Restore Your Acadia’s Electrical System with a Plug-and-Play Solution
Are you dealing with frustrating and unpredictable electrical problems in your 2007-2012 GMC Acadia? Flickering lights, unresponsive power windows, a security system that acts up, or even a vehicle that refuses to start can all point to a failing Body Control Module (BCM). As the central command center for your vehicle’s body electronics, a faulty BCM can turn your reliable SUV into a source of daily headaches. I’ve seen it countless times in the shop: a customer comes in, exasperated by a vehicle that seems to have a mind of its own. In most of these cases, the BCM is the culprit.
This isn’t just a replacement part; it’s a complete, hassle-free solution. We offer a professional Cloning Service for this BCM. Simply provide your vehicle’s VIN after purchase, and our technicians will program the module with the latest GM software specific to your Acadia. This means no expensive trips to the dealership for programming. When the part arrives at your door, it’s ready for installation, saving you significant time and money.
From the Diagnostic Bay: The Case of the Water-Damaged Acadia
A customer brought in an ’09 Acadia with a classic BCM failure story. The dome lights wouldn’t turn off, the driver’s side power window was dead, and the remote key fob worked intermittently. A scan revealed a slew of communication codes (U-codes). Upon inspection, we found evidence of water intrusion near the driver’s side A-pillar, a known issue on this platform. The moisture had seeped down and corroded the BCM connectors and internal board. By replacing the faulty unit with a pre-programmed module like this one and fixing the leak, we restored all functions in a single afternoon, avoiding a costly and lengthy dealership visit for the owner.
Is Your Acadia Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is the likely solution.
- ✔ Power windows, door locks, or mirrors operating erratically or not at all.
- ✔ Interior or exterior lights staying on or not turning on.
- ✔ The security system or keyless entry malfunctioning.
- ✔ The instrument cluster displaying incorrect information or warning lights.
- ✔ Unexplained battery drain when the vehicle is off.
- ✔ Communication error codes, such as U0140 (Lost Communication With Body Control Module).
- ✔ A no-start condition where the engine cranks but won’t fire up due to security system lock-out.
A Straightforward Guide to Installation
Installing your pre-programmed 2007-2012 Acadia BCM is a manageable job for a confident DIYer. While the exact location can vary slightly, it’s typically found on the driver’s side, under the dashboard.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Locate the BCM: On the Acadia, it’s usually mounted to the left of the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that must be depressed to release. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Mount the new, pre-programmed BCM in place of the old one and securely reconnect all electrical connectors.
- Reconnect Power: Reattach the negative battery terminal.
- Perform Post-Install Procedures: Start the vehicle and check all functions. As noted below, certain relearn procedures may be necessary depending on your vehicle’s specific configuration.
Important Post-Installation Information
After installation, your vehicle may require one or more of the following procedures to ensure full functionality. This is a normal part of the process.
- 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 new BCM with the airbag system.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure brake lights and stability control systems function correctly.
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Verified Vehicle Compatibility
This BCM is a direct replacement for a wide range of GM vehicles and part numbers. Please verify that your vehicle and part number are listed below. This module is compatible with 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.
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, 22860591
CTS 08-13 Body Control (BCM); LH dash / RH 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 / ESV / EXT 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
EXPRESS/SAVANA VANS 08-12 Body Control (BCM); (center dash)
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)
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, 25892622
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898, 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 / YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
Frequently Asked Questions
How does the programming service work?
After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN. Our technicians use this to flash the module with the correct software and calibration files from GM for your specific vehicle. This ensures it works correctly right out of the box.
Do I need to send my old BCM to you?
No, this is not a repair service for your original part. We provide a quality replacement BCM that is programmed using your VIN. We do not require your original module, also known as a core.
Is this part difficult to install myself?
For someone with moderate mechanical skill, it’s a very manageable job. It primarily involves removing a dash panel and swapping the module. The key benefit of our service is that the difficult programming part is already done for you.
What tools are needed for the post-installation procedures?
The Airbag System Sync and Brake Pedal Position Relearn procedures require a high-level, bi-directional diagnostic scan tool, like a GM Tech 2, MDI, or equivalent professional-grade scanner. Basic OBD-II code readers cannot perform these functions.
Will this fix my ‘Service StabiliTrak’ message?
While a failing BCM can contribute to StabiliTrak or traction control warnings, it’s not the only cause. This issue can also be caused by wheel speed sensors, the steering angle sensor, or the brake pedal position sensor. Proper diagnosis is key, but if your BCM has failed, this will be a critical part of the repair.
What is your policy on the original core?
We do not require your original BCM. The customer’s original module is always returned to them along with the programmed replacement unit. We do not keep the core.