Crux Radio Replacement Interface for '14-19 GM LAN v2 (LIN) 29 Bit VehiclesThe Crux Radio Replacement Interface is a specialized adapter designed for upgrading select GM vehicles to a Crux radio. It targets 20142019 GM models that use the LAN v2 (LIN) 29bit data bus, delivering a dedicated path for seamless integration. Compatibility: Works with 20142019 GM LAN v2 (LIN) 29bit vehicles. Data Bus Protocol: Supports GM LAN v2 (LIN) 29bit networking protocol for reliable communication between the radio and vehicle systems.