A communication error may cause false forward-collision warnings (FCW) or unexpected activation of the automatic emergency brake (AEB) system.
Unexpected activation of the AEB system may cause the car to stop suddenly, increasing the risk of a crash.
What to do
Tesla Service has released an over the air (OTA) software update free of charge. Owner notification letters are expected to be mailed on December 28, 2021.
Owners may contact Tesla customer service at (877) 798-3752. Tesla's number for this recall is SB-21-00-004.