Is Your GM Vehicle Acting Possessed?
Are you dealing with a frustrating mystery of electrical problems? Flickering dashboard lights, power windows with a mind of their own, door locks that don’t respond, or a security system that randomly immobilizes your car? Before you start blaming ghosts or faulty switches, the real culprit is often the Body Control Module (BCM). As a technician with over 20 years of experience, I’ve seen how a failing BCMโthe central computer for your vehicle’s comfort and convenience featuresโcan cause absolute chaos. It’s the nerve center that controls everything from your interior lights and horn to your keyless entry system.
The Smart Solution: A Pre-Programmed GM Body Control Module
Replacing a BCM used to mean a mandatory, and expensive, trip to the dealership for programming. We eliminate that hassle. This isn’t just a part in a box; it’s a complete solution. We take a genuine OEM BCM and flash it with the latest GM-certified software, specifically matched to your vehicle’s unique VIN. When it arrives at your door, it’s ready for installation, saving you hundreds in dealer programming fees and diagnostic time. This process ensures all your vehicle’s original options and security information are correctly loaded, restoring function as the factory intended.
Expert Pro Tip: Check for Water Intrusion
In my shop, one of the leading causes of BCM failure, especially in models like the Equinox or Acadia where it’s mounted in the dash, is moisture. A small leak from the windshield seal or a clogged A/C drain can allow water to drip onto the BCM’s casing and connectors. Before installing your new module, take a moment to inspect the area for any signs of water stains or corrosion on the wiring harness. Cleaning up the source of the leak will prevent a repeat failure down the road.
Common Symptoms of a Failing BCM:
- โ Erratic or non-functional power windows, locks, and mirrors.
- โ Interior dome lights or dashboard lights staying on or not working at all.
- โ The horn honking randomly or not working when pressed.
- โ Key fob or remote entry system failure.
- โ The security system preventing the car from starting (anti-theft light flashing).
- โ Unexplained battery drain when the vehicle is off.
Plug-and-Play Installation Guide
- 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: The location varies by model. It could be under the driver’s side dash, behind the glove box, or in the center console. Your owner’s manual or a quick online search for your specific model will show you the exact spot.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once unplugged, unbolt or unclip the old BCM and remove it from the vehicle.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical harnesses. You should hear a ‘click’ as they lock into place.
- Reconnect Battery: Reattach the negative battery terminal.
CRITICAL: Post-Installation Procedures Required
While this BCM is pre-programmed, your vehicle’s other systems need to recognize it. These final steps are mandatory for proper function and safety and require a professional-grade diagnostic scan tool.
- Airbag System Reset: To clear the airbag warning light, you or your mechanic must perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the BCM with the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Sensor Relearn: On many vehicles, the BCM replacement requires a recalibration of the brake pedal position sensor. This is essential for the proper operation of your brake lights, cruise control, and traction control systems.
Guaranteed Fitment for Your Vehicle
This module is a direct replacement for a wide range of GM vehicles. Simply provide your VIN at checkout, and we’ll handle the rest.
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
Vehicle Compatibility:
Fits a wide array of models including, but not limited to:
- Buick: Enclave (08-12), Lucerne (06-11)
- Cadillac: CTS (08-13), DTS (06-11), Escalade / ESV / EXT (10), SRX (07-09), STS (10)
- Chevrolet: Avalanche 1500 (10), Caprice (11-13), Captiva Sport (12), Equinox (07-09), Express Vans (08-12), Impala (06-13), Monte Carlo (06-07), Suburban 1500 (10), Tahoe (10), Traverse (09-12)
- GMC: Acadia (07-12), Savana Vans (08-12), Yukon / Yukon XL 1500 (10)
- Hummer: H2 (08-09)
- Pontiac: G8 (08-09), Torrent (07-09)
- Saturn: Outlook (07-10), Vue (08-10)
Note: Please verify your part number or contact us with your VIN to ensure perfect compatibility.