes on the physical unit. Instead, you manage access through the Chamberlain app on your phone. Open the app, select your garage door, and look for a "Users" or "Access" section. From there, you can add new users, remove old ones, or change permissions for existing users.

Each user can have their own login credentials or a unique PIN that works only on that door. The app lets you see who opened the door and when, and you can revoke access when ready without touching the opener itself. If you want to change your own app password, go to your account settings within the Chamberlain app and select "Change Password."

What to Do If Your Code Is Not Working

If you enter a code and the door does not respond, first check that you are using the correct code and that the keypad light is on. If the light is off, the keypad may not have power — check that it is wired correctly or that batteries are fresh. Press the learn button on the motor unit; if nothing happens, the motor unit itself may have lost power.

If the light is on but the code still does not work, the code may have been erased. This can happen if the motor unit lost power for an extended time or if someone else reset it. Return to the motor unit, press the learn button, and reprogram your code using the steps above. If you have a remote that still works, you can use it to open the door while you reprogram the keypad code.

Storing Multiple Codes for Different Users

Chamberlain openers store up to four separate codes. You might use one for yourself, one for a family member, one for a service provider, and one as a backup. Each code is independent — changing one does not affect the others.

To add a second code, press the learn button on the motor unit until the light glows. Within thirty seconds, enter your new four-digit code on the keypad and press the pound sign twice. The light will flash to confirm. Repeat this process for each additional code you want to store. If you want to erase a specific code without resetting the entire opener, you will need to contact Chamberlain support or consult your manual, as most models do not have a way to delete individual codes — only to add new ones or reset everything.

Frequently Asked Questions

Can I change my code without knowing the old one?

No. If you do not know your current code, you must reset the opener to factory settings, which erases all codes and remotes. After the reset, you can create a new code from scratch. This is a safety feature to prevent unauthorized access.

How many codes can I store at once?

Most Chamberlain openers store up to four codes. Each code is four digits and works independently. If you need more than four codes, you may need to use a smart opener with the myQ app, which can manage multiple users through your phone.

What if I lose power — will my code still work?

Yes. Chamberlain openers store codes in non-volatile memory, so they survive power outages. Your code will still work after the power returns. However, if the power is out for a very long time or the battery backup is depleted, the codes may be erased.

Can I change my code remotely through the app?

Only if you have a smart Chamberlain opener with myQ. Standard openers require you to be at the keypad or motor unit to change codes. Smart openers let you manage access entirely through the app on your phone.

What should I do if someone has my old code?

If you are concerned about unauthorized access, reset the opener to factory settings and create a new code. This erases the old code completely and prevents anyone who had it from opening the door. You will need to reprogram any remotes or keypads you want to keep.