Restore Your SUV’s Electrical System and Peace of Mind
Are you dealing with baffling electrical issues in your 2007-2012 GMC Acadia? One moment the power locks work, the next they don’t. The interior lights flicker randomly, or the radio suddenly loses power. These aren’t just minor annoyances; they’re classic signs of a failing Body Control Module (BCM). As a technician with over 20 years of experience, I’ve seen how a faulty BCM can turn a reliable vehicle into a source of constant frustration. The BCM is the central hub for your vehicle’s body electronics, and when it starts to fail, it can create a cascade of confusing problems.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle and high cost out of the repair by pre-programming this BCM specifically to your vehicle’s VIN. Simply provide us with your VIN after purchase, and we’ll load the latest GM software before it even ships. This means no expensive trip to the dealership for programming—a savings of both time and money. This is the definitive fix for the electrical gremlins plaguing your vehicle.
Common Signs of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that flicker, stay on, or won’t turn on at all.
- ✔ The security system acting up, causing false alarms or no-start conditions.
- ✔ Intermittent operation of the radio, climate controls, or instrument cluster gauges.
- ✔ Diagnostic Trouble Codes (DTCs) related to communication errors, such as U0140 (Lost Communication With Body Control Module).
- ✔ A noticeable parasitic battery drain that leaves you with a dead battery overnight.
A Technician’s Notebook: The Case of the Confused Acadia
A customer brought in their 2011 Acadia with a list of complaints that seemed completely unrelated. The driver’s side window would only work sometimes, the liftgate would occasionally refuse to open, and the battery would be dead every few days. They had already replaced the battery and the window switch with no luck. After connecting my scan tool, I found a slew of communication codes pointing to the BCM. The module wasn’t fully failing but was intermittently dropping communication with other components, causing these ghost-like problems and staying partially awake, which drained the battery. Installing a new, properly programmed 2007-2012 Acadia BCM resolved every single issue at once. It’s a perfect example of how this one central module can be the root cause of many widespread electrical headaches.
A Straightforward Guide to Installation
- ✔ Safety First: Always begin by disconnecting the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate the BCM: On the 2007-2012 GMC Acadia, the BCM is located on the driver’s side, up under the dashboard to the left of the steering column. You may need to remove a lower dash panel for access.
- ✔ Disconnect and Remove: Carefully disconnect the multiple wiring harness connectors from the old BCM. They have locking tabs that need to be pressed. Once all connectors are free, unbolt or unclip the module from its mounting bracket.
- ✔ Install the New Module: Mount your new, pre-programmed BCM into the bracket and securely reconnect all wiring harnesses. You should hear a click as they lock into place.
- ✔ Reconnect and Test: Reinstall any panels you removed, then reconnect the negative battery terminal. Turn the key to the ‘On’ position and test your vehicle’s functions—windows, locks, lights, etc.—to confirm the repair.
Important Steps After Installation
While this module is programmed for your vehicle, some GM models may require a simple relearn procedure to sync with other systems. These are not always necessary but are good to be aware of.
- Airbag System Sync: If your airbag warning light is on 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 needed to ensure the brake lights and stability control systems function correctly.
- No Core Charge: You are not required to return your old module. This eliminates core charges and return shipping hassles.
Disclaimer: Procedures can vary slightly by year and model. Consulting a vehicle-specific service manual is always recommended for the most accurate information.
Guaranteed Vehicle Fitment
This module is a direct replacement for part number 25910474 and other interchangeable numbers. It is compatible with a wide range of GM vehicles. Please verify your part number or consult the list below. This is a fit for the 2007-2012 Acadia BCM and many others:
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
EQUINOX 07-09 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
EXPRESS 3500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
IMPALA 06-12 Body Control (BCM); (LH dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
ACADIA 07-12 Body Control (BCM); (LH dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
TAHOE 10 Body Control (BCM); (under steering column), ID 25892622
TRAVERSE 09-12 Body Control (BCM); (LH dash)
YUKON 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 2500 VAN 11-12 Body Control (BCM); (center dash)
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435 or 22860591
DTS 06-11 Body Control (BCM); (RH center dash)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 11-12 Body Control (BCM)
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
STS 10 Body Control (BCM); center dash
TORRENT 07-09 Body Control (BCM); (center dash)
CTS 08-13 Body Control (BCM); LH dash
G8 08-09 Body Control (BCM); (center dash)
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
LUCERNE 06-11 Body Control (BCM); (right side dash)
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
EXPRESS/SAVANA 3500 VAN 10-12 Body Control (BCM)
SRX 07-09 Body Control (BCM); LH dash
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
VUE 08-10 Body Control (BCM); (center dash)
CAPRICE 11-13 Body Control (BCM)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
Will I need to take my car to the dealer after installing this?
Will I need to take my car to the dealer after installing this?
No. This BCM comes fully programmed to your vehicle’s VIN with the latest software from GM. This service is included with your purchase, saving you the time and expense of a dealership visit for programming.
How do I provide my VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship the module until we have programmed it with your specific VIN.
Is this a simple plug-and-play installation?
Yes, for the most part. The module itself is physically plug-and-play. In some cases, as noted above, an additional relearn procedure for the airbag or brake pedal position sensor may be required, which would need a professional scan tool.
Do I need to return my old BCM?
No, there is no core charge for this part. You can keep your original module, which saves you the hassle and cost of return shipping.