ABS Electronic Control Units

How ABS ECUs Help Safely Stop Your Vehicle

The Antilock Brake System (ABS) in your semi-truck contains a very important component called an Electronic Control Unit (ECU), without which modern travel would not be as safe as it currently is. It is a small but effective unit that helps to make sure that, instead of losing control when you are skidding, you are still able to steer your vehicle. This means that, to a certain extent, you will still maintain control of your truck during emergency braking situations in which you may otherwise lose control.

If you've wanted to learn more about how your electronic control unit works, then this is the article for you. In order to make sure you know as much as possible about the ECU in your braking system, our experts have complied the following information for you to look through. Read on to learn more about what your semi-truck's antilock brake electronic control unit has to offer.

What is an Electronic Control Unit?

Your semi-truck's ECU is a computerized electronic device developed to use processed information that comes from the sensors in the ABS system. The unit performs constant diagnostic checks that analyze information from the wheel-speed sensors. When a wheel is about to lock up, the system determines when to release braking pressure and avoid a skid.

How Does an ECU Work to Stop Skids?

The ABS control module helps to stop skidding by limiting the amount of pressure that is applied to the brake caliper. When in motion, the ECU receives signals from the speed monitors placed at each of the wheels. These sensors are designed to keep track of each wheel's rotational speed.

When the ECU determines that the driver has applied the brake too quickly at a high speed, it will engage the antilock brake system. To make sure you don't skid, the ECU controls a pulsing motion in the brake calipers (or caliper) at the wheels it has sensed are going to lock up. This pulsing motion quickly applies and releases pressure on the caliper several times a second.

The whole system works in tandem with the traction control system to make sure that pulsing pressure is applied specifically to the wheels that require traction.

Signs Your ABS Control Module is Bad

There are several ways in which you can determine that your ABS control module needs to be replaced. Since your brakes are one of the most important systems in your vehicle, you will want to make sure that your ECU is in proper working condition at all times. Here are a few signs that you may need a new ECU in your semi-truck:

· Applying more brake pressure: When your control module is failing, you will notice that you might have to apply more brake pressure to get the same results.

· Brakes lock in normal situations: Bad ABS modules can make mistakes. This can result in brake locking under normal braking circumstances.

· Abnormal noises: Clicking noises coming from your brakes can be the result of a failing ECU.

· Unresponsive brake pedal: This can mean several things, however, pressing the brake multiple times before it engages may be a sign of a bad ECU.

If you are experiencing any of the issues listed above, you will want to make sure you go to a certified mechanic that can properly diagnose and solve your potential ECU issues.

A Few Of Our Top Selling ECUs

Now that you know a little more about the electronic control unit that controls your antilock brake system, it's time to determine which replacement is right for your needs. The best way to determine which ECU is right, is to make sure you match the specifications of the one you're replacing. There are plenty of options to choose from, however, here are a few of the top sellers we think you'll want to consider. Each one is made using high quality materials and construction designed to make sure your rig can safely avoid skids.

1. Wabco ECU Modulator – 4008508660:

The Wabco 4008508660 ABS Modulator was designed to be one of the best control regulators available in the trucking industry. This ECU was built for systems that use SAE J 1703 nonpetroleum oil. It features port thread measurements of FL 7/16 inches and FR 1/2 inches, and it also has a calculated volume of 10.083.

2. Wabco 2S/1M MSH Trailer ABS ECU – 4005001010: Wabco designs their ECUs to be durable, long lasting, and reliable, and the Wabco 4005001010 2S/1M MSH Trailer ABS ECU is the result of their dedication to making sure your truck is safe and ready for action. This ECU features a temperature range of -40°C to +65°C, an IP66 protection class, and a 13-bar maximum operating pressure.

3. Wabco 4S/3M Flange ABS Relay Valve – 4005001030: The Wabco 4005001030 4S/3M Flange ABS Relay Valve is the perfect way to make sure you have OEM quality parts running your ABS system. This device includes an ECU, has an operating temperature of -40°C to +65°C, and also features an IP66 protection rating, which means you're getting an extremely high-quality unit.

4. Wabco Hydraulic ABS ECU – 4008518767:

The WABCO ABS Hydraulic ECU 4008518767 was designed to be the perfect replacement part for your antilock braking system. This ECU for hydraulic brakes features a calculated volume of 52.439.

No matter which ECU device you choose, you will definitely want to make sure that the specifications match that of your truck, and that it is installed by a qualified mechanic.

Shop Electronic Control Units For Your ABS System Today!

If you are in the market for an aftermarket ABS modulator for your semi-truck's braking system, then you've come to the right place. With some of the best prices from some of the most notable names in the industry. To get started, all you have to do is fill out our registration form, and you can start saving on your next ABS ECU today. Register or login now and see all of the impressive ECUs we have to offer. You can also contact us on our website or by calling us at 855.548.8787. Our customer service team is happy to help you out in any way they can!