Restore Full Electrical Function to Your GM Truck or SUV
If you’re dealing with baffling electrical issues in your 2007-2011 GMC Yukon XL 2500—like lights that won’t turn off, power windows with a mind of their own, or a persistent airbag warning light—a failing Body Control Module (BCM) is the likely culprit. As a technician with over two decades of diagnostic experience, I’ve seen how a faulty BCM can turn a reliable vehicle into a source of daily frustration. This module is the central command for your vehicle’s body electronics, and when it fails, chaos ensues. Our replacement BCM, a direct alternative for part number 15284816, is the definitive solution, arriving pre-programmed to your vehicle’s VIN for a hassle-free, plug-and-play installation.
A Technician’s Notebook: The Case of the Phantom Drain
A customer brought in their 2009 Sierra 2500 with a dead battery every morning. They’d already replaced the battery and alternator, but the problem persisted. After ruling out the usual suspects, I hooked up my scanner and saw multiple communication loss codes with the BCM. The module wasn’t letting other systems go to ‘sleep’ when the truck was off, causing a significant parasitic draw. Installing a VIN-programmed BCM didn’t just fix the draw; it also cleared up an intermittent A/C blower issue the owner had forgotten to mention. This is a classic example of how a single failing Yukon XL 2500 BCM can create multiple, seemingly unrelated problems.
Is Your Yukon Exhibiting These BCM Failure Signs?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s time to consider a replacement:
- ✔ Intermittent or non-functional power windows, door locks, or interior lights.
- ✔ HVAC controls not responding or the blower motor working erratically.
- ✔ The security system acting up, causing no-start or stalling conditions.
- ✔ An airbag light that won’t go away, often accompanied by DTC B1001 (Setup SDM Primary Key in BCM).
- ✔ Unpredictable behavior from windshield wipers or exterior lighting.
- ✔ A dashboard lit up with various communication or body-related Diagnostic Trouble Codes (DTCs).
Your 5-Minute Installation Guide
One of the biggest benefits of our pre-programmed module is the simple installation. You don’t need to be a professional mechanic to get your truck back in order. The entire process typically takes less time than a coffee break.
- Safety First: Always begin by disconnecting the negative terminal on your vehicle’s battery to prevent any electrical shorts.
- Locate the BCM: On most GM trucks and SUVs of this era, the BCM is located under the driver’s side dashboard, near the steering column. It’s a black box with several large electrical connectors.
- Swap the Modules: Carefully depress the locking tabs on each wiring harness connector and pull them straight out. Remove the fasteners holding the old BCM in place, swap it with your new module, and secure it.
- Reconnect & Test: Plug the wiring harnesses firmly into the new BCM until they click. Reconnect the battery terminal. Start the vehicle and test all functions—lights, windows, locks, wipers, and A/C.
- Post-Install Checks: If the airbag light appears, a special procedure may be needed. See the note below.
Important Post-Installation Note: While our VIN programming handles most functions, some security systems require an extra step. If your airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ function. This syncs the new BCM with the airbag system. Some models may also require a ‘Brake Pedal Position Relearn’ for proper traction control and brake light operation.
Verified Fitment for Your GM Truck or SUV
This Body Control Module is a direct-fit replacement for a wide range of General Motors vehicles. Please verify your model and year below. This part is interchangeable with several part numbers, including 25844480, 25835966, 15263363, 15943678, and more.
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25835966
SIERRA 2500 PICKUP 08-11 Body Control (BCM); (under steering column)
SIERRA DENALI 2500 11 Body Control (BCM); (under steering column)
SIERRA DENALI 3500 13 Body Control (BCM); (under steering column), ID 25835966
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 25835966
SUBURBAN 2500 10 Body Control (BCM), (under steering column)
YUKON XL 2500 09-11 Body Control (BCM); (under steering column)
ESCALADE EXT 07-09 Body Control (BCM); (under steering column)
SIERRA 3500 PICKUP 08-11 Body Control (BCM); (under steering column)
TAHOE 07 Body Control (BCM); (under steering column)
YUKON 07 Body Control (BCM); (under steering column)
ESCALADE EXT 11 Body Control (BCM); (under steering column)
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 25835966
AVALANCHE 1500 08-09 Body Control (BCM); (under steering column)
SILVERADO 1500 PICKUP 08-11 Body Control (BCM); (under steering column)
TAHOE 09 Body Control (BCM); (under steering column)
SIERRA 1500 PICKUP 10-11 Body Control (BCM); (under steering column)
SIERRA 2500 PICKUP 13 Body Control (BCM); (under steering column), ID 25835966
SILVERADO 2500 PICKUP 09-11 Body Control (BCM); (under steering column)
SUBURBAN 2500 07-09 Body Control (BCM); (under steering column)
YUKON 11 Body Control (BCM), (under steering column)
ESCALADE 11 Body Control (BCM); (under steering column)
ESCALADE ESV 11 Body Control (BCM); (under steering column)
SUBURBAN 1500 07-09 Body Control (BCM); (under steering column)
AVALANCHE 1500 07 Body Control (BCM), (under steering column)
SIERRA 3500 PICKUP 07 Body Control (BCM); new style (smooth door skin), (under steering column)
SILVERADO 3500 PICKUP 08 Body Control (BCM), (under steering column)
TAHOE 10 Body Control (BCM); (under steering column), ID 25835966
YUKON 08 Body Control (BCM), (under steering column)
YUKON 09 Body Control (BCM); (under steering column)
SIERRA 3500 PICKUP 13 Body Control (BCM); (under steering column), ID 25835966
SIERRA DENALI 2500 13 Body Control (BCM); (under steering column), ID 25835966
SILVERADO 1500 PICKUP 07 Body Control (BCM); new style (smooth door skin), (under steering column)
SILVERADO 3500 PICKUP 09-11 Body Control (BCM); (under steering column)
SILVERADO 3500 PICKUP 13 Body Control (BCM); (under steering column), ID 25835966
TAHOE 08 Body Control (BCM)
YUKON XL 2500 07-08 Body Control (BCM), (under steering column)
SIERRA DENALI 07 Body Control (BCM); new style (smooth door skin), (under steering column)
SIERRA DENALI 1500 11 Body Control (BCM); (under steering column)
SILVERADO 2500 PICKUP 13 Body Control (BCM); (under steering column), ID 25835966
YUKON 10 Body Control (BCM); (under steering column), ID 25835966
YUKON XL 1500 07-09 Body Control (BCM), (under steering column)
YUKON XL 1500 11 Body Control (BCM); (under steering column)
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25835966
SIERRA 2500 PICKUP 07 Body Control (BCM); new style (smooth door skin), (under steering column)
ESCALADE 07-09 Body Control (BCM); (under steering column)
SIERRA 1500 PICKUP 07 Body Control (BCM); new style (smooth door skin), (under steering column)
SIERRA 1500 PICKUP 09 Body Control (BCM), (under steering column)
SIERRA DENALI 3500 11 Body Control (BCM); (under steering column)
SUBURBAN 2500 11 Body Control (BCM); (under steering column)
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25835966
SIERRA 1500 PICKUP 08 Body Control (BCM); (under steering column)
SIERRA DENALI 08-10 Body Control (BCM); (under steering column)
SUBURBAN 1500 11 Body Control (BCM); (under steering column)
ESCALADE 10 Body Control (BCM); (under steering column), ID 25835966
SILVERADO 2500 PICKUP 07 Body Control (BCM); new style (smooth door skin), under steering column)
SILVERADO 2500 PICKUP 08 Body Control (BCM), (under steering column)
SILVERADO 3500 PICKUP 07 Body Control (BCM); new style (smooth door skin), (under steering column)
AVALANCHE 1500 11 Body Control (BCM)
TAHOE 11 Body Control (BCM); (under steering column)
Frequently Asked Questions
Is this BCM truly plug-and-play?
Yes. We program the module to your vehicle’s specific VIN before shipping. This ensures it communicates correctly with the other computers in your truck, eliminating the need for expensive dealership programming for most functions.
What if my airbag light stays on after installation?
This is a common security feature. You will need a qualified technician with a high-level scan tool to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the airbag system to the new BCM and resolves the light.
Why is my 2007 listed as ‘new style (smooth door skin)’?
In 2007, GM produced both the old body style (classic) and the new GMT900 platform. The ‘new style’ with the smooth door skin indicates the GMT900 platform, which this BCM fits. The classic body style uses a different module.
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 hassle or extra fees.
Will this fix my specific issue?
This module is the definitive fix for a wide range of electrical problems caused by a faulty Yukon XL 2500 BCM. By replacing the central controller for body electronics, you restore proper function to lights, locks, windows, HVAC, and more, resolving many common faults.