Some Owners Say Tesla's New FSD Update Is Causing Their Cars' Computers To Overheat

The Story

Some Tesla owners running FSD V14 Lite claim the update is causing issues, including overheating and computer failures.

Tesla’s fleet of cars equipped with HW3 and Full Self-Driving may be experiencing some issues. Some owners report that the new version of Tesla’s software is overheating their Autopilot computers. Some report getting locked out of FSD, or even hardware failures.

Some Tesla owners are reporting that their Autopilot computers—the hardware responsible for running Tesla’s Full Self-Driving (Supervised) software—are having issues. Specifically, owners of cars with Tesla’s last-gen Hardware 3 computers are reporting temporary failures that render FSD unusable for a period of time, while others say that the boards are failing outright. The…

Some owners on X report that their cars’ computers have reached as high as 102 degrees Celsius (215-degrees Fahrenheit) since updating to Tesla’s new FSD V14 Lite. For reference, that’s about double the idle temperature of the car computer. Even Nvidia’s flagship H100 datacenter GPU has a maximum temperature limit of 87-degrees—so 102-degrees is hot. Just like your home…

Now back to the problem. Tesla’s system is set to force a disengagement of FSD when the computer exceeds 90 degrees. It also makes sure that the software stays locked out until the computer cools off. Some who have experienced issues have gone into the service mode in their cars and found an overheating problem. Others have shared issues with FSD becoming unavailable since…

Why It Matters

Tesla’s system is set to force a disengagement of FSD when the computer exceeds 90 degrees.

CarMotion Daily’s Take

Tesla is even planning to double the memory in its refreshed HW4 “plus” hardware, meaning that HW3 owners will be left with one-fourth of the total available memory compared to modern Teslas. Watch this space over the coming weeks.