Tired of Unpredictable Electrical Problems in Your GMC Yukon?
If you’re dealing with a 2007-2011 GMC Yukon that seems to have a mind of its own—with flickering lights, a malfunctioning climate control system, or power windows that refuse to work—the root cause is often a failing Body Control Module (BCM). The BCM is the central computer for your vehicle’s body electronics, and when it starts to fail, it can cause a cascade of frustrating and seemingly unrelated issues. This VIN-programmed replacement BCM, equivalent to part number 25823559, is the definitive solution to restore order and reliability to your truck.
We take the guesswork and extra cost out of the repair. Unlike a generic module from a parts store, this unit arrives pre-programmed to your vehicle’s specific VIN. This means you can skip the expensive trip to the dealership for programming. It’s a true plug-and-play fix designed for both professional mechanics and determined DIYers.
From the Diagnostic Bay: The Case of the Haunted Yukon
I once had a 2009 Yukon XL in my shop with a laundry list of bizarre symptoms. The owner said the radio would sometimes shut off, the driver’s side window worked intermittently, and the security light would flash randomly, occasionally preventing the truck from starting. He’d already replaced the battery and checked the alternator. After hooking up my scanner, I saw a handful of communication codes but nothing pointing to a single component. This is a classic sign of a BCM failure. Instead of hours of chasing wires, we installed a VIN-programmed BCM. In under 10 minutes, every single one of his electrical gremlins was gone. It’s a perfect example of how replacing one central component can solve a dozen problems at once.
Is Your Yukon Showing These Electrical Warning Signs?
- ✔ The HVAC blower motor works only on some speeds or not at all.
- ✔ Your airbag warning light is on, often with a DTC like B1001 (Setup SDM Primary Key in BCM).
- ✔ Power windows, door locks, or interior/exterior lights operate erratically or have stopped working completely.
- ✔ The anti-theft or security system malfunctions, causing no-start conditions or stalling.
- ✔ You’re experiencing grounding issues, misfires, or other strange electrical behavior without a clear cause.
- ✔ A scan tool reveals multiple communication or body-related Diagnostic Trouble Codes (DTCs).
Your 5-Minute Path to a Perfect Fix
Replacing the 2007-2011 Yukon Body Control Module is a straightforward job that most vehicle owners can complete in their own driveway. No special tools are needed.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on electrical components.
- Locate the BCM: On most GM trucks and SUVs of this era, the BCM is located under the driver’s side of the dashboard, near the steering column. It’s a black box with several large electrical connectors.
- Swap the Module: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once unplugged, remove the old module (it’s often held by simple clips or a couple of small bolts) and install the new one in its place.
- Reconnect and Test: Securely plug all connectors into your new BCM. Reconnect the negative battery terminal. Start the vehicle and test all functions: lights, windows, locks, wipers, and HVAC to confirm the repair was successful.
After You Install: Important System Checks
While this module is plug-and-play for most functions, some integrated safety systems may require a quick sync. Don’t worry, this is normal.
- Airbag System: If your airbag warning light is illuminated after installation, a procedure called “Setup SDM Primary Key in BCM” is needed. This requires a professional-grade scan tool and syncs the new BCM with the airbag system.
- Brake Pedal Position: In some cases, a Brake Pedal Position (BPP) sensor relearn may be necessary to ensure your brake lights and traction control system function correctly. This can also be performed with a capable scan tool.
- No Core Charge: We don’t require you to send the old part back. There is no core charge, saving you time and hassle.
Verified Fitment for Your GM Truck or SUV
This Body Control Module is a direct replacement for part number 25823559 and is interchangeable with many other part numbers, including 25844480, 25835966, 15943678, 20939137, and 22860591. It is confirmed to fit a wide range of 2007-2013 General Motors vehicles, such as:
- GMC Yukon, Yukon XL, Sierra 1500/2500/3500, & Sierra Denali
- Chevrolet Tahoe, Suburban, Silverado 1500/2500/3500, & Avalanche
- Cadillac Escalade, ESV, & EXT
By ordering this pre-programmed 2007-2011 Yukon Body Control Module, you’re not just buying a part—you’re buying a lasting solution. Restore your vehicle’s full functionality and drive with confidence. Add to cart now!
Frequently Asked Questions
Do I need to program this BCM after I receive it?
No. This Body Control Module is delivered pre-programmed to your vehicle’s VIN. It is ready for installation right out of the box, saving you a costly trip to the dealership.
Is this BCM difficult to install myself?
Not at all. For most DIYers, the installation is very simple and takes less than 15 minutes. It involves locating the module under the dash, swapping a few electrical connectors, and securing the new unit.
What happens if my airbag light is still on after installation?
This is a common and expected situation. It simply means the new BCM needs to be synced with the airbag system’s computer (SDM). A mechanic with a professional scan tool can perform the “Setup SDM Primary Key in BCM” procedure to turn off the light.
What is a core charge?
A core charge is a deposit that is refunded when you return your old, failed part. We make it easy for you—this part has absolutely no core charge, so you don’t have to worry about sending anything back.
Will this fix my intermittent HVAC or blower motor issues?
Yes, in many cases. The BCM directly controls the climate control and blower motor logic. If your blower only works on certain speeds or cuts out randomly, a failing BCM is a very likely culprit.