Restore Full Electrical Function to Your GM Truck or Van
Are you battling bizarre electrical problems in your 2003-2007 GM vehicle? Flickering lights, malfunctioning power windows, a security system that acts on its own, or an intermittent no-start condition are all classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it malfunctions, it can create a cascade of frustrating and difficult-to-diagnose issues. This direct-fit replacement BCM, part number 15116065, is the definitive solution to restore your vehicle’s performance and reliability.
We had a 2005 Silverado 2500 in the shop that was a real head-scratcher. The owner complained of a parasitic battery drain that left him stranded multiple times, and his interior lights would sometimes stay on for no reason. We checked the battery and alternator, which were fine. After tracing the circuits, we found the BCM was failing to put all accessory systems to sleep after the key was off. Swapping in a VIN-programmed BCM like this one solved the battery drain and the phantom light issue instantly. It’s often the hidden culprit behind the most confusing electrical faults.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, locks, or mirrors working intermittently or not at all.
- ✔ The security system or keyless entry failing to operate correctly.
- ✔ Unexplained parasitic battery drain leading to a dead battery.
- ✔ Warning lights on the dashboard, such as the airbag light.
- ✔ Horn sounding unexpectedly or not working when pressed.
Why Choose Our Programmed 2003-2007 GM BCM?
Getting your truck or van back on the road shouldn’t require a complicated, expensive trip to the dealership. Our service is designed to be simple and effective. When you order this 2003-2007 GM BCM, you’re not just getting a part; you’re getting a complete, ready-to-install solution. We use your vehicle’s VIN to flash the module with the latest, most stable software updates from GM. This ensures perfect compatibility with your vehicle’s specific options and eliminates the need for dealer programming, saving you time and money. It’s a true plug-and-play fix.
Installation and Setup
Installation is straightforward for a DIYer with basic tools. The BCM is typically located under the steering column in pickups or in the center dash area for vans. Once installed, most functions will work immediately. However, depending on your specific model, a couple of simple post-installation procedures may be required:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: Some vehicles may require a brake pedal position sensor recalibration to ensure proper brake light and traction control operation.
This module is a direct replacement for the following part numbers: 15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, 10367689.
Frequently Asked Questions
How do I provide my VIN for programming?
After you complete your purchase, you will receive instructions to reply with your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive this information, as the programming is essential for the module to function in your vehicle.
Is this BCM difficult to install?
For most individuals with basic mechanical skills, the installation is manageable. It involves removing a few dash panels to access the module, unplugging the electrical connectors, and swapping the unit. The key benefit of our service is that the difficult programming step is already done for you.
What happens if my airbag light comes on?
This is not uncommon. It simply means the new BCM needs to be electronically introduced to the vehicle’s airbag module (SDM). A repair shop with a professional-grade scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to resolve this.
Do I need to send my old part back?
No. There is no core charge for this part. You can keep your original module.
Will this fix my specific electrical problem?
This 2003-2007 GM BCM is the solution for a wide range of electrical issues. If you are experiencing several of the symptoms listed, such as erratic lights, power accessory failure, and security faults, a failing BCM is the most likely cause.