TN HB0432

Requires original equipment manufacturers (OEMs) to provide documentation, parts, and tools needed for diagnosis, maintenance, and repair of agricultural equipment to independent repair providers and equipment owners on fair and reasonable terms

Prohibits OEMs from using "parts pairing" or other mechanisms to prevent installation of functional third-party parts, reduce equipment performance after independent repairs, or create misleading warnings about non-OEM parts

Applies to agricultural, horticultural, forestry, dairy, livestock, and property maintenance equipment manufactured and sold on or after July 1, 2015, but excludes highway motor vehicles and construction/mining equipment

Violations constitute unfair or deceptive trade practices under the Tennessee Consumer Protection Act of 1977, subjecting violators to associated penalties and remedies

Takes effect July 1, 2025, and shields OEMs from liability for damage caused by independent repairs unless attributable to design or manufacturing defects