A federal auto safety agency said the technology can cause crashes, but said the company was unaware of any deaths or injuries caused by the flaws.
Workers backing a push for better wages and working conditions were among those illegally laid off, members told the National Labor Relations Board.
An agreement with the White House to allow electric cars made by other automakers is part of a broad drive to improve charging and increase sales of battery-powered vehicles.
Missy Cummings, who spent more than a year at the federal auto safety agency, said that drivers were putting too much trust in systems like Tesla’s Autopilot and that regulators needed to restrict their use.
If successful, the workers who help develop Tesla’s Autopilot driver-assistance system would be the first group at the company to organize.
Competition, government incentives and falling raw material prices are making battery-powered cars more affordable sooner than expected.
Already two years behind schedule, the Cybertruck has experts wondering how the company will manufacture its unusual stainless steel “exoskeleton.”
The case centers on whether investors lost money because they believed Mr. Musk’s social media posts about taking Tesla private in 2018.
A regulatory filing says officials have asked about software that Elon Musk, the chief executive, has said would allow cars to operate autonomously.
The automaker reduced the price of the Mustang Mach-E by up to $5,900 after Tesla slashed prices of its cars by as much as 20 percent.