Which Chevrolet Silverado Models Feature a Factory Trailer Brake Controller?
Contact Us Browse Silverado 1500 Inventory View New Vehicle Specials On the 2026 Chevrolet Silverado 1500, the factory integrated trailer brake controller is a build-coded option that General Motors identifies as RPO JL1. It arrives as part of the truck’s trailering equipment rather than being guaranteed by the trim badge alone. Equipment content shifts with…