Is Your GMC Acadia Acting Possessed? The BCM is Likely the Culprit.
If your 2007-2012 GMC Acadia is suddenly plagued by a host of bizarre electrical problemsโpower windows with a mind of their own, door locks clicking randomly, dash lights flickering, or the radio cutting outโyou’re not alone. In my 20+ years as a diagnostic technician, I’ve seen these exact symptoms hundreds of times, and the root cause is almost always a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s comfort and convenience features, and when it goes, it can make your SUV feel haunted.
Real-World Diagnosis: “A customer’s 2011 Acadia came into my shop last week with these exact symptomsโpower locks going crazy, radio dead, and the dash lit up like a Christmas tree. After a quick check, I found the classic signs of water intrusion down the driver’s side A-pillar. The original BCM was corroded from a slow leak. It’s a textbook failure on these vehicles, but thankfully, it’s a straightforward fix with the right part.”
The Direct Solution: A VIN-Programmed BCM
Don’t let a faulty module sideline your vehicle. This replacement Body Control Module is the definitive solution to restore your Acadia’s functionality. We take the hassle and high cost out of the repair by programming the module to your vehicle’s specific VIN before we ship it. This means it arrives at your door ready for installation, with the latest GM software updates already loaded. You get a reliable repair without the expensive trip to the dealership for programming.
Key Benefits of This Module:
- โ VIN-Programmed for Your Acadia: Simply provide your VIN at checkout, and we handle the complex programming for you.
- โ Restores Full Functionality: Get your power windows, locks, lighting, security system, and other body electronics working correctly again.
- โ No Dealer Visit Required: This module is a true plug-and-play solution, saving you hundreds in dealer programming fees.
- โ Loaded with Latest GM Software: Ensures optimal performance and compatibility with your vehicle’s systems.
- โ Fixes Common Electrical Gremlins: The permanent fix for flickering lights, dead accessories, and false warning messages.
Easy Installation Guide for your 2007-2012 Acadia BCM
Replacing the BCM on your Acadia is a job you can do at home with basic tools. The module is located under the driver’s side of the dashboard, to the left of the steering column.
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Gain Access: Remove any lower dash trim panels necessary to access the BCM.
- Disconnect: Carefully unplug the multiple electrical connectors from the old BCM. Most have a locking tab that needs to be depressed.
- Remove Old Module: Unbolt or unclip the old BCM from its mounting bracket.
- Install New Module: Mount your new, pre-programmed BCM in the same location.
- Reconnect: Firmly plug all electrical connectors into the new module until they click into place.
- Power Up: Reconnect the negative battery terminal.
Important Post-Installation Steps
After installation, a couple of final steps are required to sync the new BCM with your vehicle’s other systems. These procedures require a bi-directional scan tool.
- Airbag System Sync: You must perform the ‘Setup SDM Primary Key in BCM’ procedure. This step is critical to clear the airbag warning light and ensure the safety system is operational.
- Brake Pedal Position Sensor Relearn: Some vehicles will require a brake pedal position sensor relearn to ensure proper communication with the stability control system.
Guaranteed Compatibility
This BCM is a direct replacement for part number 25847589 and is also interchangeable with the following 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 module fits a wide range of GM vehicles, including:
- 2007-2012 Acadia
- 2008-2012 Enclave
- 2009-2012 Traverse
- 2006-2013 Impala / 2006-2007 Monte Carlo
- 2008-2012 Express & Savana Vans
- 2010 Tahoe, Yukon, Suburban, Escalade, Avalanche (verify ID)
- And many more models listed in the fitment chart.