Restore Your Cadillac’s Electrical System with a Plug-and-Play Solution
Are you dealing with baffling electrical issues in your 2010 Cadillac STS? Flickering lights, malfunctioning power windows, a security system that acts up, or strange warning messages on your dash are classic signs of a failing Body Control Module (BCM). The BCM is the central computer for your vehicle’s comfort and convenience features. When it fails, it can make driving a frustrating experience. In my 20+ years as a technician, I’ve seen how a faulty BCM can cause a cascade of problems that seem unrelated, leading to expensive and often incorrect diagnostic paths.
This isn’t just a replacement part; it’s a complete, hassle-free solution. We offer a professional Cloning Service with every purchase. This means you send us your original BCM, and we transfer all the critical vehicle-specific data—including VIN, mileage, and key information—to this replacement unit. The result? You receive a module that is truly plug-and-play, saving you from a costly trip to the dealership for programming. We even install the latest GM software updates, ensuring optimal performance and reliability.
Case Study: The Ghost in the Machine
A customer brought in a 2010 Cadillac STS with a list of complaints that sounded like the car was haunted. The radio would change stations on its own, the interior lights would stay on, and occasionally, the car wouldn’t recognize the key fob. They had already replaced the battery and checked all the fuses. After connecting my scan tool, I saw several ‘U’ codes (Communication Errors) pointing to the BCM. Instead of a new, unprogrammed module that would require hours of dealer-level setup, we used a cloned unit. By transferring the data from his old BCM, the replacement part was a perfect match. The car was back to normal in under an hour of shop time, saving the customer hundreds in programming and diagnostic fees. This is the exact service we provide to you.
Is Your Cadillac Exhibiting These BCM Failure Signs?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is your likely solution:
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that won’t turn on or off.
- ✔ The security system preventing the car from starting (Security light on).
- ✔ False warnings on the instrument cluster (e.g., “Service Theft System”).
- ✔ Communication-related Diagnostic Trouble Codes (DTCs), such as U0140, U0155, or other ‘U’ codes.
- ✔ Inconsistent operation of the radio, climate control, or other interior accessories.
Your Straightforward BCM Swap Guide
Installing your cloned 2010 STS Body Control Module is a manageable job for a confident DIYer or any professional mechanic. Following these steps ensures a smooth process.
- Step 1: Safety First. Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Step 2: Locate the BCM. In the 2010 Cadillac STS, the Body Control Module is typically located in the center dash area. You may need to remove a lower dash panel for access.
- Step 3: Disconnect and Remove. Carefully unplug all electrical connectors from the old BCM. Note their orientation. Then, unbolt the module from its mounting bracket and remove it from the vehicle.
- Step 4: Install the New Module. Mount your new, pre-programmed BCM in the exact location of the old one. Securely reconnect all electrical connectors.
- Step 5: Reconnect and Test. Reconnect the negative battery terminal. Turn the ignition to the ‘ON’ position and test all body functions—windows, locks, lights, radio, etc.—to confirm proper operation.
Important Post-Installation Information
While our cloning service makes this a nearly plug-and-play repair, some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following potential procedures:
- Airbag System Sync: If your 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 airbag system with the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure your brake lights and traction control system function correctly.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a certified technician for your specific model.
Verified Fitment Across a Wide Range of GM Vehicles
This BCM is compatible with a broad selection of General Motors cars, trucks, and vans. Please verify your part number against our list. This module replaces the following 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. It fits models such as:
AVALANCHE 1500 10
CAPRICE 11-13
CAPTIVA SPORT 12
CTS 08-13
DTS 06-11
ENCLAVE 08-12
EQUINOX 07-09
ESCALADE 10
ESCALADE ESV 10
ESCALADE EXT 10
EXPRESS VANS 08-12
G8 08-09
HUMMER H2 08-09
IMPALA 06-13
LUCERNE 06-11
MONTE CARLO 06-07
OUTLOOK 07-10
SAVANA VANS 08-12
SRX 07-09
STS 10
SUBURBAN 1500 10
TAHOE 10
TORRENT 07-09
TRAVERSE 09-12
VUE 08-10
YUKON 10
YUKON XL 1500 10
Frequently Asked Questions
How does the Cloning Service work?
How does the Cloning Service work?
After you purchase, we’ll provide instructions for sending us your original BCM. We then use specialized equipment to extract the unique data and program it onto your replacement unit. This makes the new module a direct, plug-and-play match for your car, avoiding dealer programming.
Do I need to send you my VIN?
No, you do not need to provide your VIN. Since we are cloning all the necessary information directly from your original module, the VIN is transferred during that process.
Will I get my old BCM back?
Yes. We always return your original module along with the newly programmed replacement unit. We do not keep your original part.
Is this a guaranteed fix for my car’s problems?
This part will fix any issues directly caused by a faulty BCM. If you’re experiencing the common symptoms we’ve listed, there is a very high probability this will solve your problem. However, proper vehicle diagnosis is always recommended to rule out other issues like wiring or sensor faults.
What tools do I need for the installation?
For most models, you will only need basic hand tools like a socket set and screwdrivers to access and remove the BCM. No special programming tools are required thanks to our cloning service, though a professional scan tool may be needed for post-install relearn procedures like the airbag sync.