Restore Full Functionality to Your GM Vehicle with a Programmed BCM
Are you battling bizarre electrical problems in your 2007-2012 GMC Acadia? Things like the radio acting possessed, interior lights staying on, power windows refusing to work, or a persistent security light that prevents the engine from starting? You’re not alone. These are classic signs of a failing Body Control Module (BCM), the central computer for your vehicle’s comfort and security features. This isn’t just an annoyance; it’s a breakdown in your vehicle’s core communication system. We offer a reliable, direct-fit solution with this BCM, part number 25934763, which comes fully programmed to your vehicle’s specific VIN.
Case Study: A Tricky Diagnosis
A customer brought in their 2011 Acadia last month with a laundry list of complaints that seemed unrelated. The liftgate would open on its own, the driver’s side door lock was intermittent, and the battery would be dead every few mornings. They had already replaced the battery and alternator to no avail. After hooking up my scan tool, I saw a dozen communication codes (U-codes) pointing to a network failure. In my 20+ years of experience, especially with these GM platforms, a chaotic mix of electrical faults almost always points back to the BCM. It fails internally, sending corrupt data across the network and causing other modules to act erratically. We installed one of our VIN-programmed BCMs, performed the necessary key relearn and SDM setup, and the vehicle was back to 100% normal operation. This part solved every single one of their issues.
Is Your Acadia Showing These Electrical Gremlins?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, your BCM is the likely culprit:
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior dome lights or dashboard lights staying on, draining the battery.
- ✔ The anti-theft or security system light is illuminated, causing a no-start condition.
- ✔ Remote keyless entry (fob) stops working suddenly.
- ✔ Wipers, turn signals, or headlights behaving unpredictably.
- ✔ False warnings on the driver information center (DIC).
- ✔ Communication error codes with a professional scan tool.
Your Straightforward BCM Installation Guide
Replacing the BCM is a manageable job for a confident DIYer. Our pre-programming service eliminates the most difficult step—the trip to the dealer. Follow these general steps for a successful installation.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow all modules to power down completely.
- Locate the BCM: On the 2007-2012 Acadia, the BCM is typically located on the left-hand (driver’s) side of the dash, often behind the lower trim panel near the steering column.
- Remove Connectors: Carefully unplug the multiple wiring harnesses connected to the old BCM. The connectors have locking tabs; be gentle to avoid breaking them.
- Swap the Module: Unbolt or unclip the old BCM from its mounting bracket and install the new one in its place.
- Reconnect Everything: Plug all wiring harnesses firmly into your new, pre-programmed BCM. Reconnect the vehicle’s battery.
- Perform Security Relearn: You will need to perform a security relearn procedure (often called a ‘key relearn’) to sync your keys with the new BCM. This typically involves a 30-minute process of cycling the key in the ignition.
- Critical Final Steps: After installation, a qualified scan tool is required to perform the ‘Setup SDM Primary Key in BCM’ procedure to clear any airbag faults. Some vehicles may also require a Brake Pedal Position Sensor recalibration to ensure proper brake light and stability control function.
Verified Fitment For These GM Vehicles
This BCM is a direct replacement for a wide range of General Motors vehicles. Please verify your model and part number from the list below. This module 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, 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, 22860591
CTS 08-13 Body Control (BCM); LH 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 & ESV & EXT 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
EXPRESS/SAVANA VANS 08-12 Body Control (BCM)
G8 08-09 Body Control (BCM); (center dash)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
IMPALA 06-13 Body Control (BCM); (LH dash)
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)
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 & YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
Frequently Asked Questions
Why do you need my VIN number?
We require your Vehicle Identification Number (VIN) to program the BCM with the exact software and calibrations for your vehicle’s specific options. This ensures all features work correctly and makes the installation process much smoother, avoiding a costly trip to the dealership.
Is this part difficult to install myself?
For someone with moderate DIY skills, the physical replacement is straightforward. The main challenge is the post-installation electronic procedures. While the key relearn can often be done without tools, clearing airbag codes (SDM setup) and performing a brake pedal recalibration requires a professional-grade bidirectional scan tool.
Will this fix my ‘Service Airbag’ light?
A new BCM will not turn off the airbag light on its own. After installation, the ‘Setup SDM Primary Key in BCM’ procedure MUST be performed with a compatible scan tool to re-establish communication between the BCM and the airbag system. This will allow the light to be reset.
What exactly does the Body Control Module do?
The BCM is the computer that manages most of your vehicle’s non-engine-related functions. This includes power windows, locks, interior and exterior lighting, the security system, wipers, and the climate control display, among other things. It’s the central hub for passenger comfort and convenience systems.
Do I have to perform the brake pedal recalibration?
It is highly recommended. On many GM vehicles, the BCM uses data from the brake pedal position sensor for features like cruise control and stability control. Failure to recalibrate it could lead to improper brake light operation or issues with the traction/stability control system.