Restore Full Control of Your Cadillac’s Electronics
If you’re dealing with bizarre electrical issues in your 2010 Cadillac Escalade—like power windows with a mind of their own, flickering interior lights, a security system that won’t cooperate, or a frustrating no-start condition—the Body Control Module (BCM) is the most likely culprit. As a technician with over two decades of experience, I’ve seen how a failing BCM can turn a luxury vehicle into a source of constant headaches. It’s the central hub for all your vehicle’s comfort and convenience features, and when it fails, chaos ensues. This isn’t just an inconvenience; it can affect vehicle security and safety systems.
This replacement Body Control Module, compatible with part number 15948438, is the definitive solution. What makes our service special is the included Cloning Service. Instead of sending you a blank module that requires a trip to the dealership and hundreds of dollars in programming fees, we transfer the precise data from your original BCM directly to this unit. This means it arrives at your door ready for a true plug-and-play installation, pre-loaded with your vehicle’s specific VIN, mileage, and options. It’s the most efficient and reliable way to get your Escalade back to 100%.
A Technician’s Notebook: The Escalade with a Ghost
I once had a 2010 Escalade in the bay that was driving its owner crazy. The alarm would go off randomly, the radio presets would disappear, and sometimes the power liftgate wouldn’t open. The owner had already replaced the battery and checked all the fuses. A scan showed a slew of communication errors, specifically a U0140 (Lost Communication With Body Control Module). Instead of just throwing parts at it, we tested the BCM’s power and ground circuits—they were solid. This pointed directly to an internal failure in the module itself. We installed a cloned BCM, and it was like an exorcism. Every single issue vanished instantly. The cloning process ensured the key fobs worked immediately and all the vehicle’s original settings were preserved, saving the customer time and money.
Common Signs of a Failing BCM
A failing BCM can cause a wide range of symptoms. If your vehicle is experiencing any of the following, this module is likely the solution you need. Look out for:
- ✔ 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 on, or the alarm sounds for no reason.
- ✔ Key fobs that stop working or function intermittently.
- ✔ Diagnostic trouble codes (DTCs) related to communication, such as U0140, U0155, or B1001.
- ✔ A vehicle that won’t start, even with a good battery and starter.
A Straightforward Guide to BCM Installation
For the confident DIYer, replacing the BCM is a manageable job. In the 2010 Escalade, it’s typically located under the driver’s side of the dashboard, near the steering column.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: Remove the lower dash panel beneath the steering wheel to gain access to the module. It’s a black box with several large electrical connectors.
- Disconnect and Remove: Carefully unplug all wiring harnesses from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Mount your new, cloned BCM in the same location and securely plug in all the wiring harnesses. You should hear a ‘click’ as they lock into place.
- Reconnect and Test: Reinstall the dash panel, reconnect the negative battery terminal, and start the vehicle. Test all functions—windows, locks, lights, radio, etc.—to confirm the repair was successful.
Important Post-Installation Information
Our cloning service makes this a nearly seamless process, but due to the complexity of modern vehicle systems, a couple of additional steps may be required in rare cases:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a simple ‘Setup SDM Primary Key in BCM’ procedure must be performed with a compatible professional scan tool. This re-establishes communication between the BCM and the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be needed to ensure correct brake light operation and traction control function. This is also done with a professional scan tool.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual or a certified mechanic if you are unsure about any part of the process.
Will This Fit My Vehicle?
This BCM is a direct replacement for a wide range of General Motors vehicles. Please verify that your original part number is on this list or that your vehicle is listed below. The ID number on your original module is critical for some models.
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
Frequently Asked Questions
Frequently Asked Questions
What is a ‘Cloning Service’?
Cloning is a process where we perform a 1-to-1 transfer of all the critical data from your original BCM to the replacement unit. This includes your vehicle’s VIN, security information for your keys, mileage, and all factory-installed options. This makes the replacement module plug-and-play.
Do I need to send my original BCM to you?
Yes. For the cloning service to work, we need your original module to extract its data. We will return your original module along with the newly programmed replacement unit.
Will I need to get this programmed by a dealer?
No. The cloning service completely eliminates the need for any additional programming. You can install it yourself or have your local mechanic do it without needing expensive dealer-specific tools.
What if my original BCM is completely dead and can’t be read?
In many cases, even if the BCM is preventing the car from starting, we can still extract the necessary data. If the module is severely damaged (e.g., by fire or water), we can often program the replacement using your VIN. Please contact us to discuss your specific situation.
Why is the airbag light on after installation?
The BCM communicates with the airbag system (SDM). Sometimes after a module swap, this communication link needs to be re-initialized. This is a simple procedure called ‘Setup SDM Primary Key in BCM’ that can be done by any shop with a professional-grade scan tool.