Restore Full Functionality to Your GM Vehicle with a Programmed BCM
Are you battling a storm of bizarre electrical problems in your 2010 Cadillac STS? Flickering lights, malfunctioning power windows, a security system that has a mind of its own, or worse, a car that refuses to start? These aren’t just minor annoyances; they’re classic signs of a failing Body Control Module (BCM). The BCM is the central command for your vehicle’s body electronics, and when it falters, it can make your car feel unreliable and frustrating to drive. This isn’t a problem you have to live with.
We offer a dependable and straightforward solution: a replacement Body Control Module, part number 25826125, that arrives at your door ready for installation. The key is our professional Cloning Service. You provide us with your vehicle’s VIN, and we transfer the critical data from your original BCM to this replacement unit. This ensures seamless integration with your car’s existing systems, eliminating the need for expensive and time-consuming dealership programming. It’s the most efficient way to get your car back to 100%.
A Technician’s Notebook: The Ghost in the Machine
I once had a 2011 Cadillac DTS in my bay with the most erratic symptoms I’d seen in a while. The customer complained that the radio would turn on by itself, the interior lights would pulse, and the car would occasionally not recognize the key fob. We checked grounds, wiring harnesses, and the battery—all were perfect. A deep dive with the scan tool showed a flood of U-codes (communication errors) between various modules. The culprit? A BCM with internal corrosion on the circuit board, causing intermittent signal drops. Replacing it with a cloned unit like this one solved every single issue instantly. It’s a reminder that the BCM is the true nerve center of the car’s body systems.
Is Your Vehicle Showing These Symptoms?
- âś” Erratic or non-functional power windows, door locks, and interior/exterior lights.
- âś” The security or anti-theft system activates randomly or prevents the engine from starting.
- âś” The instrument cluster displays incorrect information or warning lights (like the airbag light) stay on.
- âś” Communication loss DTCs (Diagnostic Trouble Codes), particularly U-codes like U0140, U0155, or U0164.
- âś” Wipers, horn, or remote keyless entry working intermittently or not at all.
- âś” The vehicle fails to start despite a healthy battery and starter.
Your Straightforward Installation Guide
Replacing the BCM is a manageable job for a DIYer with basic tools. While the exact location varies by model (see fitment list), the process is generally similar.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work. Wait a few minutes for the system capacitors to discharge.
- Locate the BCM: On the 2010 Cadillac STS, the BCM is typically located in the center dash area. You may need to remove a few trim panels to gain access. Consult a vehicle-specific guide for precise location.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket and remove it.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely reconnect all the electrical connectors. You should hear a ‘click’ as they lock into place.
- Reconnect the Battery: Reattach the negative battery terminal.
- Perform Post-Install Checks: Start the vehicle and test all body functions—windows, locks, lights, wipers, etc. Note that some vehicles may require the additional procedures listed below.
Important Post-Installation Steps:
While our cloning service handles the primary programming, some systems require a ‘handshake’ with the new BCM after installation. You may need a professional scan tool for these relearn procedures:
- Airbag System Sync: If your airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary to sync the systems.
- Brake Pedal Position Relearn: On some models, this recalibration may be needed to ensure your brake lights and traction control system function correctly.
Verified Vehicle Compatibility
This Body Control Module is a direct-fit replacement for a wide range of General Motors vehicles. Please verify your part number and model from the list 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, and 95151084.
- Acadia 07-12
- Avalanche 1500 10 (ID 25892622)
- Caprice 11-13
- Captiva Sport 12 (ID 20921435, 20921436, 22860591)
- CTS 08-13
- DTS 06-11
- Enclave 08-12
- Equinox 07-09
- Escalade 10 (ID 20815898, 25892622)
- Escalade ESV 10 (ID 20815898, 25892622)
- Escalade EXT 10 (ID 25892622)
- Express 1500 Van 08-12
- Express 2500 Van 08-12
- Express 3500 Van 08-12
- G8 08-09
- Hummer H2 08-09
- Impala 06-13
- Lucerne 06-11
- Monte Carlo 06-07
- Outlook 07-10
- Savana 1500 Van 08-12
- Savana 2500 Van 08-12
- Savana 3500 Van 08-12
- SRX 07-09
- STS 10
- Suburban 1500 10 (ID 20815898, 25892622)
- Tahoe 10 (ID 20815898, 25892622)
- Torrent 07-09
- Traverse 09-12
- Vue 08-10
- Yukon 10 (ID 20815898, 25892622)
- Yukon XL 1500 10 (ID 20815898, 25892622)
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Frequently Asked Questions
How does the cloning service work?
After you place your order, you’ll need to provide us with your vehicle’s 17-digit VIN. Our technicians use this to transfer the specific software and security data from your original module’s profile into the replacement unit. This makes the module plug-and-play, saving you a trip to the dealer.
Do I need to send my old BCM to you?
No, this is not a repair service for your original part. We use your VIN to program a replacement unit from our inventory. Per our policy, your original module is always returned to you along with the programmed replacement unit. We do not keep the core.
Is this something I can install myself?
Yes, for many DIYers, this is a very manageable repair. The main tasks involve removing interior trim panels to access the module and swapping the electrical connectors. No special programming tools are required on your end.
What if my airbag light comes on after installation?
This is a known possibility. The new BCM needs to be electronically introduced to the airbag system (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure, which can be performed by any professional shop with a high-level diagnostic scan tool.
Why is this better than buying a used BCM from a junkyard?
A used BCM from another vehicle is locked to that car’s VIN and options. It will not work in your car without being completely wiped and reprogrammed by a dealer, which is often costly and complex. Our service bypasses that entire process.