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US HB6688
Bill
Status
Introduced
12/12/2025
Primary Sponsor
Diana Harshbarger
Click for details
AI Summary
- NHTSA must publish guidelines within 24 months for ensuring Advanced Driver Assistance Systems (ADAS) maintain functionality when vehicles model year 2028 and later are modified or customized
- Guidelines must establish allowable modification ranges and tolerances for ride height, wheel/tire dimensions, static geometry, and sensor/camera function, with manufacturers required to provide tolerance information within 30 days of vehicle release
- NHTSA must complete a study within 12 months assessing the safety needs, feasibility, and cost of developing industry guidelines for ADAS functionality after vehicle modifications
- Calibration procedures must reference U.S. New Car Assessment Program methodologies and include standardized scoring scales (good, fair, poor) for evaluating calibration effectiveness
- Manufacturers not meeting the guidelines face civil penalties under 49 U.S.C. § 30165(a)
Legislative Description
ADAS Functionality and Integrity Act
Transportation and public works
Last Action
Forwarded by Subcommittee to Full Committee by Voice Vote.
2/10/2026
Committee Referrals
Subcommittee on Commerce, Manufacturing, and Trade12/12/2025
Energy And Commerce12/12/2025
Full Bill Text
No bill text available