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key fob problems

  1. S

    2018 Model X 75D Key Fob not working after the battery change

    Hello All, My 2018 Model X 75D 2nd key fob stopped working after key fob battery change and Tesla service (Dallas) wants $250 to re-set it because the car no longer under warranty. It was working fine before the key fob battery change. I have googled much on re-pairing/re-setting with no...
  2. N

    Programming a new Key FOB for Model 2020 Tesla X Series

    I lost Key Fob for my Model year 2020 Tesla X series car, It seems that Model year 2021+ have a different technology for Key Fobs and I am unable to find/order a Key Fob from the Tesla website. So I ordered a new one from eBay and I am not able to find instructions to program the Key Fob. I am...
  3. T

    Key Fobs don't differentiate

    I had to replace one of the original keys early on. I wonder if anyone knows how to to definitively assign the fobs themselves so they are always #1 & #2? I think the car is confused as to which is which as it seems to lose the settings, then the only option is to associate both drivers with...
  4. Padelford

    MCU1 crashes - bad MX day

    This morning, I was greeted with a completely blank, dead MCU1. It had been working fine but sluggish yesterday, but two-scroll-wheel reboots have been taking more than two minutes before today. I tried the reboot this morning, gave it three minutes and gave up. The vehicle took 1-2 minutes...