ADAS Functionality and Integrity Act

[Congressional Bills 119th Congress] [From the U.S. Government Publishing Office] [H.R. 6688 Introduced in House (IH)] <DOC> 119th CONGRESS 1st Session H. R. 6688 To require the National Highway Traffic Safety Administration to establish guidelines for advanced driver assistance systems calibration, modifications, and tolerances, and for other purposes. _______________________________________________________________________ IN THE HOUSE OF REPRESENTATIVES December 12, 2025 Mrs. Harshbarger (for herself, Mr. Obernolte, Mr. Vasquez, and Mrs. Torres of California) introduced the following bill; which was referred to the Committee on Energy and Commerce _______________________________________________________________________ A BILL To require the National Highway Traffic Safety Administration to establish guidelines for advanced driver assistance systems calibration, modifications, and tolerances, and for other purposes. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, SECTION 1. SHORT TITLE. This Act may be cited as the ``ADAS Functionality and Integrity Act''. SEC. 2. ADAS MODIFICATION RANGES AND TOLERANCES GUIDELINES. (a) Guidelines for ADAS.--Not later than 24 months after the date of the enactment of this Act, the Secretary of Transportation, acting through the Administrator of the National Highway Traffic Safety Administration, in consultation with manufacturers of passenger motor vehicles and equipment, standard settings organizations, the independent automotive aftermarket, and dealers, shall develop and publish guidelines to ensure ADAS and vehicle dynamic systems installed in any passenger motor vehicle, for a model year on and after 2028 maintains functionality when a passenger motor vehicle is modified or customized that include the following: (1) Allowable modification ranges and tolerances, including physical parameters impacting ADAS and vehicle dynamic systems functionality, including ride hei