The National Highway Traffic Safety Administration (NHTSA) broke out the big hammer again. This time, Fiat Chrysler was the nail. NHTSA fined Fiat Chrysler $70M for withholding safety data. The National Highway Traffic Safety Administration (NHTSA) broke out the big hammer again. This time, Fiat Chrysler was the nail. NHTSA fined Fiat Chrysler $70M for withholding safety data. The fine is the result of Fiat Chrysler's admission earlier this year that it withheld data on deaths and injuries, warranty claims, owner complaints and safety issues that it was required by federal law to report. The company withheld several years' worth of data. U.S. Transportation Secretary Anthony Foxx said, "Accurate, early-warning reporting is a legal requirement, and it's also part of a manufacturer's obligation to protect the safety of the traveling public.