Restore Your Truck’s Core Electrical Functions
Is your Silverado, Sierra, or Express van plagued by frustrating electrical gremlins? Unpredictable power windows, flickering lights, a malfunctioning security system, or door locks with a mind of their own are all classic signs of a failing Body Control Module (BCM). Don’t let these issues compromise your vehicle’s reliability and your peace of mind. This direct-fit BCM is the definitive solution, arriving pre-programmed to your vehicle’s exact VIN to get you back on the road or back to the job site with confidence.
Common Symptoms of a Failing BCM
If your truck is experiencing any of the following, a faulty BCM is the most likely culprit. This module acts as the central hub for your vehicle’s body electronics, and when it fails, it can cause a wide range of confusing issues. By replacing your old unit with our pre-programmed 2003-2007 Sierra 2500 BCM, you can resolve these problems effectively.
- Intermittent or non-working power windows, door locks, and mirrors.
- Headlights, taillights, or interior lights that stay on or won’t turn on.
- The security system randomly activating or preventing the engine from starting.
- Erratic instrument cluster warnings or gauges.
- Communication errors with diagnostic scan tools (DTCs like U1000).
Features & Benefits
- ✔ VIN-Specific Programming: We flash this module with the latest GM software using your vehicle’s VIN, ensuring it works correctly with the specific options your truck was built with.
- ✔ Ready for Installation: Because it’s pre-programmed, this BCM is ready to be installed right out of the box, saving you a costly and time-consuming trip to the dealership.
- ✔ Direct-Fit Replacement: This unit is an exact match for a range of original part numbers, including 15136224, 15167329, and 15194169, guaranteeing a perfect fit.
- ✔ Restores Full Functionality: Get your power accessories, lighting, and security systems working like new again.
- ✔ No Core Charge: You don’t need to worry about the hassle and expense of sending your old, failed module back to us.
- ✔ Purchase with Confidence: This unit is backed by our one-year replacement warranty.
An Expert’s Note on VIN Programming: On these GM trucks and vans, the BCM is not a simple one-size-fits-all part. It needs to know every option your vehicle has—from the type of transmission to whether you have power seats or fog lights. Our VIN programming process ensures the module is a perfect electronic match for your truck’s factory build sheet. Installing a non-programmed or incorrectly programmed module is a recipe for more problems. We handle this critical step for you, so your installation is as smooth as possible.
This 2003-2007 Sierra 2500 BCM is the reliable, straightforward fix for your vehicle’s electrical issues. After purchase, simply provide us with your VIN, and we’ll ship a module that is programmed and ready for you to install. While the installation is plug-and-play, please be aware that certain post-install procedures, like an airbag system sync or brake pedal position relearn, may be required depending on your specific model. This is a normal part of replacing a major electronic module.
Don’t put up with a malfunctioning vehicle any longer. Order this pre-programmed 2003-2007 Sierra 2500 BCM today and restore the dependability you count on from your GM truck or van.
Frequently Asked Questions
What exactly does the Body Control Module do?
The BCM is a computer that controls and monitors most of your vehicle’s non-engine-related electronic functions. This includes power windows, door locks, interior and exterior lighting, the alarm system, and even the horn and wipers.
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the latest GM software that is specific to your truck’s factory-installed options. This step is essential for the module to function correctly and is the main reason you can’t just swap one from another vehicle.
Is this a difficult part to install?
For someone with basic mechanical skills, the physical installation is straightforward. The BCM is typically located under the steering column or in the center dash. The main benefit of our service is that the complex programming is already done, making it a plug-and-play process. However, some vehicles may require a simple relearn procedure after installation.
What if my airbag light is on after I install the BCM?
This can happen. If the airbag warning light appears, a procedure called ‘Setup SDM Primary Key in BCM’ needs to be performed with a professional-grade scan tool. This syncs the new BCM with the airbag system and is a standard procedure for this type of repair.
Do I have to send my old BCM back?
No. There is no core charge for this part. You can keep or dispose of your original module.
Will this BCM fit my Silverado 1500 or Savana Van?
Yes, this module is compatible with a wide range of 2003-2007 GM trucks and vans, including the Silverado, Sierra, Savana, and Express, as long as the part number matches one of the listed compatible numbers. Please review the full fitment list to confirm compatibility with your exact model and options.