Abstract: A communication system to transfer data between a towing vehicle and a towed vehicle including data of selected vehicle control network operating parameters generated in a towed vehicle, through a microcontroller to a remote monitor or display in the towing vehicle to show and alert the status of selected operating parameters of the towed vehicle when in tow.

Abstract: An electronically controlled brake system to automatically or remotely control the braking of a towed vehicle from a towing vehicle comprising a towing vehicle module including a microcontroller having logic and circuitry to generate a braking signal in response to braking of the towing vehicle fed through an automotive vehicle self-diagnostic device port and vehicle control unit interface to the brake system of the towed vehicle and a towed vehicle includes a microcontroller having logic and circuitry to generate a brake control signal fed to the brake system on the towed vehicle through a vehicle control unit interface and automotive self-diagnostic port to electronically actuate the towed vehicle brakes.

Abstract: A brake and communication system to remotely control the braking of a towed vehicle from a towing vehicle comprising a towing vehicle module including a microcontroller having logic and circuitry to generate a braking signal in response to braking of said towing vehicle fed through an automotive vehicle self-diagnostic device port and vehicle control unit interface to the brake system of the towed vehicle and the towed vehicle includes a microcontroller having logic and circuitry to generate a brake control signal fed to the brake system of the towed vehicle through a vehicle control unit interface and automotive self-diagnostic port to electronically actuate the towed vehicle brakes and to transfer data between said towing vehicle and the towed vehicle including information of selected vehicle control network operating parameters generated in the towed vehicle through said microcontroller to a remote monitor or display in said towing vehicle to show and to alert the driver of said towing vehicle of the statu