Restore Your Vehicle’s Electrical System with a Reliable, VIN-Programmed BCM
Are you battling frustrating electrical issues in your GM car, truck, or SUV? Flickering lights, malfunctioning power windows and locks, or a security system that prevents your vehicle from starting are all classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can turn your daily drive into a nightmare. Over my two decades in automotive diagnostics, I’ve seen firsthand how a failing BCM can mimic a dozen other problems, leading to wasted time and money on incorrect repairs.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the guesswork and dealer-level expense out of the equation. Simply provide your vehicle’s VIN during checkout, and our technicians will program this module with the latest GM-certified software specific to your vehicle’s build. This ensures seamless integration and restores all functions as the factory intended, saving you from a costly trip to the dealership for programming.
Case Study: A Tricky Diagnosis
A customer brought in a 2008 Chevy Impala with a complaint that was driving them crazy: the interior lights would flicker randomly, and occasionally, the car wouldn’t start, showing a ‘Service Theft System’ message. They had already replaced the battery and alternator with no luck. A quick scan showed multiple U-codes (communication errors) pointing to the BCM. Instead of a complicated dealer repair, we installed a VIN-programmed module just like this one. The total time from diagnosis to fix was under an hour, and the customer was back on the road without the multi-day wait and high bill from a dealership. This is the efficiency and reliability we offer.
Is Your Vehicle’s ‘Brain’ Malfunctioning?
A failing BCM can cause a wide range of confusing symptoms. If your vehicle is experiencing any of the following, a faulty BCM is the likely culprit:
- ✔ Power windows, door locks, or mirrors operate erratically or not at all.
- ✔ Interior or exterior lights flicker, stay on, or won’t turn on.
- ✔ The security system activates incorrectly, causing a no-start condition.
- ✔ The horn or alarm goes off without reason.
- ✔ Dashboard warning lights (like the airbag or ABS light) illuminate.
- ✔ Diagnostic trouble codes (DTCs) such as U0140, B1001, or other communication errors are present.
Your Straightforward Installation Path
Installing your new BCM is designed to be a direct process. While the exact location varies by model (as noted in the fitment list), the general steps are consistent. For the confident DIYer or professional technician, this is a manageable job.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait 10-15 minutes to allow all systems to power down.
- Locate the BCM: Find the old BCM. Common locations include under the driver’s side dash, behind the glove box, or in the center console area.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be pressed to release. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: 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 Power: Re-attach the negative battery terminal.
- Perform Final Checks: Start the vehicle and test all body functions—windows, locks, lights, wipers, etc.—to confirm proper operation. Note the post-installation procedures below.
Important Post-Installation Information
Because this module is pre-programmed, most functions will work immediately. However, depending on your specific vehicle, a couple of quick relearn procedures may be needed to finalize the installation:
- ✔ Airbag System Sync: If the airbag warning light is on after installation, a simple ‘Setup SDM Primary Key in BCM’ procedure must be done with a bi-directional scan tool. This ensures the new BCM and the airbag system are correctly communicating.
- ✔ Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure brake lights and stability control systems function correctly. This also typically requires a professional scan tool.
Disclaimer: Always consult a factory service manual for procedures and torque specifications specific to your vehicle.
Verified Compatibility for Your Vehicle
This module is a direct replacement for an extensive range of General Motors vehicles and supersedes multiple part numbers, ensuring a perfect match. Please verify your model and year below. This unit 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.
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, or 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 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS/SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS/SAVANA 2500/3500 VAN 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 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
Frequently Asked Questions
Frequently Asked Questions
What does a Body Control Module (BCM) do?
The BCM is a computer that acts as the central command for your vehicle’s body electronics. It controls non-engine related functions like power windows, locks, lights, wipers, security system, and more.
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and calibrations for your vehicle’s specific options and features. This makes the installation process much smoother and ensures everything works correctly right away.
Is this part difficult to install for a DIYer?
For someone with basic mechanical skills and tools, this is generally a straightforward replacement. The main challenge is accessing the module, which is usually located under the dashboard. Our pre-programming service eliminates the most difficult step: the software setup.
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.
What if the airbag light comes on after I install it?
This is a normal possibility. It means the new BCM needs to be electronically ‘introduced’ to the airbag system’s computer (SDM). A repair shop with a professional-grade scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in just a few minutes to resolve this.