The investigation aims to determine whether Tesla lied to customers and investors about its vehicles’ autonomous driving capability.

The U.S. Department of Justice is reportedly investigating Tesla Inc. for securities and wire fraud over claims made by the company and Chief Executive Officer Elon Musk about its Autopilot and “Full Self-Driving” features.

U.S. prosecutors are examining whether Tesla committed securities or wire fraud by misleading investors and consumers about its electric vehicles’ self-driving capabilities, three people familiar with the matter told Reuters.