Restore Full Functionality to Your GM Vehicle
Is your 2010 Cadillac Escalade ESV acting possessed? Flickering lights, intermittent power windows, a security system that won’t cooperate, or worse, a vehicle that refuses to start? These frustrating and seemingly random electrical issues often point to one culprit: a failing Body Control Module (BCM). As the central nervous system for your vehicle’s comfort and convenience features, a faulty BCM can wreak havoc. This isn’t just an annoyance; it’s a critical failure that can leave you stranded. We offer a reliable, straightforward solution to get your luxury SUV back to performing as it should.
Case Study: The Ghost in the Escalade
A client brought in a 2010 Escalade ESV with a list of gremlins that sounded like a ghost story. The interior lights would pulse, the radio would shut off randomly, and the key fob worked only half the time. They had already replaced the battery and checked the alternator. In my diagnostic bay, I connected my scan tool and immediately saw a flood of U-codes, specifically U0140 (Lost Communication With Body Control Module). This is a dead giveaway. After confirming power and ground to the BCM were solid, we knew the module itself was the issue. Instead of a costly trip to the dealer for a new module and hours of programming, we performed a cloning service. By transferring the original data to this replacement BCM, the Escalade was back to normal in a fraction of the time and cost. The ‘ghost’ was busted.
The Power of Our Cloning Service
Forget the hassle and expense of dealership programming. Our professional cloning service makes this repair simple. You send us your original BCM, and we expertly transfer all of your vehicle’s critical data—including VIN, key information, and specific options—to this replacement unit. The module you receive back from us is a true plug-and-play solution, pre-configured for your exact 2010 Escalade ESV BCM and ready for installation right out of the box. We even ship your original module back to you with the replacement.
Telltale Signs of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors not working correctly.
- ✔ Security system faults or alarm sounding for no reason.
- ✔ Intermittent no-start or no-crank conditions.
- ✔ Incorrect mileage or security data displayed on the dash.
- ✔ A flurry of communication error codes, such as U0140, U0155, or other U-codes.
- ✔ Horn, wipers, or other accessories activating on their own.
Your Straightforward BCM Installation Guide
- ✔ 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: On your 2010 Escalade ESV, the Body Control Module is typically located under the steering column, accessible from the driver’s side footwell. You may need to remove a lower dash panel for access.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that must be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- ✔ Install the New Module: Mount the new, pre-programmed BCM in the same location. Secure it firmly and reconnect all electrical connectors, ensuring they click into place.
- ✔ Reconnect and Test: Reinstall any panels you removed. Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—lights, locks, windows, radio, etc.—to confirm the repair was successful.
Important Post-Installation Notes
While our cloning service makes this a plug-and-play repair, some GM vehicles may require a simple relearn procedure after installation. Be aware of the following:
- Airbag System Sync: If the airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the security handshake between the airbag system and the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure brake lights and traction control function properly.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual or a qualified technician if you are unsure about any step.
Verified Vehicle Compatibility
This module, identified by part number 15819552 and its alternatives, is a direct fit for a wide range of General Motors vehicles. Please verify your part number or consult the list below. This part is compatible with 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
What is a ‘Cloning Service’ and why do I need it?
Cloning is the process of transferring your vehicle’s exact configuration data (VIN, mileage, key codes, options) from your old BCM to this replacement one. This makes the new module plug-and-play, eliminating the need for expensive and time-consuming programming at a dealership.
Do I need any special tools to install this 2010 Escalade ESV BCM?
Typically, you will only need basic hand tools like a socket set and a trim removal tool to access the module. No programming tools are required thanks to our cloning service.
Will this fix my no-start problem?
If the no-start condition is caused by the BCM failing to recognize your key or manage the security system (a very common issue), then yes, this replacement module will resolve the problem.
What is your core policy? Do I need to send my old part back?
Our service requires your original module to perform the data cloning. After we program the replacement, we ship both your original module and the ready-to-install replacement back to you. We do not keep your original part.
What if the airbag light comes on after I install the BCM?
This can happen occasionally. It means the new BCM and the airbag module (SDM) need to be electronically re-introduced. A mechanic with a professional bi-directional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to clear the light.