End the Electrical Gremlins in Your GM Truck
If you’re dealing with a 2007-2011 GMC Yukon or a similar GM truck where the electronics have a mind of their own, you’re not alone. One minute the power windows work, the next they don’t. The A/C blower motor quits randomly, the security light flashes, or you’re staring at an annoying airbag warning on the dash. In my 20+ years of diagnostics, these ghost-in-the-machine problems almost always point to one component: a failing Body Control Module (BCM). The BCM is the central hub for your truck’s body electronics, and when it starts to fail, it creates a cascade of frustrating issues. This isn’t just an inconvenience; it can be a safety issue.
This replacement Body Control Module, which interchanges with part number 15284816, is the definitive solution. We take the hassle and high cost out of the repair by programming the module to your vehicle’s specific VIN before we ship it. This means you can skip the expensive trip to the dealership for programming. It arrives at your door ready for a plug-and-play installation, restoring the function and reliability you depend on from your truck.
Case Study: A Technician’s Notebook
A customer brought in his 2009 Sierra 2500 with a laundry list of complaints: intermittent radio, passenger window inoperative, and the dreaded airbag light. He’d already replaced the window switch and checked fuses. A quick scan revealed multiple communication loss codes (U-codes) and a B1001 for the airbag system. This immediately pointed me to the BCM. After confirming the main power and ground connections to the module were solid, we installed a VIN-programmed BCM. All the electrical gremlins vanished. However, the B1001 code remained. This is a classic scenario where the new BCM needs to be electronically introduced to the SDM (airbag module). Using a capable scan tool, we performed the ‘Setup SDM Primary Key in BCM’ function, and the light went out for good. This highlights why a pre-programmed module is a huge time-saver, but also why having access to a good scan tool for post-install procedures is sometimes necessary for a complete fix.
Is Your Truck Exhibiting These Symptoms?
- ✔ The HVAC fan works intermittently or won’t turn on at all.
- ✔ Power windows, door locks, or mirrors operate sporadically or have failed completely.
- ✔ An airbag warning light is illuminated, often with DTC B1001 (Configuration Not Learned).
- ✔ The anti-theft or security system acts up, causing no-start or stalling conditions.
- ✔ Headlights, taillights, or interior lights flicker or don’t work correctly.
- ✔ Your scanner shows various communication or body-related Diagnostic Trouble Codes (DTCs).
Your 5-Minute BCM Installation Guide
Replacing the BCM is one of the more straightforward electronic repairs you can do. For most DIYers, the physical swap takes less than five minutes.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery to prevent electrical shorts.
- Locate the Module: The BCM is located under the driver’s side of the dashboard, usually to the left of the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: The module is held in by retaining clips or a couple of small bolts. Unplug the large electrical connectors—they have locking tabs that need to be depressed—and remove the old BCM.
- Install the New BCM: Seat the new, pre-programmed BCM in the mounting bracket and securely plug in all the electrical connectors. You’ll hear a ‘click’ when they’re fully seated.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all functions: windows, locks, lights, wipers, and the HVAC system.
- Post-Installation Checks: As noted, if the airbag light is on, a ‘Setup SDM Primary Key’ procedure is needed. Some models may also require a Brake Pedal Position sensor relearn. These procedures require a bi-directional scan tool.
Verified Fitment for Your GM Truck or SUV
This module is a direct 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, ensuring broad compatibility for your repair.
CADILLAC ESCALADE 07-11
CADILLAC ESCALADE ESV 07-11
CADILLAC ESCALADE EXT 07-11
CHEVROLET SILVERADO 1500 07-11
CHEVROLET SILVERADO 2500 07-11, 13
CHEVROLET SILVERADO 3500 07-11, 13
CHEVROLET SUBURBAN 1500 07-11
CHEVROLET SUBURBAN 2500 07-11
CHEVROLET TAHOE 07-11
GMC SIERRA 1500 07-11
GMC SIERRA 2500 07-11, 13
GMC SIERRA 3500 07-11, 13
GMC SIERRA DENALI 07-10
GMC SIERRA DENALI 1500 11
GMC SIERRA DENALI 2500 11, 13
GMC SIERRA DENALI 3500 11, 13
GMC YUKON 07-11
GMC YUKON XL 1500 07-11
GMC YUKON XL 2500 07-11
Don’t let a faulty module keep you off the road or dealing with daily annoyances. This VIN-programmed 2007-2011 Yukon Body Control Module is the reliable, cost-effective fix to get your truck’s features working like new again.
Why is my new BCM pre-programmed?
We program the module to your vehicle’s VIN before shipping. This ensures it communicates correctly with your truck’s other electronic systems, like the engine controller and instrument cluster, saving you a costly programming fee at a dealership.
Where is the BCM located on my 2008 Sierra or Tahoe?
On most GM trucks and SUVs from this era, the Body Control Module is found under the driver’s side dashboard, typically to the left of the steering column and above the emergency brake pedal.
What do I do if the airbag light stays on after installation?
This is common. It means the new BCM needs to be synchronized with the airbag system’s computer (SDM). This requires a professional scan tool to perform the ‘Setup SDM Primary Key in BCM’ function. Most local repair shops can perform this service.
Do I need to send my old part back?
No, there is no core charge for this part. You can keep or dispose of your old module without any hassle.
Will this fix my A/C that only works sometimes?
An intermittent HVAC blower is one of the most common symptoms of a failing BCM in these GM trucks. While not a guarantee for every situation, replacing a faulty BCM is a very frequent solution for this exact problem.