Restore Full Electrical Function to Your Buick Enclave
Are you dealing with baffling electrical issues in your 2008-2012 Buick Enclave? Flickering lights, unresponsive power windows, or a security system that acts up on its own are classic signs of a failing Body Control Module (BCM). As the central command for your vehicle’s comfort and convenience features, a faulty BCM can make driving a frustrating experience. In my 20+ years as a technician, I’ve seen how a single failing module can create a cascade of problems that seem unrelated, often leading to expensive and incorrect diagnoses.
This replacement Body Control Module, compatible with part number 15299986, is the definitive solution. We’ve taken the complexity out of the repair with our professional cloning service. Simply send us your original BCM, and we will transfer all the critical vehicle-specific data—including key information and security settings—to this replacement unit. The result is a truly plug-and-play module, eliminating the need for costly dealership programming or special diagnostic tools. You get a reliable fix that restores your Enclave’s functions precisely as the factory intended.
A Technician’s Notebook
I recall a 2011 Enclave that came into the bay with some of the strangest symptoms I’d seen in a while. The owner reported the dome lights would pulse dimly at night, the liftgate would occasionally refuse to open, and the radio would sometimes change stations on its own. There were no consistent trouble codes, just a few intermittent communication faults (U-codes). After checking the main power and ground connections, we focused on the BCM. By monitoring its data stream, we saw erratic voltage outputs to the affected circuits. A new BCM with our cloning service solved every single issue. It’s a textbook example of how a failing 2008-2012 Enclave BCM can cause widespread electronic chaos.
Is Your Enclave Showing These Symptoms?
- ✔ Erratic or non-functional interior and exterior lighting (headlights, dome lights, taillights).
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The anti-theft or security system light flashing, preventing the engine from starting.
- ✔ The climate control system behaving unpredictably.
- ✔ False warnings appearing on the driver information center (DIC).
- ✔ Diagnostic trouble codes related to communication loss with the BCM (e.g., U0140).
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electronic component replacement.
- ✔ Locate the BCM: In the 2008-2012 Enclave, the BCM is located on the driver’s side, under the dashboard to the left of the steering column.
- ✔ Disconnect Wiring: Carefully unplug the electrical connectors from the module. Each connector has a locking tab that must be depressed or lifted to release it. Do not force them.
- ✔ Remove the Old Module: Unbolt the BCM from its mounting bracket and remove it from the vehicle.
- ✔ Install the Replacement: Mount your new, cloned BCM in the same position, reconnect the electrical harnesses securely, and finally, reconnect the negative battery terminal.
Important Post-Installation Information
While our cloning service makes this a plug-and-play repair, some vehicle systems may require a relearn procedure after the BCM is swapped. Please be aware of the following:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the airbag system with the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure correct brake light operation and to prevent issues with the traction control system.
Disclaimer: Procedures can vary. Always consult a factory service manual or a qualified professional for guidance specific to your vehicle.
Verified Vehicle Compatibility
This module is a direct replacement for part number 15299986 and other interchangeable numbers. It fits a wide range of GM vehicles. Please verify your part number and check the list below.
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
CAPRICE 11-13 Body Control (BCM)
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435, 20921436, or 22860591
CTS 08-13 Body Control (BCM); LH dash
DTS 06-11 Body Control (BCM); (RH center dash)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EQUINOX 07-09 Body Control (BCM); (center dash)
ESCALADE 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 08-12 Body Control (BCM)
EXPRESS 3500 VAN 08-12 Body Control (BCM)
G8 08-09 Body Control (BCM); (center dash)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
IMPALA 06-13 Body Control (BCM); (LH dash)
LUCERNE 06-11 Body Control (BCM); (right side dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
SAVANA 2500 VAN 08-12 Body Control (BCM)
SAVANA 3500 VAN 08-12 Body Control (BCM)
SRX 07-09 Body Control (BCM); LH dash
STS 10 Body Control (BCM); center dash
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
TORRENT 07-09 Body Control (BCM); (center dash)
TRAVERSE 09-12 Body Control (BCM); (LH dash)
VUE 08-10 Body Control (BCM); (center dash)
YUKON 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
Frequently Asked Questions
How does the cloning service work?
After you place your order, you will ship your original BCM to us. Our technicians will extract the essential vehicle-specific data from your module and transfer it to the replacement unit. We then ship both your original module and the ready-to-install replacement back to you.
Do I need to provide my VIN for this service?
No. For our cloning service, we only need your original BCM. The cloning process copies all necessary information, including security and key data, directly from your module, which is more comprehensive than programming with a VIN.
Is this 2008-2012 Enclave BCM truly plug-and-play?
Yes, in 99% of cases. Because we clone your original data, the replacement module is ready for installation without any need for dealer programming. In rare cases, a simple relearn procedure for the airbag or brake pedal sensor may be necessary, as noted above.
What if my airbag light is on after installation?
An airbag light indicates the new BCM needs to be synced with the vehicle’s SDM (airbag module). This requires a ‘Setup SDM Primary Key in BCM’ procedure, which can be performed by a professional shop with a high-level diagnostic tool.
Do you keep my original module?
Absolutely not. We always return your original (core) module along with the programmed replacement unit. We do not require a core exchange.