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DOT/NHTSA RIN: 2127-AN03 Publication ID: 2026 
Title: ●Modernization of FMVSS No. 126, Electronic Stability Control Systems for Light Vehicles, to Accommodate ADS-Equipped Vehicles. 
Abstract:

This FMVSS assumes the presence of a human driver using a steering wheel, referring to the driver in the definition of Electronic Stability Control (ESC) system and to the steering wheel angle in the test procedure. This modernization will address the requirements for vehicles equipped with Automated Driving Systems (ADS) that lack manually operated driving controls. The changes will maintain the level of safety performance currently required by the standard, including the stability and responsiveness criteria for ESC performance. 

 
Agency: Department of Transportation(DOT)  Priority: Other Significant 
RIN Status: First time published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: Undetermined  Unfunded Mandates: No 
EO 14192 Designation: Deregulatory 
CFR Citation: 40 CFR 1.95   
Legal Authority: 49 U.S.C. 322, 30111, 30115, 30117, 30166   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  02/00/2027 
Regulatory Flexibility Analysis Required: Undetermined  Government Levels Affected: Undetermined 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Stacy Balk
Department of Transportation
National Highway Traffic Safety Administration
1200 New Jersey Avenue SE,
Washington, DC 20590
Phone:202 366-1810
Email:  stacy.balk@dot.gov