A federal agency's investigation of problems with Tesla's Full Self-Driving just took a significant step forward. It could become a big problem for the stock.

The National Highway Traffic Safety Administration has closed a defect petition covering about 2.26 million Tesla vehicles after determining the issue raised was addressed by a prior recall. The ...

Investigation now covers 3.2 million vehicles as regulators examine crashes tied to reduced camera performance.

The National Highway Traffic Safety Administration (NHTSA) has escalated an investigation into Tesla's Full Self-Driving (FSD ...

National Highway Traffic Safety Administration officials deepened their probe of Tesla’s driver-assistance system after the ...

NHTSA is reviewing how Tesla's FSD reacts in low visibility conditions.

The NHTSA found that Tesla's one-pedal driving wasn't the cause behind claims of unintended acceleration, marking it safe from a potential recall.

Tesla’s Full Self-Driving system is facing an expanded investigation by the National Highway Traffic Safety Administration ...

The National Highway Traffic Safety Administration (NHTSA) intensified its investigation into Tesla’s Full Self-Driving (FSD) technology Wednesday, moving from a preliminary evaluation to an ...

The National Highway Traffic Safety Administration (NHTSA) has released a sweeping series of recall notices affecting a vast range of vehicles, from ...

Elon Musk‘s Cybercab goals may have gotten a major boost as the National Highway Traffic Safety Administration (NHTSA) has ...

Known to the industry as “sudden unintended acceleration,” the question for regulators is whether the problem is a human one or an engineering one, and over the years, engineers who think they’ve ...