Restore Your Vehicle’s Electrical System with a Reliable BCM
Are you chasing electrical gremlins in your Cadillac or GM vehicle? Flickering lights, malfunctioning power windows, a security system that acts up, or even a car that refuses to start can all point to one culprit: a failing Body Control Module (BCM). As the central command center for your vehicle’s body electronics, a faulty BCM can cause a cascade of frustrating and seemingly unrelated problems. In my 20+ years of diagnostics, I’ve seen how a single failing module can make a perfectly good car feel unreliable. This isn’t just an inconvenience; it can affect safety systems like brake lights and security.
This is a direct-fit replacement Body Control Module, arriving at your door pre-programmed to your vehicle’s specific VIN. We handle the complex part—flashing the module with the latest GM software—so you don’t have to. This means no expensive trips to the dealership for programming, saving you time and hundreds of dollars. By providing a solution that’s ready to install out of the box, we empower both seasoned mechanics and determined DIYers to perform a professional-level repair. Get your vehicle’s features working correctly again with this dependable 2010 STS Body Control Module.
A Technician’s Notebook: The Case of the Haunted SUV
A customer brought in a 2010 GMC Acadia with a list of bizarre complaints: the dome lights would stay on, the radio would randomly shut off, and the liftgate wouldn’t open with the remote. They had already replaced the battery, thinking it was a simple power issue. After checking the basics, my scan tool revealed a series of U-codes, specifically U0140 (Lost Communication With Body Control Module). This told me the BCM wasn’t communicating properly with other modules on the CAN bus network. Instead of a complex wiring issue, the BCM itself was the source of the network interference. Swapping in a pre-programmed BCM like this one resolved all issues instantly. It’s a classic example of how a single module failure can create widespread, confusing symptoms.
Common Signs of a Failing GM BCM
If your vehicle is experiencing these issues, a failing BCM is a likely cause. A faulty module can also store communication fault codes like U0140, U0155, or B1001.
- ✔ Erratic or non-functional interior and exterior lights (headlights, taillights, dome lights).
- ✔ Power windows, locks, or mirrors working intermittently or not at all.
- ✔ Instrument cluster gauges behaving erratically or going dark.
- ✔ Vehicle security system faults or anti-theft light staying on.
- ✔ Remote keyless entry (RKE) failure.
- ✔ Unexplained battery drain leading to a no-start condition.
- ✔ “Service Stability System” or other warning messages on the dash.
Your Straightforward BCM Installation Guide
Installing your 2010 STS Body Control Module is a manageable job for someone with basic mechanical skills. For the 2010 Cadillac STS, the BCM is typically located in the center dash area.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait a few minutes for the system to fully discharge.
- Locate the BCM: Access the module. On the STS, this usually involves removing trim panels around the center console or glove box area to expose it.
- Disconnect and Remove: Carefully unplug the electrical connectors. Note their orientation. Then, unbolt or unclip the old BCM from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location. Reconnect the electrical connectors securely.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting) and test all body functions: lights, locks, windows, radio, etc.
- Perform Relearns (If Needed): Start the vehicle. If you see an airbag light or experience brake system issues, you may need to perform the post-installation procedures noted below with a capable scan tool.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of GM vehicles. Please verify your part number or match your vehicle from the list below. This part replaces 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, 22860591
CTS 08-13 Body Control (BCM); LH dash
CTS 08 Body Control (BCM); RH 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 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 3500 VAN 08-12 Body Control (BCM); (center dash)
G8 08-09 Body Control (BCM); (center dash)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
IMPALA 06-12 Body Control (BCM); (LH dash)
IMPALA 13 Body Control (BCM); (LH dash), ID 22820315
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)
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
SAVANA 2500 VAN 08-12 Body Control (BCM); (center dash)
SAVANA 3500 VAN 08-12 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
Do I need to send my old BCM back?
No, there is no core charge for this module. You can keep your original part.
Is this part really plug-and-play?
Yes, we program the module to your vehicle’s VIN before shipping. In most cases, this allows for a direct installation without needing a trip to the dealer. However, some vehicles may require additional relearn procedures as noted in our documentation.
What is the ‘Airbag System Sync’ procedure?
If your airbag warning light is on after installation, it means the new BCM needs to be synced with the airbag’s computer (SDM). A professional scan tool is required to perform the ‘Setup SDM Primary Key in BCM’ procedure to clear the light.
Why would I need a ‘Brake Pedal Position Relearn’?
This recalibration ensures the brake lights and traction/stability control systems are getting the correct signal from the brake pedal sensor. It’s a simple procedure with a capable scan tool and may be required on certain models to ensure full system functionality.
How do I provide my VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot program and ship your 2010 STS Body Control Module without it.
Will this fix my specific electrical problem?
This module corrects issues directly caused by a faulty BCM. While it resolves the vast majority of common electrical problems listed, proper vehicle diagnosis is always recommended to ensure you are replacing the correct part.
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.