Product Details: The Haldex Trailer TCM Electronic Control Unit is a highly advanced device designed to provide precise and reliable control of a trailer's braking system. This ECU is specifically designed for use in commercial vehicles, such as trucks and trailers, and is known for its exceptional performance, durability, and reliability. It is ability to monitor and adjust the trailer's brake pressure, ensuring that it remains within safe and optimal levels at all times. This is achieved through a series of sensors that are strategically placed throughout the trailer's braking system, which relay information back to the control unit in real-time. The control unit then uses this information to make adjustments as needed, ensuring that the trailer's brakes are always performing at their best. FleetPride is your First Click in Heavy Duty®.