Restore Control and End Electrical Frustrations in Your Acadia
Are you chasing electrical gremlins in your 2007-2012 GMC Acadia? Flickering lights, malfunctioning power windows, a security system that has a mind of its own, or strange warning messages on the dash are all classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it starts to fail, it can cause a cascade of confusing and unpredictable problems. Stop the guesswork and replace the faulty unit with a reliable, pre-programmed solution.
This isn’t just a replacement part; it’s a complete fix. We take the hassle and high cost out of the repair by programming this module specifically to your vehicle’s VIN before we ship it. This means you receive a part that’s ready for installation, saving you a trip to the dealership and their expensive programming fees. We load the latest software from GM, ensuring optimal performance and compatibility. This is the definitive solution for restoring your Acadia’s electronic stability and your peace of mind.
A Technician’s Notebook: The Case of the Haunted Acadia
I remember a 2011 Acadia that came into my bay with a list of complaints that seemed completely unrelated. The owner said the interior lights would stay on, the driver’s side window wouldn’t work intermittently, and the remote key fob was unreliable. He’d already replaced the battery and checked fuses. My initial scan showed a dozen communication codes (U-codes) between various modules. This is a tell-tale sign. Instead of a dozen separate problems, it points to one central failure. The BCM acts as the network gateway. After confirming power and ground to the BCM were solid, we knew it was the culprit. Swapping in a pre-programmed BCM like this one resolved every single issue in under an hour. The customer was thrilled to have his vehicle back to normal without a massive bill.
Common Signs of a Failing BCM
If your vehicle is experiencing any of the following, a faulty BCM is the most likely cause. Don’t let these issues go unresolved, as they can affect vehicle safety and security.
- ✔ Erratic or non-functional interior and exterior lights (headlights, taillights, dome lights).
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The security system acting up, causing false alarms or preventing the vehicle from starting.
- ✔ The key fob failing to lock or unlock the doors.
- ✔ Multiple warning lights on the dashboard with no clear cause.
- ✔ Communication-related Diagnostic Trouble Codes (DTCs), especially U-codes like U0140, U0155, or U0100.
Your Straightforward BCM Installation Guide
For the confident DIYer, replacing the BCM in your Acadia is a manageable job. The module is typically located behind the lower dashboard panel on the driver’s side.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before beginning work.
- Access the Module: Carefully remove the lower dash panel beneath the steering column to expose the BCM. It’s a black box with several large electrical connectors.
- Swap the Units: Take a photo of the connector layout if it helps. Carefully disconnect all electrical harnesses from the old BCM. Unbolt the module from its mounting bracket and remove it.
- Install the New BCM: Mount your new, pre-programmed BCM onto the bracket and securely reconnect all electrical harnesses to their correct ports.
- Final Steps: Re-install the dash panel and reconnect the negative battery terminal. Start the vehicle to confirm that the primary functions are restored.
- Post-Installation Checks: In some cases, additional steps may be needed. If your airbag light is on, a professional scan tool is required to perform the “Setup SDM Primary Key in BCM” procedure. A Brake Pedal Position relearn may also be necessary for proper brake light and traction control operation.
Verified Vehicle Compatibility
This Body Control Module is a direct replacement for part number 10382479 and is guaranteed to fit the 2007-2012 GMC Acadia. It also fits a wide range of other GM vehicles. Please verify your original part number against our cross-reference list to ensure compatibility.
Interchangeable 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
Fits select models of: Acadia, Enclave, Traverse, Equinox, Captiva Sport, Torrent, Vue, Impala, Monte Carlo, Lucerne, DTS, STS, CTS, SRX, G8, Caprice, Hummer H2, Express Van, Savana Van, Tahoe, Suburban, Yukon, Escalade, and Avalanche. Always confirm your vehicle’s specific requirements.
Do I need to have this BCM programmed by a dealer?
Do I need to have this BCM programmed by a dealer?
No. The main benefit of our service is that we program the module to your vehicle’s specific VIN before shipping it. This makes it a plug-and-play solution, saving you the time and expense of a dealership visit.
How do I provide my VIN number?
After you complete your purchase, you will need to send us your 17-digit VIN (Vehicle Identification Number). We cannot program and ship the module without it. You can typically find your VIN on the driver’s side dashboard (visible through the windshield) or on your vehicle’s registration.
Where is the BCM located on a 2007-2012 Acadia?
On the GMC Acadia and its platform mates (Enclave, Traverse), the BCM is located on the driver’s side, up under the dashboard to the left of the steering column.
What if the airbag light comes on after I install it?
This is not uncommon. It means the new BCM needs to be electronically ‘introduced’ to the airbag system’s computer (SDM). A repair shop or a technician with a professional-grade scan tool will need to perform a quick procedure called “Setup SDM Primary Key in BCM” to sync the modules and turn off the light.
Is there a core charge for my old part?
No, there is absolutely no core charge. You can keep your old module, so there’s no need to worry about the cost or hassle of shipping it back.