Your vehicle’s body control module (BCM) is the silent conductor orchestrating everything from your headlights to your power windows. When it fails, you might face flickering lights, unresponsive locks, or a dashboard lit up like a Christmas tree. Choosing the right replacement is crucial to getting your car back to normal.
This guide reviews ten top-rated body control modules from GM Genuine Parts and ACDelco, covering their key features and ideal applications. We’ll help you understand what to look for, whether you need a new unit or a remanufactured one, so you can make a confident purchase for your Chevrolet, Buick, GMC, or Cadillac.
CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED “AS IS” AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.
GM Genuine Parts 25835966 Body Control Module
Best forExact OEM replacement requiring program…
- GM OE specification
- Critical system operation
ConsiderRequires programming
GM Genuine Parts 84922494 Body Control Module
Best forFactory-validated new module
- GM engineered
- Rigorous testing
ConsiderMay require programming
ACDelco Gold 19473706 Body Control Module
Best forBudget-friendly remanufactured option
- Remanufactured eco-friendly
- Tested to GM specs
ConsiderRemanufactured not new
GM Genuine Parts 13534183 Body Control Module
Best forNew OE precision module
- GM validated
- OE design
ConsiderLikely requires programming
GM Genuine Parts 22846365 Body Control Module
Best forFactory spec with programming
- GM OE specification
- Critical system operation
ConsiderRequires programming
GM Genuine Parts 24275873 Automatic Transmission Control Valve Body with Tr…
Best forTransmission control and shifting
- Manages transmission
- Includes hardware
ConsiderComplex installation
ACDelco Gold 19473704 Body Control Module
Best forEco-friendly remanufactured module
- Remanufactured sustainable
- Tested to GM specs
ConsiderRemanufactured not new
GM Genuine Parts 13534192 Body Control Module
Best forGM engineered new module
- GM engineered
- Rigorous testing
ConsiderMay need programming
GM Genuine Parts 13534191 Body Control Module
Best forTrusted OE replacement
- GM backed
- OE design
ConsiderLikely requires programming
GM Genuine Parts 13534187 Body Control Module
Best forPrecise OE fit module
- GM validated
- OE specification
ConsiderMay require programming
GM Genuine Parts 25835966 BCM – OE Fit
Brand: GM GENUINE PARTS
A reliable OEM module for those ready to handle programming.
The GM Genuine Parts 25835966 is a factory-grade body control module designed to dictate the operation of your vehicle’s vital systems, which is critical to overall performance. It is manufactured to GM OE specifications, ensuring a precise fit, form, and function that matches your original component. This is the recommended replacement for your GM vehicle’s factory part, giving you confidence in its compatibility.
Keep in mind that this part requires programming and special setup procedures. You will need to consult GM Service Information or equivalent resources to ensure proper operation. This module is ideal for owners who want an exact OEM replacement and are prepared to handle the necessary programming steps, either with a professional or a compatible scan tool.
- GM OE specification
- Critical system operation
- Recommended factory replacement
- Requires programming
- Special setup needed
GM Genuine Parts 84922494 – Validated Performance
Brand: GM GENUINE PARTS
A top-tier new module for guaranteed compatibility and reliability.
The GM Genuine Parts 84922494 body control module is engineered to dictate the operation of your vehicle’s vital systems, ensuring that everything from lighting to security works seamlessly. As part of the GM Genuine Parts lineup, it is designed, engineered, and tested to rigorous standards, backed by General Motors. This module is specifically validated by GM engineers for your Chevrolet, Buick, GMC, or Cadillac, guaranteeing a perfect match.
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment, so you are getting the same trusted quality. This module is a straightforward choice for those seeking a new, factory-validated component without the uncertainty of aftermarket alternatives. It offers peace of mind knowing that your vehicle’s electrical body components will operate as intended.
- GM engineered
- Rigorous testing
- Backed by GM
- May require programming
- Premium price
ACDelco Gold 19473706 – Remanufactured Value
The ACDelco Gold 19473706 is a remanufactured body control module that follows industry standard practice to return parts into service rather than scrapping them. It is tested to ensure it performs to GM specifications, giving you a dependable option that is easier on the environment and your budget. This module helps keep your vehicle’s electrical body components functioning properly, coordinating operations with various body component modules.
If you are looking for a cost-effective alternative to a brand-new module, this ACDelco Gold unit offers excellent value. The remanufacturing process ensures that it meets strict quality standards, so you can trust its performance. It is a smart choice for those who want reliable functionality without paying full price for a new OEM part.
- Remanufactured eco-friendly
- Tested to GM specs
- Coordinates modules
- Remanufactured not new
- Programming may be needed
GM Genuine Parts 13534183 – OE Precision
The GM Genuine Parts 13534183 is another excellent body control module that dictates the operation of your vehicle’s vital systems, ensuring optimal performance. Designed, engineered, and tested to rigorous standards, it is backed by General Motors, so you know you are getting a quality product. GM engineers specifically design and validate OE parts for your Chevrolet, Buick, GMC, or Cadillac, making this a precise fit.
Like other GM Genuine Parts, this module may have formerly been branded as ACDelco GM Original Equipment, but the quality remains consistent. It is a great option for those who prefer a new, factory-spec module that will integrate seamlessly with your vehicle’s electrical architecture. You can install it with confidence, knowing it meets the highest standards.
- GM validated
- OE design
- Rigorous standards
- Likely requires programming
- Higher cost
GM Genuine Parts 22846365 – Factory Spec
The GM Genuine Parts 22846365 body control module is manufactured to GM OE specification, ensuring a perfect fit, form, and function for your vehicle. It dictates the operation of your vehicle’s vital systems, which is critical to the performance of your vehicle. As a GM-recommended replacement for your original factory component, it offers the reliability you expect from an OEM part.
Be aware that this part requires programming and/or special setup procedures, as described in GM Service Information. This means you will need the proper tools or a professional to complete the installation. If you are comfortable with that, this module provides a factory-quality solution that will restore your vehicle’s electrical functions to their original state.
- GM OE specification
- Critical system operation
- Recommended replacement
- Requires programming
- Special tools needed
GM Genuine Parts 24275873 – Transmission Combo
Brand: GM GENUINE PARTS
A complete transmission module for reliable shifting performance.
The GM Genuine Parts 24275873 is an automatic transmission control valve body with a transmission control module, managing the operation of your automatic transmission. It includes necessary hardware such as a filter plate, solenoids, and an upgraded lead frame to ensure a quality installation. This integrated module helps combine both electronic and hydraulic components into a single unit for optimal durability.
Offering the quality, reliability, and durability of GM OE, this component is perfect for addressing transmission shifting issues. It is a comprehensive solution that replaces multiple parts at once, simplifying your repair. If you are experiencing transmission problems, this module is a robust choice to restore smooth gear changes.
- Manages transmission
- Includes hardware
- Integrated design
- Complex installation
- May require professional
ACDelco Gold 19473704 – Remanufactured Reliability
The ACDelco Gold 19473704 is another remanufactured body control module that follows industry standard practice to return parts into service, reducing waste. It is tested to ensure it performs to GM specifications, so you can trust its reliability. This module helps keep your vehicle’s electrical body components functioning properly, coordinating operations with various body component modules.
This is a great option if you want a dependable replacement without the premium price of a new module. The remanufacturing process ensures that it meets strict quality standards, giving you peace of mind. It is an eco-friendly choice that still delivers the performance you need for your vehicle’s electrical systems.
- Remanufactured sustainable
- Tested to GM specs
- Coordinates operations
- Remanufactured not new
- Programming may be required
GM Genuine Parts 13534192 – GM Engineered
Brand: GM GENUINE PARTS
A top-quality new module for guaranteed GM performance.
The GM Genuine Parts 13534192 is a body control module that dictates the operation of your vehicle’s vital systems, ensuring critical performance. It is designed, engineered, and tested to rigorous standards, backed by General Motors. GM engineers validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac, so you can be confident in its compatibility.
This module may have formerly appeared as ACDelco GM Original Equipment, but the quality is identical. It is a new, factory-spec component that will integrate seamlessly with your vehicle’s electrical system. Choose this if you want a reliable, long-lasting replacement that meets the highest OEM standards.
- GM engineered
- Rigorous testing
- OE validation
- May need programming
- Premium cost
GM Genuine Parts 13534191 – OE Trust
Brand: GM GENUINE PARTS
A dependable new module that meets GM's exacting standards.
The GM Genuine Parts 13534191 is another body control module that dictates the operation of your vehicle’s vital systems, which is critical to performance. It is designed, engineered, and tested to rigorous standards, backed by General Motors, ensuring you get a reliable product. GM engineers design and validate OE parts specifically for your vehicle, so fit and function are guaranteed.
This module is a great choice for those who prefer a new, factory-spec part. It may have formerly been branded as ACDelco GM Original Equipment, but the quality remains top-notch. With this module, you can restore your vehicle’s electrical functions with confidence in its durability and performance.
- GM backed
- OE design
- Rigorous standards
- Likely requires programming
- Higher price
GM Genuine Parts 13534187 – Precision Fit
The GM Genuine Parts 13534187 is a body control module that dictates the operation of your vehicle’s vital systems, ensuring optimal performance. It is designed, engineered, and tested to rigorous standards, backed by General Motors, so you can trust its quality. GM engineers validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac, ensuring a precise fit.
This module is an excellent choice for a new, factory-spec replacement. It may have formerly appeared as ACDelco GM Original Equipment, but the quality is consistent. If you want a reliable module that will seamlessly integrate with your vehicle’s electrical system, this is a strong option.
- GM validated
- OE specification
- Rigorous testing
- May require programming
- Premium price
Buyer’s Guide: What to Consider
When selecting a body control module, focus on compatibility, condition, and programming needs. This guide covers key factors to help you choose the right part for your GM vehicle, ensuring reliable electrical performance.
- Compatibility: Ensure the body control module is designed for your specific vehicle make, model, and year. GM Genuine Parts are validated for GM vehicles, but you must verify the part number matches your VIN to avoid fitment issues.
- New vs Remanufactured: New modules like GM Genuine Parts offer maximum reliability but cost more. Remanufactured ACDelco Gold modules are tested to GM specs and are budget-friendly, making them a good choice if you want to save money while maintaining quality.
- Programming Requirements: Many BCMs require programming after installation. Check if the module needs special setup procedures, as described in GM Service Information. You may need a professional or a compatible scan tool to complete the installation.
- OE Specifications: Choose modules manufactured to GM OE specifications to ensure proper fit, form, and function. This is critical for the BCM to communicate correctly with your vehicle's electrical systems and avoid future issues.
- Warranty and Support: Consider the warranty offered by the manufacturer. GM Genuine Parts are backed by General Motors, providing peace of mind. Check the product listing for warranty details to protect your investment.
Conclusion
Choosing the right body control module is essential for your vehicle’s electrical health. Whether you opt for a new GM Genuine Parts module for guaranteed OE performance or a remanufactured ACDelco Gold for budget savings, each option has its merits. Remember to verify compatibility and programming requirements before purchase.
For most drivers, a GM Genuine Parts module offers the best reliability, while ACDelco Gold provides excellent value. Assess your needs and budget to make the best choice for your Chevrolet, Buick, GMC, or Cadillac.
Erica Steven is the founder and lead writer of WorstBrands, a site dedicated to providing honest and trustworthy reviews about outdoor gear and fashion products.
With a passion for exploring the great outdoors and staying up to date on the latest fashion trends, Erica uses her expertise to provide valuable insights into the products that matter most to her readers.
Whether you're looking for camping equipment or the latest fashion accessories, Erica's articles are the perfect resource for finding the best products that fit your lifestyle.