Restore Full Control Over Your Truck’s Electronics
Are you battling frustrating electrical issues in your GM truck or van? Flickering lights, unresponsive power windows, erratic door locks, or a security system that has a mind of its own are all classic signs of a failing Body Control Module (BCM). This vital component is the central command center for your vehicle’s body electronics, and when it fails, it can make your reliable workhorse feel unpredictable. Stop chasing electrical gremlins and get a definitive solution. This replacement BCM is professionally programmed to your vehicle’s specific VIN, ensuring it integrates seamlessly and restores the dependable performance you count on every day.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a failing BCM is the likely culprit. This pre-programmed module is the direct-fit, reliable fix for your 2003-2007 Silverado Sierra BCM issues:
- Power windows, mirrors, or door locks working intermittently or not at all
- Interior dome lights or dashboard lights staying on or not turning on
- The security or anti-theft system preventing the vehicle from starting
- Erratic behavior from the radio or climate control system
- Communication error codes (U-codes) stored in the system
Features & Benefits
- ✔ VIN-Programmed for Your Truck: We flash the module with the latest GM software using your vehicle’s VIN. This eliminates the need for an expensive trip to the dealership for programming.
- ✔ Plug & Drive Installation: Because it arrives pre-programmed, installation is straightforward. Simply disconnect the old module and connect the new one to get back on the road.
- ✔ Guaranteed Compatibility: This unit is a direct replacement for a wide range of original part numbers, including 15167329, 15194169, 15747545, and more.
- ✔ No Core Charge: Keep your old part. We don’t require you to send back your original BCM, saving you time and hassle.
- ✔ Purchase with Confidence: This unit is backed by our one-year replacement warranty.
Expert Insight: The Brains of Your Truck’s Body
Think of the BCM as the central nervous system for everything you interact with inside the cabin. It manages the complex communication between switches (like your window controls) and the components they operate (the window motors). Over time, the original circuit boards can degrade from heat cycles and vibration, causing these strange, hard-to-diagnose issues. Installing a fresh, professionally programmed 2003-2007 Silverado Sierra BCM with updated software doesn’t just replace a broken part—it restores the vehicle’s electronic integrity, ensuring all components communicate reliably as the factory intended.
Frequently Asked Questions
What does a BCM do on my Silverado/Sierra?
The Body Control Module (BCM) manages a wide array of your truck’s non-engine related electronic functions. This includes power windows, door locks, interior and exterior lighting, the security system, wipers, and often parts of the radio and climate control systems.
Is this BCM difficult to install?
For most models, the BCM is located under the steering column or in the center dash area and is accessible with basic hand tools. Since this unit comes pre-programmed, the physical replacement is a plug-and-play process. However, some vehicles may require a simple relearn procedure for the brake pedal position sensor or airbag system, which may require a professional scan tool.
How do I provide my VIN number?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We will then program the BCM specifically for your vehicle’s options and features before we ship it to you.
What happens if my airbag light comes on after installation?
In some cases, the new BCM may need to be synced with the airbag system’s computer (SDM). If the airbag light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed with a compatible high-level diagnostic tool to resolve the light.
Does this part number have to match mine exactly?
No. This module is a compatible replacement for all the part numbers listed in the description, including 15167329, 15194169, 15747545, 15136224, and others. As long as your original part number is on our list, this unit will work perfectly once programmed to your VIN.
Will this fix my specific electrical problem?
This BCM is the solution for a wide range of common electrical failures. If you are experiencing issues with multiple body functions like windows, locks, and lights simultaneously, the BCM is the most probable cause. We recommend confirming the diagnosis with a qualified technician if you are uncertain. A faulty 2003-2007 Silverado Sierra BCM is a very common failure point on these trucks.