The United States is now blocking Chinese-made software from cars sold in America. The rule started in March 2026 and covers new cars from the 2027 model year onward.

The government says the reason is national security. Modern cars collect a lot of data — where they go, who's inside, how they drive. If that data flows back to China, it could pose risks. Unlike a phone, which is used by one person, a car is part of a huge fleet, and combining data from millions of vehicles is harder to control or keep private.

Who Wins and Who Loses

Volvo got permission to keep selling cars with Chinese software in America. The government approved this in May 2026. That shows the new rules have a way for companies to get a pass if they can prove their software is safe.

Ford is having a tougher time. Ford makes its software in America, which is allowed. But it installs that software inside cars that are built in China. That Chinese manufacturing location means Ford has to get a special license, even though the software itself is American. It's an unexpected twist in the rule that nobody fully anticipated.

Polestar, a car brand owned by a Chinese company, is in the worst spot. All its cars are made in China, and the software is deeply tied to Chinese systems. The company warned the government back in October 2024 that the ban would pretty much stop it from selling cars in America — and that's exactly what happened. Polestar has no way to quickly swap out its software to comply.

The Rule Is Staying Put

In April 2026, the US Trade Representative said the rules are not changing and are not under review. That closed the door on automakers hoping to lobby for relief. Companies now have to figure out how to follow the rules.

What makes this different from a tariff is important to understand. A tariff makes cars more expensive, and companies can absorb the cost or raise prices. This rule is a hard yes-or-no: either a car complies, or it cannot be sold. Companies cannot just pay more to get around it.

Automakers building new cars will probably separate their Chinese software from their American software at the basic design level, not just put different software into the same car after it is built. That is a big engineering job that takes years to do right.

Right now, we are early in how this rule is being enforced. The government will soon have to make decisions about trickier cases — like cars that mix Chinese and American software components, or software that is updated from different countries. Those decisions will determine whether the licensing process becomes a practical option for more automakers or whether it becomes a wall that keeps many cars off American roads.