Restore Your Truck’s Electrical System and Get Back on the Road
Are you battling frustrating electrical issues in your GM truck or SUV? Flickering lights, unresponsive power windows, a dead HVAC system, or a persistent airbag warning can make your reliable vehicle feel unpredictable. These are classic signs of a failing Body Control Module (BCM). This genuine GM BCM, interchangeable with part number 15136877, is the definitive, plug-and-play solution. We pre-program it to your vehicle’s specific VIN, ensuring it works perfectly right out of the box, saving you from a costly and time-consuming trip to the dealership.
Common Symptoms & Your Solution
A faulty BCM can cause a cascade of confusing problems. If you’re experiencing any of the following, this module is your answer:
- Intermittent or total loss of HVAC blower motor and climate controls.
- Airbag warning light is on, often with Diagnostic Trouble Codes (DTCs) like B1001.
- Power windows, door locks, or interior/exterior lights work sporadically or not at all.
- Malfunctioning security system, leading to no-start conditions.
- Strange electrical behavior or grounding issues that are difficult to diagnose.
By installing our expertly programmed 2003-2007 Silverado 3500 Body Control Module, you directly address the root cause of these issues, restoring full functionality and confidence in your vehicle.
Features & Benefits
- โ VIN Programmed for Your Vehicle: We flash the module with your truck’s VIN and the latest GM software before it ships. This ensures 100% compatibility and allows for a true plug-and-play installation with no further programming required.
- โ Restores Full Functionality: Get your power accessories, lighting, security, and climate controls working like new. This module restores the critical systems your vehicle depends on for safety and comfort.
- โ OEM-Quality & Reliability: Built to strict General Motors standards for performance and durability. This isn’t a cheap knock-off; it’s a dependable component designed to last, whether on the job site or on a family road trip.
- โ No Core Charge: We don’t require you to send your old, faulty module back. This simplifies the process, saving you time and return shipping costs.
- โ One-Year Replacement Warranty: This unit is backed by our one-year replacement warranty, giving you complete peace of mind with your purchase.
Expert Insight: The Critical Role of VIN Programming
In modern vehicles like the 2003-2007 GM truck and SUV platform, the BCM is the central hub for dozens of electronic functions. It communicates with other modules, like the engine computer and airbag system. Simply swapping in a used or unprogrammed module will not workโthe vehicle’s security system will reject it, often resulting in a no-start condition. Our VIN programming service syncs this new BCM to your vehicle’s unique identity. This crucial step, which we handle for you, is what makes this a simple DIY-friendly repair instead of a complex job requiring specialized dealership tools and labor charges.
Frequently Asked Questions
What exactly does the Body Control Module do?
The BCM is essentially the brain for your vehicle’s body electronics. It manages non-engine related functions like your interior and exterior lights, power windows and locks, wipers, security system, and HVAC climate controls. When it fails, these systems can become erratic or stop working altogether.
Is this BCM difficult to install?
Installation is straightforward for most DIYers. The BCM is typically located under the steering column or in the center dash area. The process involves disconnecting the battery, unplugging the electrical connectors from the old module, swapping in the new one, and reconnecting everything. It can often be completed in under 15 minutes.
Will this fix my airbag warning light?
This BCM can resolve airbag light issues caused by communication faults (like DTC B1001). However, in some cases, a post-installation procedure called ‘Setup SDM Primary Key in BCM’ may be needed using a professional scan tool to fully sync the airbag system and turn off the light.
How do I know this part is compatible with my vehicle?
This module is a direct replacement for part numbers 15136877, 15116066, 15198116, and others listed in the product details. It fits a wide range of 2003-2007 GM models including the Silverado, Sierra, Tahoe, Yukon, and Suburban. By providing your VIN during checkout, we ensure it is programmed correctly for your specific make, model, and options.
Do I need to send my old part back?
No. We do not require a core return. You can keep or dispose of your old module, making the repair process simpler and more convenient for you.
What if I still have problems after installing the new BCM?
Our pre-programmed 2003-2007 Silverado 3500 Body Control Module is designed to be a reliable fix. If you encounter any issues, please contact our expert support team. We can help diagnose the problem and, if necessary, facilitate a replacement under the one-year warranty.