Restore Your Truck’s Reliability and Functionality
Are you battling frustrating electrical gremlins in your GM truck or SUV? Flickering lights, unresponsive power windows, a dead HVAC system, or a persistent airbag light can make your vehicle feel unreliable. These are classic signs of a failing Body Control Module (BCM), the central computer for your vehicle’s comfort and security features. This genuine GM BCM, pre-programmed to your vehicle’s specific VIN, is the definitive, hassle-free solution to restore complete control and get your truck back to peak performance.
Common Symptoms & Your Solution
A faulty BCM can cause a wide range of confusing issues. If you’re experiencing any of the following, this module is the solution you need:
- Intermittent or total loss of HVAC blower motor and climate controls.
- Power windows, door locks, or mirrors that work sporadically or not at all.
- Interior or exterior lights failing to operate correctly.
- An active airbag warning light, often accompanied by DTCs like B1001.
- Security system malfunctions that can lead to a no-start condition.
- A variety of diagnostic trouble codes related to body electronics.
By installing our pre-programmed 2003-2007 Sierra 3500 Body Control Module, you bypass the need for expensive dealership visits and complex programming tools. It arrives ready to install, immediately resolving these common failures.
Features & Benefits
- โ Plug-and-Play Installation: This module is expertly programmed to your vehicle’s VIN before shipping. This ensures seamless integration with your existing systems, eliminating the need for any additional programming.
- โ Restores Full Functionality: Regain complete and reliable control over your vehicle’s critical body electronics, from power locks and windows to the climate control and security system.
- โ OEM-Standard Quality: Built to meet or exceed original equipment specifications, ensuring long-lasting durability and dependable operation for your daily driver or workhorse truck.
- โ Solves Annoying Electrical Issues: Put an end to the frustrating and unpredictable behavior caused by a failing BCM, restoring your confidence in your vehicle.
- โ Broad Compatibility: An exact replacement for a wide range of part numbers, including 15116066, 15136225, 10383536, 15198116, and more, making it the perfect fit for your Silverado, Tahoe, Suburban, Escalade, or Sierra.
- โ Warranty Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The GMT800 BCM Explained
As a technician with over 20 years of experience, I’ve seen countless GMT800-platform trucks and SUVs (like your Sierra, Silverado, and Tahoe) come through the shop with bizarre electrical issues. The original Body Control Modules in these vehicles are robust, but after 15-20 years of heat cycles, vibrations, and moisture exposure, the internal solder joints and electronic components can begin to fail. This leads to the intermittent problems that are so hard to diagnose. Instead of chasing down individual wiring issues, replacing the BCM is often the most effective and permanent repair. Our VIN programming service takes this a step further, saving you the hundreds of dollars and the time a dealership would charge for the same procedure. This is the smart, professional-grade fix for your 2003-2007 Sierra 3500 Body Control Module.
Frequently Asked Questions
What does ‘VIN Programmed’ mean for me?
It means the module arrives at your door ready for installation. We program it with your vehicle’s unique Vehicle Identification Number (VIN) and the latest GM software updates. This ensures it communicates perfectly with your truck’s other computers, like the ECU and TCM, without requiring a trip to the dealer for expensive programming.
Is this difficult to install myself?
For most DIYers, this is a straightforward job. The BCM is typically located under the steering column or behind the center dash panel. The installation itself usually takes less than 15 minutes and involves disconnecting the battery and swapping a few electrical connectors. No special tools are required for the physical replacement.
Will this fix my airbag light?
This BCM can resolve airbag light issues caused by BCM failure (like DTC B1001). However, if the light remains on after installation, a simple ‘Setup SDM Primary Key in BCM’ relearn procedure may be needed using a professional scan tool to sync the new BCM with the airbag system. This is a common final step for many models.
Do I need to send my old part back?
No. There is no core charge for this 2003-2007 Sierra 3500 Body Control Module. You can keep your old part, which saves you the time and hassle of return shipping.
What if this doesn’t fix my problem?
While this module is the definitive solution for BCM failure, we understand vehicle diagnostics can be complex. Our expert support team is here to assist you, and the part is covered by a one-year replacement warranty, giving you complete peace of mind with your purchase.