Tesla confirms hardware retrofit limits
- Tesla said on April 22 that Hardware 3 vehicles cannot run unsupervised Full Self-Driving, ending a years-long claim that those cars had enough hardware. - Elon Musk said Tesla will need new computers and cameras for affected cars, likely through dedicated “microfactories,” with trade-in discounts also under consideration. - Tesla is splitting its autonomy roadmap between retrofits, lighter software, and newer hardware. (tesla.com)
Tesla has now said plainly that Hardware 3 cars cannot do unsupervised Full Self-Driving. The admission came during Tesla’s April 22 first-quarter 2026 earnings update and Q&A. (tesla.com 1) (tesla.com 2) That matters because Tesla sold Hardware 3 vehicles from 2019 onward while saying they had the hardware needed for full self-driving. On the April 22 call, Elon Musk said Hardware 3 “simply does not have the capability” for unsupervised driving. (driveteslacanada.ca) (insideevs.com) Musk said Tesla’s fix will require more than a software patch. He said the upgrade path would involve a newer self-driving computer and new cameras, and he floated dedicated “microfactories” in major metro areas to handle the work. (insideevs.com) (driveteslacanada.ca) Tesla also signaled that not every owner will get the same remedy. Musk said the company is considering trade-in discounts for some Hardware 3 owners instead of retrofitting every existing car. (teslarati.com) (driveteslacanada.ca) The split reflects a basic hardware problem. Tesla’s current support page still describes upgrade programs for older 2.0 and 2.5 computers moving to Hardware 3, but it does not offer a public Hardware 3-to-Hardware 4 retrofit path. (tesla.com) Tesla is also trying to keep Hardware 3 useful even if it never becomes autonomous. Coverage of the April 22 call said Tesla still plans a “V14 Lite” software release for Hardware 3 in June 2026, a trimmed version of newer Full Self-Driving software. (notateslaapp.com) (driveteslacanada.ca) At the same time, Tesla is moving ahead with newer autonomy hardware. During the same earnings call, Musk said Tesla is planning an “AI4 Plus” or “AI4.1” upgrade that would double RAM from 16 gigabytes to 32 gigabytes per chip, or 64 gigabytes total. (electrek.co) Tesla’s quarterly update showed the company is already putting that newer stack to work. The deck said Tesla launched unsupervised Robotaxi rides in Dallas and Houston in April and prepared lines for the start of Cybercab production. (tesla.com) That leaves Hardware 3 owners in a narrower lane than Tesla once promised. Their cars may keep getting supervised driving updates, but Tesla’s own latest roadmap puts unsupervised driving on newer hardware and on whatever retrofit program Tesla can actually build. (tesla.com) (driveteslacanada.ca) The next test is execution, not rhetoric. Tesla has said Hardware 3 needs new parts, new facilities, or a discounted exit into a newer car; owners are still waiting to see which option becomes real first. (insideevs.com) (teslarati.com)
