Restore Your Acadia’s Electrical System with a Plug-and-Play Solution
Are you chasing electrical gremlins in your 2007-2012 GMC Acadia? Flickering lights, a dead instrument cluster, power windows with a mind of their own, or strange security system alerts are all classic signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s comfort and convenience features. When it starts to fail, it can make driving frustrating and unpredictable. Instead of spending a fortune at the dealership on diagnostics and programming, get a reliable, direct-fit solution that arrives ready to install.
This Body Control Module is professionally programmed to your vehicle’s specific VIN before it ships. We load the latest GM software updates, ensuring optimal performance and compatibility. This critical step means you can avoid the hassle and expense of a dealership visit for programming. It’s the most efficient way to get your vehicle back to 100% functionality.
A Technician’s Notebook: The Case of the Spooky SUV
I had a 2011 Acadia roll into my bay last month with a list of complaints that sounded like a haunting. The owner said the dome lights would stay on, the radio would randomly shut off, and the “Service StabiliTrak” light was on. A scan tool pulled multiple communication error codes (U-codes). My experience immediately pointed to the BCM. These modules, especially on the Lambda platform (Acadia, Enclave, Traverse), are known to fail internally, causing a data storm on the CAN bus network that disrupts other modules. After confirming power and ground to the BCM were solid, we replaced it with a VIN-programmed unit. The new module restored communication, cleared all the codes, and fixed every single symptom. This part is often the key to solving these widespread electrical mysteries.
Is Your Acadia Showing These Symptoms?
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, a failing Body Control Module is the likely culprit:
- ✔ Erratic or non-functional interior and exterior lights (headlights, taillights, dome lights).
- ✔ Power windows, locks, or mirrors not working correctly or at all.
- ✔ Instrument panel gauges behaving erratically or going dark.
- ✔ Vehicle security system acting up, or the engine not starting due to a false security trigger.
- ✔ The radio or infotainment system randomly turning on or off.
- ✔ Warning messages like “Service StabiliTrak” or “Service Traction Control” appearing on the dash.
- ✔ Communication-related Diagnostic Trouble Codes (DTCs), such as U0140, U0155, or other U-codes.
Your Guide to a Smooth BCM Installation
Replacing the BCM in your Acadia is a manageable job for a confident DIYer. Our pre-programming service handles the most complex part for you. Follow these general steps for a successful installation.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down before starting work.
- Locate the BCM: In the 2007-2012 Acadia, the BCM is typically located on the left-hand (driver’s) side of the dashboard, often behind the lower dash panel near the steering column.
- Access the Module: You may need to remove a lower dash trim panel to get clear access to the BCM. These panels are usually held in with clips and a few screws.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket and remove it from the vehicle.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and reconnect all electrical connectors, ensuring they click securely into place.
- Final Steps & Relearns: Reinstall any trim panels you removed and reconnect the negative battery terminal. Start the vehicle and check for proper function of lights, locks, and windows. As noted below, certain relearn procedures may be required depending on your vehicle’s configuration.
Post-Installation Procedures
While our programming handles the heavy lifting, some vehicles may require simple relearn procedures after installation. This is normal and ensures all related systems communicate correctly with the new module.
- Airbag System Sync: If your airbag warning light is on after installation, a simple “Setup SDM Primary Key in BCM” procedure is needed. This syncs the airbag system with the new BCM and can be performed with a compatible high-level scan tool.
- Brake Pedal Position Relearn: To ensure brake lights and stability control work perfectly, a brake pedal position sensor relearn might be necessary. This is also done with a professional-grade diagnostic tool.
Disclaimer: Always consult a factory service manual for your specific vehicle for detailed instructions and torque specs. While this is a direct-fit part, procedures can vary slightly.
Verified Vehicle Compatibility
This BCM is a direct replacement for multiple part numbers and fits a wide range of GM vehicles. Please verify your vehicle is on this list. This module is guaranteed to fit and function in the following models, replacing 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, and 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, or 22860591
CTS 08-13 Body Control (BCM); LH dash
CTS 08 Body Control (BCM); 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 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 06-12 Body Control (BCM); (LH dash)
IMPALA 13 Body Control (BCM); (LH dash), ID 22820315
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
Why do I need to provide my VIN?
Your VIN is essential for us to program the Body Control Module with the exact software and vehicle-specific options your Acadia came with from the factory. This ensures all features work correctly and makes the installation plug-and-play, saving you a trip to the dealer.
Is this a difficult part to replace myself?
For someone with basic mechanical skills and tools, this is a very manageable repair. The main challenge is accessing the module, which is usually behind a dash panel. Since we handle the programming, the most difficult part of the job is already done for you.
What happens if I don’t replace a failing BCM?
Ignoring a failing BCM can lead to more than just annoyance. It can cause safety issues like malfunctioning lights, anti-theft problems that prevent the car from starting, and can even affect the performance of related systems like traction control. It’s best to address the problem promptly.
Is there a core charge for this part?
No, there is no core charge. You can keep your old module without needing to send it back to us.
Will I need a special tool for the post-installation procedures?
The Airbag System Sync and Brake Pedal Position Relearn, if required, need a professional-grade bidirectional scan tool. Many local repair shops can perform these simple relearns for a small fee if you don’t have access to one.