Is Your Sierra 2500 Plagued with Electrical Gremlins?
The Body Control Module (BCM) is the central command center for your truck’s body electronics. When it begins to fail, it can cause a wide range of confusing and frustrating issues, from flickering lights to a non-starting engine. If your power windows have a mind of their own, your HVAC system is unresponsive, or your security light is flashing, a faulty BCM is the most likely culprit. This genuine OEM-quality Body Control Module, part number 25823559, is the definitive solution for restoring full electrical functionality to your 2007-2011 GMC Sierra 2500 and other compatible GM vehicles.
Your Solution: A Pre-Programmed 2007-2011 Sierra 2500 BCM
Don’t waste time and money at the dealership. We simplify the repair process by pre-programming this module to your vehicle’s specific Vehicle Identification Number (VIN). This means it arrives at your door ready for a true plug-and-play installation. Once installed, it will seamlessly integrate with your truck’s existing systems, resolving communication errors and restoring the functions you rely on every day. This module is a direct replacement for a wide range of part numbers, including 25844480, 25835966, 15943678, 20939137, and 22860591.
Common Symptoms and Key Features
- ✔ Restored Functionality: Fixes non-working power windows, door locks, interior/exterior lights, and windshield wipers.
- ✔ HVAC Control: Solves issues with an inoperative blower motor or unresponsive climate controls.
- ✔ Security System Fix: Eliminates false alarms, immobilizer issues, and starting problems related to the security system.
- ✔ VIN Programmed: Arrives ready for installation with the latest GM software updates, requiring no additional dealership visits.
- ✔ Clear DTCs: Corrects common Diagnostic Trouble Codes such as B1001 related to the airbag system (post-install sync may be needed).
- ✔ No Core Charge: A hassle-free purchase with no need to return your old, faulty part.
Installation and Post-Install Procedures
Replacing the 2007-2011 Sierra 2500 BCM is straightforward for a DIYer with basic tools. The module is typically located under the driver’s side dashboard, near the steering column. After the physical swap, a couple of procedures may be necessary depending on your vehicle’s configuration. If the airbag warning light appears, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ function. Additionally, a ‘Brake Pedal Position Relearn’ might be required to ensure proper brake light and stability control operation. Always consult a service manual for vehicle-specific instructions.
Frequently Asked Questions
What does the BCM do on a 2007-2011 GMC Sierra 2500?
The BCM acts as the main computer for your truck’s body electronics. It controls non-engine related functions like power windows, door locks, lighting, the security system, HVAC, and wipers.
Will I need to get this module programmed by a dealer?
No. We pre-program the module to your vehicle’s VIN before shipping. This makes the installation plug-and-play, saving you the time and expense of a dealership visit.
Is this part difficult to install?
The physical installation is relatively simple, usually taking less than 30 minutes. It’s located under the steering column. However, some post-installation electronic procedures, like an airbag system sync, may require a professional scan tool.
My airbag light is on after installing the new BCM. What should I do?
This is a common occurrence. You will need to have a technician with an advanced diagnostic tool perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the new BCM with your vehicle’s airbag system.
Do I have to send my old part back?
No, there is no core charge for this part. You can keep or dispose of your original module without any additional fees.