Restore Full Electrical Function to Your Vehicle
Are you battling a storm of strange electrical problems in your Cadillac or GM vehicle? Intermittent power windows, flickering dash lights, a security system that has a mind of its own, or a car that refuses to start can all point to one culprit: a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, when the BCM falters, it can cause widespread and frustrating issues. This isn’t just an inconvenience; it can affect vehicle security and safety. This replacement Body Control Module is the reliable, straightforward solution to restore order and get your vehicle operating as it should.
The biggest hurdle in replacing a BCM has always been the expensive and time-consuming programming required at a dealership. We eliminate that step entirely. By providing us with your vehicle’s VIN at checkout, our technicians will program this module with the latest GM software specific to your car. This means it arrives at your door ready for a much simpler installation process, saving you time and hundreds of dollars in dealer fees. This is the smart, efficient way to tackle the repair for your 2010 STS Body Control Module and many other compatible GM models.
A Technician’s Notebook: The Ghost in the Machine
A customer brought in their 2011 Cadillac DTS with a list of complaints that sounded like the car was haunted. The radio would turn on by itself, the driver’s window wouldn’t go down, and the anti-theft light was always on, sometimes preventing it from starting. They had already replaced the battery and checked fuses. My first thought was BCM. After connecting my diagnostic tool, I saw multiple communication loss codes with various modules. In my 20+ years of experience, this pattern almost always points to an internal failure in the BCM. We installed a VIN-programmed module just like this one, performed the necessary ‘SDM Primary Key Setup,’ and every single issue was resolved. The customer was thrilled to have their luxury car back without the ghost in the machine.
Common Signs of a Failing BCM
If your vehicle is exhibiting these symptoms, a faulty BCM is the likely cause. Confirming these issues can give you confidence that you’re ordering the right part for the job.
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or don’t work at all.
- ✔ The security system light is illuminated, or the alarm goes off randomly.
- ✔ The vehicle won’t start, and you hear a rapid clicking sound.
- ✔ False warnings on the dashboard, such as a persistent “door ajar” light.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Wipers activating on their own or not responding to the switch.
A Straightforward Guide to Installation
With our pre-programmed module, the installation is simplified. However, for safety and full functionality, follow these steps carefully. This process is critical after installing your new 2010 STS Body Control Module.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: On the 2010 Cadillac STS, the BCM is typically located in the center dash area. For other models, its location can vary from under the steering column to behind the dash panel (refer to the fitment list for clues).
- Remove the Old Module: Carefully unplug the electrical connectors. They have locking tabs that must be depressed to release. Then, unbolt the module from its mounting bracket.
- Install the New Module: Seat the new, pre-programmed BCM in the mounting bracket and secure it. Reconnect all electrical connectors firmly until they click into place.
- Reconnect the Battery: Reattach the negative battery terminal.
- CRITICAL – Post-Installation Procedures: Do not skip this step! You will need a professional-grade scan tool. Perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the BCM with the airbag system and clear the warning light. Some vehicles may also require a ‘Brake Pedal Position Sensor Calibration’ to ensure proper brake light and stability control function.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of General Motors vehicles and part numbers. Please verify your vehicle and original part number from the lists below to ensure a perfect fit. Providing your VIN is mandatory for us to program the unit correctly for your specific options.
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.
Fits Models Including:
- Acadia 2007-2012
- Avalanche 1500 2010
- Caprice 2011-2013
- Captiva Sport 2012
- CTS 2008-2013
- DTS 2006-2011
- Enclave 2008-2012
- Equinox 2007-2009
- Escalade, ESV, EXT 2010
- Express / Savana Vans 2008-2012
- G8 2008-2009
- Hummer H2 2008-2009
- Impala 2006-2013
- Lucerne 2006-2011
- Monte Carlo 2006-2007
- Outlook 2007-2010
- SRX 2007-2009
- STS 2010
- Suburban 1500 2010
- Tahoe 2010
- Torrent 2007-2009
- Traverse 2009-2012
- Vue 2008-2010
- Yukon / Yukon XL 1500 2010
Note: Specific options or ID numbers may apply. Please check the original provided fitment data for details or contact us with your VIN. A properly matched and programmed 2010 STS Body Control Module is key to a successful repair.
Frequently Asked Questions
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to access the exact factory software and vehicle options for your car. We program the BCM with this specific data, ensuring it communicates correctly with all other modules in your vehicle, just like the original part.
Is this a simple plug-and-play part?
It is as close as you can get. Because we pre-program it, you avoid the most complex step. However, as noted in the installation guide, you MUST perform the ‘Setup SDM Primary Key’ and potentially a brake sensor calibration with a scan tool for the system to function correctly and safely.
Can I install this myself if I don’t have a professional scan tool?
You can perform the physical installation, which is straightforward. However, you will need to take the vehicle to a repair shop to have the final security and safety relearn procedures completed. Without this step, you will have an airbag light on and other systems may not work correctly.
Will this fix my car’s no-start problem?
A failing BCM is a very common cause of no-start conditions related to the anti-theft system. If your vehicle’s security light is flashing when you try to start it, this module is very likely the solution.
What if my original part number is not on the list but my vehicle is?
Please contact us with your VIN and original part number. GM often consolidates part numbers. We can verify compatibility to ensure you receive the correct, functional module for your vehicle.