Another possibility. Over the last year our garage door remotes for both Teslas (2012 and 2016) and three different openers became iffy. Reprogrammed/reset openers, original remotes, car remotes. Still same problem.
Found that if the garage door light was on the remotes wouldn't work. Didn't matter whether it was Tesla Homelink remote or original remote for opener. Worked fine if light was off.
For a while we would have to pull out of garage, get out of car, walk back in and turn off light, walk out of garage making sure to not trigger garage door sensor (that would turn light back on), then close door with Tesla remote. It was a funny dance to watch each day
I originally thought it was the newer light bulbs (LED/fluorescent bulbs) causing RF interference. Replaced with incandescent. Still same problem. Removed light bulbs completely. Still same problem (even if there was no bulb in socket the remote would not work if light circuit was on). Unplugged everything on same circuit. Still same problem.
My conclusion was that the opener remote receiver was receiving RF interference from other electronics in the house. It only was interfering when the light circuit was acting as an active path/transmitting loop for the interference to get to the opener receiver. Tried a filter on the power supply to the garage door opener. No joy.
Finally bought a newer external receiver with better RF characteristics (
https://www.amazon.com/dp/B0071EYS9M/) and a compatible remote to program the receiver and Tesla Homelink. Since then it has been working perfectly, 100% of the time
