Tired of Electrical Gremlins? Restore Your Vehicle’s Brain.
Are you dealing with flickering dash lights, power windows with a mind of their own, or a security system that randomly prevents your car from starting? These aren’t just annoyances; they’re classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it starts to go, it can cause a cascade of frustrating and unpredictable problems. In my 20+ years of diagnostics, I’ve seen how a faulty BCM can make a perfectly good vehicle feel unreliable. This isn’t a part you can ignore.
We offer a straightforward, reliable solution. This is a direct-replacement 2006-2013 GM BCM that comes fully programmed to your vehicle’s specific VIN. Forget about expensive trips to the dealership for programming or the hassle of finding a shop with the right equipment. Simply provide us with your VIN after purchase, and we’ll flash the module with the latest official GM software before it even leaves our facility. This ensures it communicates perfectly with your vehicle’s other systems right out of the box, restoring function and peace of mind.
From the Diagnostic Bay
A customer brought in their 2009 Chevy Impala last month with a laundry list of bizarre electrical issues: the radio would cut out, the interior lights would pulse, and occasionally, it just wouldn’t start. The security light was on, but there were no key-related codes. After checking the basics—battery, alternator, and main grounds—we focused on the BCM. On these Impalas, the BCM is located on the left side of the dash, an area prone to moisture wicking down from a leaky windshield seal. Sure enough, we found faint traces of corrosion on the BCM connector. A failing BCM was scrambling communication on the data bus, causing all the chaos. Replacing it with a pre-programmed unit like this one was the definitive fix. The customer was back on the road the same day without the week-long wait and high cost of a dealership repair.
Common Signs of a Failing BCM
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Erratic behavior from the instrument cluster, including gauges and warning lights.
- ✔ Headlights, taillights, or interior lights staying on or not turning on at all.
- ✔ The anti-theft or security system light is illuminated, causing a no-start condition.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Communication errors (U-codes) when scanning the vehicle with a diagnostic tool.
A Straightforward Guide to Installation
Replacing your BCM is a manageable job for a confident DIYer. While the exact location varies by model (see fitment list), the process is generally similar. Remember that post-installation steps with a diagnostic tool are required for safety systems.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow all systems to power down completely.
- Locate the BCM: Find your old BCM. Common locations include under the steering column, behind the glove box, or in the center dash console.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that must be depressed. Once disconnected, unbolt or unclip the old module and remove it from the vehicle.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical connectors. Ensure they click into place.
- Reconnect Battery: Reattach the negative battery terminal.
- CRITICAL – Final Setup: This step is mandatory and requires a bi-directional scan tool. You must perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the new BCM with the airbag system and clear the airbag light.
- Brake System Check: Some vehicles require a ‘Brake Pedal Position Sensor Calibration’ after BCM replacement. Check for this procedure in your scan tool’s menu to ensure proper brake light and stability control function.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of GM vehicles and supersedes numerous original part numbers, ensuring broad compatibility. Please verify your model and year from the list below. This part is a confirmed fit for 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.
AVALANCHE 1500 10
CAPRICE 11-13
CAPTIVA SPORT 12
CTS 08-13
DTS 06-11
ENCLAVE 08-12
EQUINOX 07-09
ESCALADE / ESV / EXT 10
EXPRESS 1500/2500/3500 VANS 08-12
G8 08-09
HUMMER H2 08-09
IMPALA 06-13
LUCERNE 06-11
MONTE CARLO 06-07
OUTLOOK 07-10
SAVANA 1500/2500/3500 VANS 08-12
SRX 07-09
STS 10
SUBURBAN 1500 10
TAHOE 10
TORRENT 07-09
TRAVERSE 09-12
VUE 08-10
YUKON / YUKON XL 1500 10
Frequently Asked Questions
Do I need to program this 2006-2013 GM BCM?
No. We program the module to your vehicle’s VIN before shipping. However, you will need a scan tool to perform the required post-installation procedures like the airbag system setup.
What exactly does a Body Control Module do?
The BCM acts as a central computer for your car’s body-related electronic accessories. It manages functions that aren’t related to the engine, such as power windows, locks, interior and exterior lighting, security system, and wipers.
How do I provide you with my VIN?
After you complete your purchase, simply send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot ship your order until we receive it.
Will this fix my ‘Service Theft System’ message?
In many cases, yes. The BCM is a key component of the Passlock/Passkey anti-theft system. A faulty BCM is a very common reason for these warnings and no-start conditions.
What tools are needed for the final setup after installation?
You will need a professional-grade, bi-directional scan tool. This is necessary to perform the ‘Setup SDM Primary Key in BCM’ and potentially the ‘Brake Pedal Position Sensor Calibration’ to ensure all safety systems are working correctly.
Is this a used part?
This is a high-quality, tested replacement part, guaranteed to function correctly. It is programmed with the latest software for your vehicle for optimal performance and reliability.