Is Your Buick Enclave Experiencing Strange Electrical Problems?
The Body Control Module, or BCM, is the central command center for your vehicle’s electronic accessories. It’s not part of the engine system, but it manages everything from your power windows and door locks to the interior lights, security system, and even the instrument cluster. When the BCM starts to fail, it can cause a cascade of bizarre and frustrating symptoms that are often misdiagnosed. If your Enclave’s lights are flickering, your remote key fob isn’t working, or you’re dealing with phantom warning lights on the dash, a faulty BCM is the likely culprit.
From the Diagnostic Bay
We had a 2011 GMC Acadia (which shares a platform with the Enclave) come into the shop with a classic “gremlin” case. The owner complained that sometimes the radio wouldn’t turn off after he shut the car off, draining the battery overnight. He’d already replaced the battery twice. A quick scan showed multiple communication loss codes with various modules. Instead of chasing individual components, we went straight to the BCM. A failing capacitor inside the module was causing intermittent power drops to the data network, leading to the unpredictable behavior. A new, properly programmed BCM solved the issue completely, saving the customer from more dead batteries and diagnostic headaches.
Your Direct-Fit 2008-2012 Enclave Body Control Module Solution
Don’t let a faulty computer dictate how your vehicle behaves. This Body Control Module is the definitive solution to restore full functionality to your vehicle’s electronics. We eliminate the guesswork and the expensive trip to the dealership by pre-programming the module specifically for your vehicle. Simply provide us with your Vehicle Identification Number (VIN) after purchase, and our technicians will flash the unit with the latest GM-certified software and vehicle-specific calibration files. This ensures that when you receive the part, it’s ready for installation and communication with your vehicle’s existing systems.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights (headlights, dome lights, etc.).
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The security system acting up, causing false alarms or preventing the car from starting.
- ✔ Inaccurate or dead gauges on the instrument panel.
- ✔ Remote keyless entry (fob) failure.
- ✔ Unexplained battery drain when the vehicle is off.
- ✔ Warning lights like the airbag or ABS light illuminating for no apparent reason.
Installation and Post-Install Procedures
While the physical installation is often straightforward, replacing a BCM is more than just swapping a box. Because this module communicates with other critical systems, some additional electronic steps, known as relearn procedures, may be required after installation. These procedures sync the new BCM with your vehicle’s other computers.
Required Procedures May Include:
- Airbag System Sync: If the airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This ensures the safety system is correctly synchronized.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure proper brake light operation and to keep the traction control system happy.
Please note: Specific procedures can vary by exact year and model. We always recommend consulting a factory service manual or a qualified technician for guidance.
Guaranteed Fitment for a Wide Range of GM Vehicles
This BCM is a direct replacement for multiple part numbers and fits a broad selection of GM cars, trucks, and SUVs. Please verify your original part number against the list below and confirm your vehicle is in the fitment chart.
Replaces Part Numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15880684, 15921352, 15921353, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084
This part will fit these makes and models with these options
Frequently Asked Questions
What does a Body Control Module do on my Enclave?
The Enclave Body Control Module acts as the brain for the vehicle’s cabin electronics and accessories. It manages non-engine related functions like power windows, locks, interior lighting, the security system, wipers, and communication between various electronic modules.
Is this BCM a simple plug-and-play installation?
It is a plug-in replacement, but not fully plug-and-play. We handle the critical programming to your VIN before shipping, which saves you a trip to the dealer. However, after installation, some vehicles may require additional ‘relearn’ procedures for systems like the airbags or brake pedal position sensor, which require a professional scan tool.
How do I provide my VIN for programming?
After you complete your purchase, simply send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot program and ship your module without it. You can find your VIN on your vehicle’s registration, insurance card, or on the driver’s side dashboard viewable through the windshield.
What happens if I don’t perform the post-installation procedures?
If a required relearn procedure is not performed, you may have persistent warning lights (like the airbag light) or certain features may not function correctly. For example, not performing the brake pedal position relearn could affect brake light operation or traction control.
Will this fix my specific electrical problem?
This module is a direct solution for a failed BCM. If your vehicle’s symptoms match those of a common BCM failure and a professional has diagnosed the BCM as the faulty component, this part will resolve those issues. It will not fix problems caused by bad wiring, faulty sensors, or other failing modules.
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your original module without needing to return it.