Restore Full Electrical Function to Your GMC Acadia
Are you dealing with baffling electrical problems in your 2007-2012 GMC Acadia? Flickering lights, malfunctioning power windows, or a security system that acts up on its own can be more than just an annoyance—they can be a sign that the central hub of your vehicle’s electronics, the Body Control Module (BCM), is failing. This isn’t just a component; it’s the brain behind your car’s comfort and convenience features. When it falters, it can make your reliable SUV feel unpredictable. We offer a dependable, direct-fit solution with this BCM, pre-programmed with the latest GM software specifically for your vehicle’s VIN.
From the Diagnostic Bay: The Ghost in the Machine
I remember a 2011 Acadia that came into my shop with a list of intermittent issues that drove the owner crazy. The dome lights would stay on, the radio would randomly shut off, and sometimes the power liftgate wouldn’t respond. The owner had already replaced the battery and checked fuses, but the gremlins persisted. After hooking up my scan tool, I saw a slew of communication errors (U-codes) pointing to the BCM. These modules are the traffic cops for dozens of electronic systems. After confirming power and ground to the module were good, the diagnosis was clear: internal BCM failure. Installing a pre-programmed BCM like this one resolved every single issue in one go, saving the customer hundreds compared to a dealership visit.
Is Your Acadia Showing These BCM Failure Signs?
A failing Body Control Module can manifest in numerous ways. As the central command for body electronics, its failure impacts multiple systems. Here are some of the most common symptoms I’ve seen in my 20+ years of experience:
- âś” Erratic interior or exterior lights (flickering, staying on, or not working at all).
- âś” Power windows, door locks, or mirrors operating intermittently or not at all.
- âś” The security system engaging randomly or the key fob not being recognized.
- âś” Instrument cluster gauges behaving erratically or warning lights appearing for no reason (like the airbag light).
- âś” Diagnostic trouble codes (DTCs) related to communication, such as U0100, U0140, or other U-series codes.
- âś” A/C and heater controls not responding correctly.
Your Straightforward BCM Installation Guide
Replacing the BCM in your Acadia is a manageable job for a confident DIYer. The module is typically located on the left-hand (driver’s) side of the dash. Following these steps will help ensure a smooth 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.
- Access the Module: You will likely need to remove the lower dash panel beneath the steering column to gain access to the BCM. This usually involves removing a few screws or clips.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that must be depressed to release them. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all the electrical harnesses. Ensure they click into place.
- Final Steps: Reassemble the dash panel and reconnect the negative battery terminal. Start the vehicle and test all functions—lights, locks, windows, radio, etc.
Important Post-Installation Information
While our programming handles the heavy lifting, some GM vehicles require a ‘handshake’ between modules after installation. Be aware of these potential, simple procedures:
- Airbag System Sync: If your 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: On some models, a brake pedal position sensor relearn may be required to ensure your brake lights and traction control system function correctly.
- No Core Charge: You are not required to return your old module. This saves you the time, hassle, and expense of a core return.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual for procedures specific to your Acadia’s year and options.
Guaranteed Fitment for Your Vehicle
This Body Control Module is a direct replacement for a wide range of GM vehicles. We guarantee compatibility if your original part number is on this list. Please provide your VIN upon purchase for correct programming.
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
Fits Models Including:
AVALANCHE 1500 10
CAPRICE 11-13
CAPTIVA SPORT 12
CTS 08-13
DTS 06-11
ENCLAVE 08-12
EQUINOX 07-09
ESCALADE 10
ESCALADE ESV 10
ESCALADE EXT 10
EXPRESS VANS 08-12
G8 08-09
HUMMER H2 08-09
IMPALA 06-13
LUCERNE 06-11
MONTE CARLO 06-07
OUTLOOK 07-10
SAVANA VANS 08-12
SRX 07-09
STS 10
SUBURBAN 1500 10
TAHOE 10
TORRENT 07-09
TRAVERSE 09-12
VUE 08-10
YUKON 10
YUKON XL 1500 10
Frequently Asked Questions
Frequently Asked Questions
Do I need to do any programming myself?
No. We program the module to your vehicle’s VIN before shipping. It arrives ready for installation, though some minor relearn procedures (like for the brake pedal sensor) may be needed post-installation depending on your model.
Is this a difficult part to replace for a DIYer?
For someone comfortable with working under the dashboard, it is a very manageable job. It primarily involves removing a trim panel and swapping the module. No specialized tools are typically required for the physical replacement.
What happens if my airbag light comes on after I install it?
This is a known possibility on some GM vehicles. It simply means the new BCM needs to be electronically introduced to the airbag module (SDM). A repair shop with a professional-grade scan tool can perform the ‘Setup SDM Primary Key’ function in a few minutes to resolve this.
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to access the specific software and calibrations GM designed for your exact vehicle. This ensures all features controlled by the BCM work correctly, just as they did from the factory.
Is there a core charge for my old BCM?
Absolutely not. You can keep your old part or recycle it locally. There’s no need to worry about the cost or hassle of sending it back to us.