LiftMaster 377LM Garage Door Opener Wireless Keypad remote will not learn new 4 digit code. How can I reset the actual keyless remote?
Press and immediately release the smart/learn button and walk over to the keypad and key in your 4 digit code and press enter. If this doesn't do the job your keypad is probably bad.
The key here is what Don says "press and immediately release." I had been following the manufacturer instructions which say press and hold. Then I would go over to the key pad, try to program it, and it wouldn't work. I read Don's post and thought, "Hmmm, I wonder if I just quickly pressed the 'learn' button on the motor unit what would happen?" It worked. Thanks Don!
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