Restore Full Electrical Function to Your Truck
Are you battling strange and frustrating electrical issues in your GMC Sierra 3500? Flickering lights, unresponsive power windows, a malfunctioning security system, or a persistent airbag light are common signs of a failing Body Control Module (BCM). The BCM is the central command center for your truck’s body electronics, and when it fails, it can cause a cascade of problems. This genuine GM Body Control Module, part number 25971916, is the definitive solution, arriving pre-programmed to your truck’s specific VIN for a seamless, plug-and-play installation.
Is Your 2007-2011 Sierra 3500 BCM Failing?
A faulty BCM can manifest in numerous ways, often making diagnosis difficult. Look for these common indicators that point to a needed replacement:
- ✔ Unresponsive or erratic power windows, door locks, or interior lights.
- ✔ HVAC system failures, such as a blower motor that won’t turn on or stays stuck on one speed.
- ✔ The security system light flashing, preventing the truck from starting.
- ✔ An illuminated airbag warning light, often accompanied by DTC B1001.
- ✔ Wipers operating intermittently or not at all.
- ✔ Communication errors with other vehicle modules, leading to various diagnostic trouble codes.
The Plug-and-Play Solution for Your GM Truck
Forget expensive trips to the dealership for programming. We handle the critical step for you. By providing your vehicle’s VIN during checkout, we program this module with the latest GM software specific to your truck’s configuration. This ensures that all systems communicate correctly right out of the box. This replacement 2007-2011 Sierra 3500 BCM restores the precise factory control over your vehicle’s essential functions, from security to comfort systems.
Installation is straightforward for any DIY mechanic. The BCM is typically located under the driver’s side dashboard, near the steering column. In most cases, the process takes only a few minutes. While the module is plug-and-play, some vehicles may require a simple post-installation procedure. For example, if the airbag light remains on, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ function to sync the systems. This is a quick procedure that finalizes the installation.
This module is a direct replacement and interchanges with a wide range of part numbers, including: 25844480, 25835966, 15263363, 15263497, 15878753, 15284816, 15943678, 15926094, 15940214, 25790508, 25790509, 25823558, 25823559, 25835965, 25844479, 25971917, 15901388, 20939137, 20939138, and 22860591.
Frequently Asked Questions
What does a Body Control Module do on a Sierra 3500?
The BCM acts as the central computer for your truck’s body electronics. It controls non-engine related functions like power windows, door locks, interior and exterior lighting, the security system, wipers, and the HVAC climate control system.
Is this BCM difficult to install?
No, the physical installation is very simple. The module is located under the steering column and can typically be swapped in under 5 minutes with basic tools. The most important part is that our module comes pre-programmed to your VIN, eliminating the need for dealership tools.
What does ‘VIN Programmed’ mean for my 2007-2011 Sierra 3500 BCM?
It means we load the module with your truck’s specific factory software and settings using your Vehicle Identification Number (VIN). This makes the module a true plug-and-play part, ensuring it works correctly with all the specific options your vehicle was built with.
My airbag light is on after installation. What should I do?
This is a common security measure. You will need a professional-grade scan tool to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with your truck’s airbag system (SDM) and will turn off the light.
Do I need to return my old BCM?
No, there is no core charge for this part. You can keep your old module without any extra fees or hassle.