If you think someone knows the code to open your garage door or your remote has been stolen, it is time to change the code on your garage door opener. You can give the access code to family members who don’t need to carry a remote control around with them. How to Change Code for Garage Door Opener. If you run into a situation where you or one of your home’s residents forget your LiftMaster garage door code or need to reset your LiftMaster garage door keypad or keyless remote for any other reason, follow these steps. That's simple. Resetting your keyless remote is simple. Lear button can have a different color usually located on the back or side cover of your opener. I only have 1 remote control and no keypad or any other controller. Hopefully you'll have the door open in no time. In order to reset a standard set of codes on your LiftMaster garage door opener, all you have to do is press and hold a learn button for about 10 seconds, until a small LED light located beside it turns off. The Part Number is 41A502-1H-315 I need to reset the code on the main unit and the remote control. Resetting your garage door opener code is an essential knowledge for every homeowner. Reset Your LiftMaster Garage Door Opener Keypad or Keyless Remote. I was able to find an expert specking upon how to reset the code. No cause of alarm, you are not the only one that has forgotten the pass code to the garage door opener. How to Reset Your Keyless Remote . In addition to that, stolen remotes also require you to reset your garage door opener. The keyless pad on your LiftMaster garage door opener is a secure method to gain access to your garage when you don’t have a remote control handy. Title: Reset Garage Door Keypad Code PIN & Remote Control Opener. How to Reset Standard Liftmaster Codes. How do I reset the codes on a Chamberlain Liftmaster Professional Electric Garage Door Opener. Read below for LiftMaster garage door opener problems and troubleshooting tips and techniques: Remote or Keypad Not Responding Consistently. When this happens, you must reset your garage door opener code to get things working again. There will always be situations where this will come in handy. by Manage My Life. January 24th, 2011.