A software error prevents the illumination of trailer brake lights.
Trailer brake lights that fail to illuminate during braking increase the risk of a crash.
What to do
Tesla will notify owners, and has released the firmware update over-the-air (OTA) to vehicles as of September 23, 2020.
Owners may contact Tesla customer service at (605) 882-4000. Tesla's number for this recall is SB-20-00-002.