End Your Truck’s Electrical Headaches
Are strange electrical problems sidelining your hard-working GM truck or van? Flickering lights, unresponsive power windows, or a security light that won’t turn off are more than just annoyancesโthey’re signs that your Body Control Module (BCM) is failing. This critical component is the nerve center for your vehicle’s body electronics, and when it goes, it can cause a cascade of frustrating and unpredictable issues. Get back on the road with confidence with our professionally prepared Programmed 2003-2007 Sierra 2500 BCM, shipped directly to you, ready for installation.
Common Failure Symptoms & Your Direct Solution
If you’re experiencing any of the following, a failing BCM is the likely culprit:
- Power windows, door locks, or mirrors working intermittently or not at all.
- Interior or exterior lights acting erratically (staying on, not turning on, flickering).
- The security or anti-theft light is illuminated on the dash, possibly causing a no-start condition.
- Communication error codes (U-codes) when scanned with a diagnostic tool.
- Inconsistent or non-functional radio and climate controls.
Instead of wrestling with a trip to the dealership for expensive diagnostics and programming, our service provides the definitive fix. We take a genuine OEM-spec BCM, flash it with the latest official GM software, and program it specifically to your vehicle’s VIN. This ensures perfect compatibility and restores all functions as the factory intended.
Features & Benefits
- โ VIN-Specific Programming: We program the module to your exact VIN before shipping, ensuring it works correctly with your vehicle’s specific options and security system right out of the box.
- โ Plug & Play Installation: Because the unit arrives pre-programmed, you can avoid the high costs and scheduling delays of dealership programming. In most cases, installation is a straightforward process.
- โ Updated GM Software: Your BCM will be loaded with the newest software updates from General Motors, which can resolve common factory bugs and improve performance.
- โ No Core Charge: You are not required to send your old, faulty module back to us. Keep your original part with no extra fees or hassle.
- โ Guaranteed Fitment: This unit is a direct replacement for multiple part numbers, including 15747545, 15167329, 15194169, and more. Check the list below for full compatibility.
- โ Peace of Mind: This unit is backed by our one-year replacement warranty.
Expert Insight: Why Pre-Programming is Non-Negotiable
From over 20 years of hands-on diagnostics, I can tell you that a BCM is not a simple part you can swap from one truck to another. It’s the brain that manages everything from your interior lights to the Passlock security system. Each BCM is coded with vehicle-specific information. Installing a used, un-programmed module will, at best, not work, and at worst, leave your vehicle completely immobilized. Our VIN-programming service bypasses this entire problem. We handle the complex part, so you get a reliable component that integrates seamlessly with your truck, saving you immense time and frustration.
Complete Fitment Information
This Programmed 2003-2007 Sierra 2500 BCM is a direct fit for a wide range of GM trucks and vans. Please verify your model and options below to ensure compatibility. This module replaces the following part numbers: 15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, 10367689.
Frequently Asked Questions
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer in your vehicle that controls and monitors a wide range of electronic accessories not related to the engine. This includes power windows, locks, interior/exterior lighting, security systems, wipers, and more. It acts as a central hub for these functions.
Is this module difficult to install?
The BCM is typically located under the steering column or in the center dash area. Physical installation is generally straightforward for someone with basic mechanical skills, involving disconnecting the battery and swapping electrical connectors. Since our module comes pre-programmed, no special computer tools are needed for the initial setup, though some post-install relearn procedures may be necessary as noted in our instructions.
Do I need to send my old BCM back?
No. We do not charge a core fee, and you are not required to return your original module. This simplifies the process and gets your vehicle repaired faster.
How does the VIN programming process work?
After you place your order, you will need to provide us with your vehicle’s 17-digit VIN. Our technicians use this number to access the official GM database, retrieve the correct software and vehicle-specific configuration files, and flash them onto the BCM before it is shipped to you.
What 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 by a technician with a professional-grade scan tool. This is a standard post-installation step on certain models.
Will this fix my specific problem?
This Programmed 2003-2007 Sierra 2500 BCM is the correct solution for failures within the module itself, which cause the common symptoms listed above. While it resolves the vast majority of electrical body-related issues, we always recommend proper diagnostics to confirm the BCM is the source of the fault before ordering.