Restore Your Vehicle’s Electrical System with a Reliable, Programmed BCM
Are you chasing electrical gremlins in your GM vehicle? Intermittent power windows, flickering dash lights, a security system that acts up, or keyless entry that only works when it wants to? These aren’t just annoyances; they’re classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can cause a cascade of frustrating and unpredictable issues. I’ve spent over two decades in the service bay, and I can tell you that a bad BCM is one of the most common culprits behind these phantom problems. Don’t keep swapping fuses or relays—get to the source of the problem.
This replacement GM Body Control Module is your direct, reliable solution. We take the guesswork and hassle out of the repair by pre-programming the module to your vehicle’s specific VIN before it ever leaves our facility. This means no expensive trips to the dealership for programming. You get a part that’s ready for installation right out of the box, loaded with the latest GM software updates to ensure optimal performance and communication with your vehicle’s other electronic systems. It’s the smart, efficient way to get your car or truck back to 100%.
From the Diagnostic Bay
I remember a 2008 Chevy Express van that came into my shop. The owner, a contractor, was at his wit’s end. His interior dome lights wouldn’t turn off, draining the battery overnight. His power locks were unresponsive, and the radio would randomly shut off. He’d already replaced the battery twice. A quick scan showed a slew of communication codes (U-codes) all pointing back to the BCM. The internal circuits were failing, causing a constant drain and disrupting the data network. We swapped in a VIN-programmed GM Body Control Module like this one. In under an hour, the locks worked, the lights functioned properly, and the battery drain was gone. It’s a textbook example of how this single component can restore sanity to a vehicle’s entire electrical system.
Is Your Vehicle Experiencing These Electrical Gremlins?
A failing BCM can manifest in numerous ways. If you’re noticing any of the following, your BCM is the likely cause:
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The security system or anti-theft light flashing, preventing the vehicle from starting (e.g., “Service Theft System” message).
- ✔ Remote keyless entry (fob) not working correctly.
- ✔ Horn sounding unexpectedly or not working.
- ✔ Multiple unrelated warning lights on the dashboard.
- ✔ Common diagnostic trouble codes (DTCs) like U0140, B1001, B1004, or other communication-related faults.
Your Straightforward BCM Installation Guide
Installing your new BCM is a manageable job for a confident DIYer. While the exact location varies by model (check your fitment details), the process is generally similar.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to allow all systems to power down completely.
- Locate the BCM: On most of these GM models, the BCM is located under the driver’s side or center of the dashboard, often near the steering column or behind a kick panel.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old module. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old BCM from its mounting bracket.
- Install the New Module: Mount the new, pre-programmed GM Body Control Module in the same location. Securely reconnect all electrical connectors, ensuring they click into place.
- Reconnect Battery: Reattach the negative battery terminal.
- Test and Verify: Start the vehicle and test all body functions—windows, locks, lights, radio, etc.—to confirm the repair was successful. Note that some vehicles may require the additional procedures listed below.
Important Post-Installation Steps
Because this module is pre-programmed, most functions should work immediately. However, for safety and system integration, some vehicles may require one of the following relearn procedures:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is needed to perform the “Setup SDM Primary Key in BCM” procedure. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure the brake lights and traction control system function correctly.
Confirmed Vehicle Compatibility List
This module is a direct replacement for a wide range of GM vehicles and part numbers, including 10382479, 15276271, 15819552, 20815898, 22860591, 25892622, and many more. Please check the list below to confirm your specific model and year.
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 25892622 or 20815898
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 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 25892622 or 20815898
TAHOE 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
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 25892622 or 20815898
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 like the central nervous system for your vehicle’s convenience and security features. It controls non-engine related functions like power windows, locks, interior lighting, the alarm system, and the keyless entry remote.
Why do I need to provide my VIN?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and settings your specific vehicle requires. This ensures all features work correctly and that the module communicates properly with the other computers in your car, making installation a plug-and-play process.
Is this a difficult part to install myself?
For someone with basic mechanical skills, this is a very manageable repair. The main challenge is typically accessing the module, which is usually located under the dashboard. No special programming tools are required on your end since we handle that for you.
What happens if my airbag light is on after installation?
This is uncommon, but if it happens, it means the new BCM needs to be electronically introduced to the airbag system (SDM). This procedure, called ‘Setup SDM Primary Key in BCM’, must be done with a professional-grade diagnostic tool.
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your original module, which can be helpful for double-checking part numbers or for your own records.
Will this fix my “Service Theft System” light?
In many cases, yes. The BCM is a critical part of the vehicle’s anti-theft system. A failing BCM is a very common reason for this warning light and associated no-start conditions. Our VIN programming ensures the security information matches your vehicle’s keys.