He withheld information from the NHSTA about an accident, and in the whole mess of that it was revealed that the robotaxis actually required human intervention every few miles, so they weren’t actually autonomous.

Edit: this part is speculation, but I imagine they told the NHSTA look at the thousands of miles we drove where our DRIVER didn’t intervene, withholding the fact that a person at HQ behind a screen is telling the car its safe to proceed every few miles because it doesn’t know.