Tired of Unpredictable Electronics in Your GM Truck?
If your 2007-2011 GMC Yukon XL 1500 is experiencing a frustrating array of electrical problems—like the air conditioning cutting out, power windows refusing to work, or the security light flashing for no reason—you’re likely dealing with a failing Body Control Module (BCM). This module is the central command for your vehicle’s body electronics, and when it fails, it can cause chaos. This replacement BCM, equivalent to part number 15926094, arrives expertly programmed to your vehicle’s specific VIN, offering a direct, reliable solution that gets you back on the road without a costly trip to the dealership.
A Technician’s Notebook: The Ghost in the Machine
I remember a 2010 Yukon XL that came into my bay with a list of seemingly unrelated symptoms. The owner complained of intermittent radio failure, the driver’s side door lock working only half the time, and an airbag light that wouldn’t go off. He’d already replaced the battery and checked fuses. After connecting my scanner, I saw a handful of communication codes and the classic BCM internal failure code B1001. A faulty BCM was creating a communication breakdown across the vehicle’s network. Installing a VIN-programmed module like this one resolved all issues in under 15 minutes, restoring the vehicle’s functions and the owner’s peace of mind. These modules are a common failure point, but thankfully, a straightforward fix.
Is Your GM Truck Showing These Electrical Gremlins?
- ✔ The HVAC blower motor works intermittently or not at all.
- ✔ Power windows, door locks, or interior/exterior lights behave erratically.
- ✔ The anti-theft or security system malfunctions, potentially causing no-start conditions.
- ✔ An airbag warning light is illuminated on the dash, often with DTC B1001.
- ✔ You’re experiencing strange grounding issues or communication errors between modules.
A Straightforward Guide to BCM Installation
Replacing the BCM is a simple job that most DIYers can complete in their driveway. No complex procedures or special tools are required for the physical swap.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on electrical components.
- Locate the Module: The BCM is typically found under the driver’s side dashboard, to the left of the steering column.
- Remove and Replace: Carefully unplug the electrical connectors from the old BCM. It’s usually held in place by simple clips or a few small bolts. Remove the old module and install the new one in its place.
- Reconnect Everything: Securely plug all electrical connectors into the new BCM and reconnect the negative battery terminal.
- Post-Installation Checks: Start the vehicle and test all functions (lights, locks, windows, HVAC). If an airbag light appears, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ function. Some models may also require a ‘Brake Pedal Position Relearn’.
Verified Vehicle Compatibility
This module is a direct replacement for part number 15926094 and other interchangeable numbers, ensuring proper function on a wide range of General Motors trucks and SUVs. It is guaranteed to fit the following models:
GMC:
- 2007-2011 Yukon & Yukon XL 1500
- 2007-2011 Yukon XL 2500
- 2007-2013 Sierra 1500 / 2500 / 3500
- 2007-2013 Sierra Denali Models
Chevrolet:
- 2007-2011 Avalanche 1500
- 2007-2011 Tahoe
- 2007-2011 Suburban 1500 / 2500
- 2007-2013 Silverado 1500 / 2500 / 3500
Cadillac:
- 2007-2011 Escalade, Escalade ESV, & Escalade EXT
This module also interchanges with part numbers: 25835966, 15263363, 15263497, 15878753, 15284816, 15943678, 15940214, 25790508, 25844480, 20939137, 22860591 and more.
Frequently Asked Questions
What exactly does a Body Control Module do?
The BCM acts as the brain for your vehicle’s comfort and convenience features. It controls non-engine related functions like your lights, power windows and locks, wipers, security system, and HVAC fan speeds.
Is this module truly plug-and-play?
Yes, it is. We program the module to your vehicle’s VIN before shipping. This ensures it communicates correctly with your truck’s other systems right out of the box, eliminating the need for dealer programming.
Why is my airbag light on after installing the new BCM?
This is a common security measure. The new BCM needs to be electronically ‘introduced’ to the airbag’s computer (SDM). A professional scan tool is required to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the modules and turn off the light.
Do I need to send my old part back for a core charge?
No. We do not require a core return for this part. You can keep or dispose of your old module without any additional charges or hassle.
How can I be certain this will fix my 2007-2011 Yukon XL 1500 BCM issues?
If your vehicle is exhibiting multiple, seemingly random electrical failures as described, the BCM is the most common culprit. This VIN-programmed module is designed specifically to resolve those issues for your vehicle’s make and model year.