Restore Full Electrical Function to Your Buick Enclave
Are you dealing with baffling electrical issues in your 2008-2012 Buick Enclave? Flickering lights, malfunctioning power windows, a temperamental security system, or strange warning messages on the dash are classic signs of a failing Body Control Module (BCM). As the central command center for your vehicle’s body electronics, a faulty BCM can turn your daily drive into a frustrating guessing game. This isn’t just an inconvenience; it can be a safety concern when essential systems like lighting and security become unreliable.
This replacement Body Control Module, part number 25910474, is the definitive solution. We take the guesswork and high dealership costs out of the equation. Before we ship the module, our technicians will program it with the latest GM software updates, using the specific VIN you provide at checkout. This ensures the module is perfectly matched to your Enclave’s factory options, making installation a breeze and restoring your vehicle to its proper operational state.
A Technician’s Notebook: The Case of the Haunted Enclave
I once had a 2011 Enclave in my bay that the owner swore was haunted. The dome lights would fade on and off while driving, the radio would randomly shut off, and the liftgate would sometimes refuse to open. A scan showed a handful of U-codes, specifically U0140 (Lost Communication With Body Control Module). After checking the main power and ground connections to the BCM, it was clear the module itself was failing internally. These intermittent faults are incredibly common. Swapping in a VIN-programmed 2008-2012 Enclave BCM didn’t just fix the problems; it gave the owner their peace of mind back. This is the exact fix for that exact scenario.
Is Your Enclave Showing These Symptoms?
- ✔ Intermittent or non-working power windows, locks, or mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system or keyless entry acting erratically or failing.
- ✔ Unexplained battery drain that leaves you with a dead battery overnight.
- ✔ Warning lights like “Service Stabilitrak” or “Service Airbag” appearing on the dash.
- ✔ Diagnostic Trouble Codes (DTCs) related to communication, such as U0140, U0155, or B1001.
A Straightforward Guide to BCM Installation
Replacing the 2008-2012 Enclave BCM is a manageable job for a confident DIYer. The module is typically located on the left-hand (driver’s) side of the dashboard.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait 10-15 minutes to allow all systems to discharge.
- Locate the BCM: On the Enclave, you’ll usually find the BCM by removing the lower dash panel beneath the steering column. It’s a black box with multiple large electrical connectors.
- Disconnect and Remove: Carefully unplug all wiring harnesses. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed BCM into place. Firmly reconnect all wiring harnesses, ensuring each one clicks securely into its socket.
- Reconnect Power: Reattach the negative battery terminal. Your vehicle is now ready for the final steps.
Important Post-Installation Steps
Because this module is central to many systems, a couple of quick relearn procedures may be needed after installation. This is normal and ensures all related components communicate correctly.
- Airbag System Sync: If the airbag light is on after installation, a professional scan tool is required to perform the “Setup SDM Primary Key in BCM” procedure. This syncs the BCM with the airbag module.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor relearn to ensure brake lights and traction control function as intended.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a professional mechanic if you are unsure about any step.
Guaranteed Vehicle Compatibility
This module is a direct replacement for part number 25910474 and a wide range of other interchangeable part numbers. It is guaranteed to fit the following models:
AVALANCHE 1500 10 (under steering column, ID 25892622)
CAPRICE 11-13
CAPTIVA SPORT 12 (center dash, check ID)
CTS 08 (RH dash)
CTS 08-13 (LH dash)
DTS 06-11 (RH center dash)
ENCLAVE 08-12 (LH dash)
EQUINOX 07-09 (center dash)
ESCALADE 10 (under steering column, check ID)
ESCALADE ESV 10 (under steering column, check ID)
ESCALADE EXT 10 (under steering column, check ID)
EXPRESS 1500 VAN 08-12 (center dash)
EXPRESS 2500 VAN 08-12 (center dash)
EXPRESS 3500 VAN 08-12 (center dash)
G8 08-09 (center dash)
HUMMER H2 08-09 (LH firewall)
IMPALA 06-13 (LH dash)
LUCERNE 06-11 (right side dash)
MONTE CARLO 06-07 (LH steering column)
OUTLOOK 07-10 (center dash)
SAVANA 1500 VAN 08-12 (center dash)
SAVANA 2500 VAN 08-12 (center dash)
SAVANA 3500 VAN 08-12 (center dash)
SRX 07-09 (LH dash)
STS 10 (center dash)
SUBURBAN 1500 10 (under steering column, check ID)
TAHOE 10 (under steering column, check ID)
TORRENT 07-09 (center dash)
TRAVERSE 09-12 (LH dash)
VUE 08-10 (center dash)
YUKON 10 (under steering column, check ID)
YUKON XL 1500 10 (under steering column, check ID)
Frequently Asked Questions About the 2008-2012 Enclave BCM
Frequently Asked Questions
Do I need to do any programming myself?
No. This is the key benefit of our service. We program the module to your vehicle’s VIN before shipping it to you. It arrives ready for installation, saving you a trip to the dealer.
What do you need from me to program it?
After you place your order, simply provide us with your 17-digit Vehicle Identification Number (VIN). We handle the rest.
What is your core policy? Do I send my old BCM back?
We do not require your old module. Our service includes a quality replacement module, and your original part is always returned to you along with the programmed unit. There are no core charges or returns necessary.
Is this a difficult part to replace for a DIYer?
For someone with basic mechanical skills and tools, it’s very manageable. The BCM is typically located under the driver’s side dash and is held in by a few bolts and electrical connectors. Our installation guide above provides the general steps.
Will this fix my car’s no-start problem?
It can. A failing BCM can disrupt the anti-theft system (Passlock/Passkey), preventing the engine from starting. If your no-start issue is accompanied by other electrical symptoms, a faulty BCM is a very likely cause.