Wabco 4461860010 Trailer Detection Module

Description

The Wabco 4461860010 Trailer Detection Module is a critical component within a vehicle's braking system, specifically integrated into the ABS and ESC systems. It is designed to accurately detect the presence of a trailer, enabling the brake control unit to adjust braking force appropriately and maintain vehicle stability. This module is an OE specification device for commercial vehicles and is suitable for a wide range of applications where trailer detection is essential. With dimensions of 40 x 88 x 135 mm and an operating temperature range of -40°C to +75°C, this module provides reliable performance in demanding conditions. Its IP 30 protection rating ensures resilience against dust and limited water ingress, enhancing its durability and lifespan.

Key Features & Benefits

This little module basically tells your vehicle if you’ve got a trailer hooked up or not. It monitors the trailer wiring – things like the lights and ground connection. It sends a signal to your truck’s computer saying, “Hey, there’s a trailer back there!” It doesn’t control anything directly, it just provides information. Some modules can even identify if there's a problem with a trailer light, like a burned – out bulb. It works closely with your brake control system and your ABS/ESC. When the module detects a trailer, it tells the brake control to adjust how it works. Modern trucks use that information to account for the added weight and length of the trailer, so your trailer brakes and the truck’s brakes work together properly. It’s also crucial for things like trailer sway control – if your truck detects sway, it can use the brakes to help straighten things out. Without this module sending the right signals, those systems can’t perform as they should.

Symptoms, Risks & Replacements

Honestly, it’s a safety thing. It makes sure your truck 'knows' what's behind it. If this module fails, your trailer brakes might not sync up right with your truck's. You’ll notice if you're trying to slow down and it feels like the trailer is pushing you around, or if the trailer brakes feel weak. It can also mess up trailer sway control, making things unstable. It's a relatively small part, but it plays a big role in keeping everything under control when you’re hauling something. You can usually find these fairly easily; we stock a good range at Fixparts Online, and other auto parts suppliers will too.

Warranty Information

Wabco Trailer Detection Module (MPN 4461860010) comes with a 1-year warranty.