Your vehicle’s Anti-lock Braking System (ABS) is a cornerstone of modern automotive safety, designed to prevent wheel lockup and help you maintain steering control during emergency stops. When a component within this system fails, it can trigger warning lights and compromise your vehicle’s ability to handle slippery or sudden braking scenarios. Replacing a faulty ABS module is not just about turning off a dashboard light; it is a critical repair for restoring your car’s integrated safety features.
For GM vehicle owners, choosing the right replacement part is essential for ensuring compatibility, reliability, and long-term performance. This roundup focuses on genuine GM and ACDelco Original Equipment parts, which are engineered to match the exact specifications of your vehicle’s original components. From complete control modules to modulator valves, we have compiled a list of top-tier options to help you make an informed decision for your repair.
Our Recommended ACDelco ABS Modules
- GM Genuine Parts 15905737 Electronic Brake Control Module
- GM Genuine Parts 19417203 ABS Pressure Modulator Valve Kit
- GM Genuine Parts 84256781 Electronic Brake Control Module Assembly
- ACDelco GM Original Equipment 23380704 Electronic Brake Control Module
- GM Genuine Parts 84646859 Electronic Brake Control Module
- GM Genuine Parts 20827127 Electronic Brake Control Module with Seals
- ACDelco GM Original Equipment 25879226 ABS Pressure Modulator Valve
- GM Genuine Parts 19417944 Electronic Brake Control Module, Remanufactured
- ACDelco 13522443 GM Original Equipment ABS Hydraulic Control Unit
GM Genuine Parts 15905737 Electronic Brake Control Module
This GM Genuine Parts Electronic Brake Control Module is the recommended replacement for your vehicle’s original factory component. It is designed to deliver the same quality, reliability, and durability that your GM vehicle had when it was new. By using a genuine GM part, you ensure that your vehicle’s complex safety systems operate as intended.
Manufactured to GM’s strict Original Equipment specifications, this module guarantees a correct fit, proper form, and full function. This direct compatibility simplifies the installation process and provides confidence that the part will integrate seamlessly with your vehicle’s existing ABS and stability control systems. It is a straightforward solution for restoring optimal braking performance.
GM Genuine Parts 19417203 ABS Pressure Modulator Valve Kit
The GM Genuine Parts ABS Pressure Modulator Valve Kit is an essential component for the hydraulic portion of your anti-lock brake system. This part is responsible for modulating brake fluid pressure to individual wheels during ABS activation, preventing lockup and helping you maintain steering control. As a GM-recommended replacement, it assures the quality and performance you expect.
This kit is built to the original equipment standards, ensuring it matches the fit, form, and function of the part originally installed on your vehicle. Using this genuine component helps preserve the integrity of your vehicle’s safety system, providing reliable operation in critical braking situations for the long term.
GM Genuine Parts 84256781 Electronic Brake Control Module Assembly
This Electronic Brake Control Module Assembly is the brain of your anti-lock braking system. It constantly reads data from vehicle sensors to determine when a wheel is about to lock up. When it detects this, it triggers the ABS to pulse the brakes, which helps provide controlled braking even on icy or wet road surfaces.
By helping to reduce wheel slippage, this module plays a vital role in maintaining vehicle stability and directional control during hard braking in slippery situations. Installing this genuine GM part is a reliable way to restore this important safety function, giving you confidence behind the wheel in various driving conditions.
ACDelco GM Original Equipment 23380704 Electronic Brake Control Module
ACDelco GM Original Equipment parts are manufactured to meet the specifications of GM vehicles. This 23380704 Electronic Brake Control Module is a prime example, engineered to be a direct replacement for the original part in your car or truck. ACDelco is a trusted name in GM parts, known for its commitment to quality and performance.
This module comes with the four necessary bolts for a complete installation. Choosing an ACDelco GM Original Equipment part means you are selecting a component designed, engineered, and tested to rigorous standards, ensuring it will perform correctly within your vehicle’s integrated safety network.
GM Genuine Parts 84646859 Electronic Brake Control Module
This GM Genuine Parts Electronic Brake Control Module is designed to help enhance your vehicle’s braking ability, particularly in inclement weather. It works by helping to control the wheels during hard braking on slippery surfaces, a key function of the ABS. It is important to note that this part requires professional programming and special setup procedures after installation.
GM Service Information outlines the specific procedures and tools needed to ensure the module operates properly in the vehicle. This highlights the technical nature of modern brake systems and underscores the importance of using a genuine GM part that is fully compatible with the required calibration processes.
GM Genuine Parts 20827127 Electronic Brake Control Module with 12 Seals
This GM Genuine Parts offering includes the Electronic Brake Control Module along with 12 essential seals. This comprehensive package ensures that you have all the necessary components for a proper and leak-free installation. As a GM-recommended replacement, it is built to restore the quality and reliability of your vehicle’s original factory component.
The inclusion of the seals is a critical detail, as they are vital for maintaining the hydraulic integrity of the brake system. Manufactured to GM OE specifications, this module and seal kit provides a complete solution for a professional-grade repair, helping to ensure the long-term durability of your ABS.
ACDelco GM Original Equipment 25879226 ABS Pressure Modulator Valve
This ACDelco GM Original Equipment ABS Pressure Modulator Valve is another high-quality option for your braking system repair. It is recommended by GM as a replacement for the original factory part, ensuring that you receive the quality and performance that matches your vehicle’s initial build standards.
The modulator valve is a key hydraulic component that works in concert with the control module to rapidly apply and release brake pressure during ABS events. By choosing this ACDelco OE part, you are selecting a component manufactured to the same strict specifications for fit, form, and function, providing a reliable and direct replacement.
GM Genuine Parts 19417944 Electronic Brake Control Module, Remanufactured
This GM Genuine Parts module is a remanufactured unit, which is an industry-standard practice that returns serviceable parts into circulation rather than discarding them. The remanufacturing process is thorough, involving the disassembly, cleaning, inspection, and replacement of worn components to bring the part back to like-new condition.
Critically, this remanufactured module is tested to ensure it performs to GM’s exact specifications. This provides a more sustainable option without compromising on quality or reliability. It is an excellent choice for owners looking for a genuine GM part with the benefit of a reduced environmental impact.
ACDelco 13522443 GM Original Equipment ABS Hydraulic Control Unit
This ACDelco GM Original Equipment ABS Hydraulic Control Unit represents a complete assembly for vehicles requiring a more extensive repair. This unit typically combines the modulator valve and other hydraulic components into a single package. As an ACDelco GM Original Equipment part, it is manufactured to meet the precise requirements of your GM vehicle.
Installing this unit can be an efficient way to address issues within the hydraulic portion of the ABS. Its OE status guarantees that it will fit and function correctly, restoring the system’s ability to modulate brake pressure and help maintain control during demanding braking situations.
Buying Guide: What to Look For in the 9 Best ACDelco ABS Module Review for Vehicle Safety Systems
When my ABS light flickered on, I knew I had to get serious about finding a replacement module. It’s not a part you can cheap out on, because your safety literally depends on it. After a deep dive into options, I kept coming back to ACDelco as a trusted brand. But even within their lineup, you need to know what you’re looking for. Here’s my personal guide on how to choose the right part.
First and foremost, you absolutely must get the correct part number. This isn’t a suggestion; it’s a rule. The ABS module is not a one-size-fits-all component. I found my vehicle’s specific part number by checking the old unit I pulled from the car. If that’s not legible, your best bets are using ACDelco’s official website parts catalog or a trusted auto parts store’s lookup tool that uses your VIN. Matching the part number ensures the module will communicate properly with your vehicle’s existing computer systems.
Next, understand the different ACDelco lines. They have a few tiers, and knowing the difference saved me money and hassle. The gold standard is the ACDelco Gold line (often labeled as GM Original Equipment). These are the exact same parts installed on new vehicles at the factory. If you want peace of mind and a perfect fit, this is your best bet. Then there’s the ACDelco Professional line, which is designed for aftermarket repair and is still a high-quality, reliable option. It might be a more cost-effective solution without a huge sacrifice in quality.
Another critical factor is whether you’re buying a new, rebuilt, or used module. A new one is the most reliable but also the most expensive. A rebuilt unit from a reputable seller can be a great middle ground—it’s been disassembled, had its faulty components replaced, and tested. I was hesitant at first, but a properly rebuilt module from a trusted source can work just as well as new. I’d be cautious with used parts from a junkyard, as you have no real way of knowing its history or remaining lifespan.
Finally, think about the installation process. Some ABS modules are a simple unbolt-and-replace job, while others are integrated with the hydraulic pump, making the job more complex and requiring a brake system bleed. I checked a few online tutorials for my specific car model to gauge the difficulty. Also, remember that after installation, you might need to clear diagnostic trouble codes with an OBD-II scanner. Doing your homework on the install can mean the difference between a smooth afternoon project and a frustrating weekend.
FAQ
What are the most common signs of a failing ACDelco ABS module?
The most obvious sign is the ABS warning light staying illuminated on your dashboard. But sometimes, the system acts up before the light even comes on. I noticed my brakes were behaving oddly—the pedal would sometimes pulsate or feel unusually hard even under normal braking on dry pavement. In more severe cases, the brakes might lock up during a hard stop, which is a major safety concern. If you experience any of these, it’s time to get your system scanned for codes.
Can I install an ACDelco ABS module myself, or do I need a professional?
This really depends on your mechanical skill level and the specific vehicle. On some cars, the module is a separate unit that’s relatively easy to unplug and swap. On others, it’s part of the entire hydraulic control unit, which involves dealing with brake lines and fluid. If you’re comfortable with basic tools and following a guide, a simple module swap is doable. However, if the job requires opening the brake hydraulic system, I’d recommend a professional. Getting air in the ABS system can be a nightmare to bleed out properly, and you don’t want to compromise your brakes.
What’s the difference between an ABS module and a wheel speed sensor?
This is a common point of confusion. Think of it as a team. The wheel speed sensors are the scouts; they’re located at each wheel and their only job is to report how fast each wheel is spinning to the main commander. The ABS module is that commander. It receives the data from all the scouts. If it sees that one wheel has suddenly stopped spinning (locked up) while the others are still moving, it commands that specific brake to pulse, preventing a skid. So, a faulty sensor will send bad data, but a faulty module can’t process any data correctly.
Will a new ABS module need to be programmed to my vehicle?
In almost all modern vehicles, yes, absolutely. The module is a computer that needs to be integrated with your car’s main computer (ECU). Even if you get the correct part number, it often needs to be “flashed” or programmed with your vehicle’s specific software. Some advanced DIYers can do this with specific software and hardware, but most of the time, this is a job for a mechanic with a professional-grade scan tool. It’s a crucial step, so be sure to factor this into your planning.
How long does a typical ACDelco ABS module last?
There’s no set expiration date, but these are durable components designed to last the life of the vehicle. However, they are subjected to heat, vibration, and moisture, which can eventually take their toll. I’ve seen them last well over 100,000 miles, and many last the car’s entire lifetime. Failure is often due to external factors like corrosion from road salt or damage from an electrical issue. When looking at the 9 Best ACDelco ABS Module Review for Vehicle Safety Systems, you’ll see that their reputation is built on this kind of long-term reliability.
Is it safe to drive with a faulty ABS module?
You can usually still drive the car, as your base hydraulic brakes will still function. However, your anti-lock braking system will be disabled. This means that in a panic stop or on a slippery surface, your wheels are much more likely to lock up, causing you to skid and lose steering control. It’s not safe. I treated it as a top-priority repair. You’re essentially driving without a key modern safety feature, so get it fixed as soon as you can.