Restore Your Vehicle’s Electrical System with a Plug-and-Play BCM
Is your GMC Yukon, Chevy Silverado, or Cadillac Escalade plagued by frustrating electrical problems? 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 vehicle’s body electronics, and when it malfunctions, it can cause a cascade of seemingly unrelated issues. This genuine GM Body Control Module, part number 25844480, is the definitive solution to restore full functionality and reliability to your truck or SUV.
Unlike generic modules that require expensive trips to the dealership for programming, this BCM arrives at your door pre-programmed to your vehicle’s specific Vehicle Identification Number (VIN). This ensures a seamless, plug-and-play installation process. Simply provide your VIN at checkout, and our technicians will flash the module with the latest GM software, making it ready to install right out of the box. This critical step saves you time, money, and the headache of coordinating with a dealer service center.
From the Diagnostic Bay
We had a 2009 Silverado 2500 come into the shop with a bizarre list of complaints. The owner said the radio would turn on by itself, the door locks would cycle randomly while driving, and the HVAC blower was completely dead. A quick scan revealed a dozen communication codes all pointing back to the BCM. After confirming the main power and ground connections to the module were solid, we knew the BCM itself was the culprit. We installed a VIN-programmed 25844480 module in under 10 minutes. Upon startup, every single issue was resolved. It’s a perfect example of how one faulty module can wreak havoc on the entire vehicle, and how the right part makes for a simple, effective repair.
Diagnosing Your 2007-2011 Yukon BCM Failure
A failing BCM can manifest in numerous ways, often mimicking other problems. If you’re experiencing any of the symptoms below, your Body Control Module is the most likely cause. Replacing it can resolve complex electrical issues that are otherwise difficult and expensive to diagnose.
Common Symptoms of a Faulty BCM
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ Interior or exterior lights flickering, staying on, or failing to turn on.
- ✔ HVAC system problems, such as an inoperative blower motor or incorrect temperature control.
- ✔ An illuminated airbag warning light, often with Diagnostic Trouble Code (DTC) B1001.
- ✔ Security system malfunctions, including random alarm activation or a no-start condition.
- ✔ Wipers behaving erratically or not working.
- ✔ Communication errors with other vehicle modules, leading to various warning lights on the dash.
Installation and Post-Install Procedures
Installation is straightforward for most DIY mechanics. The BCM is typically located under the driver’s side dashboard, near the steering column. In most cases, it’s a simple process of disconnecting the negative battery terminal, unplugging the electrical connectors from the old module, removing it, and installing the new one in its place. However, please be aware of potential post-installation steps:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed. This requires a professional-grade scan tool and syncs the new BCM with the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure proper brake light and traction control operation.
This module is a direct replacement for a wide range of part numbers, including: 25835966, 15263363, 15263497, 15878753, 15284816, 15943678, 15926094, 15940214, 25790508, 25790509, 25823558, 25823559, 25835965, 25844479, 25971916, 25971917, 15901388, 20939137, 20939138, and 22860591. Order today and get your vehicle’s essential systems working like new again.
Frequently Asked Questions
Do I need to get this BCM programmed by a dealer?
No. We pre-program the module to your vehicle’s VIN before shipping. It arrives ready for a plug-and-play installation, saving you a costly trip to the dealership.
What happens if my airbag light comes on after installation?
This is a known possibility. You will need a technician with a high-level scan tool to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the modules and clear the light.
Where is the BCM located on my 2008 GMC Sierra?
On most compatible GM trucks and SUVs, including the Sierra, the BCM is located under the driver’s side of the dashboard, typically to the left of the steering column.
Is there a core charge for this part?
No, there is no core charge. You can keep your old module without any obligation to return it.
Will this fix my intermittent no-start problem?
A faulty BCM can definitely cause a no-start condition by interfering with the vehicle’s security or immobilizer system. If your symptoms match those of a failing BCM, this part is a very likely solution.