Restore Your Vehicle’s Electrical System with a Reliable Solution
Are you dealing with baffling electrical issues in your 2010 Cadillac Escalade or another compatible GM vehicle? Intermittent power windows, flickering interior lights, a security system that acts up, or power locks with a mind of their own are classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can cause a cascade of frustrating and seemingly unrelated problems. I’ve spent years in the shop tracing these gremlins back to one source: a compromised BCM. This isn’t just an inconvenience; it can affect the proper function of critical systems.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We offer a professional Cloning Service where we transfer the vital data from your original module to this replacement unit. Simply provide us with your vehicle’s VIN after purchase, and we’ll program the module with the latest GM software updates specific to your Escalade. This means no expensive trip to the dealership for programming—saving you time, money, and headaches.
A Technician’s Notebook
I remember a 2011 GMC Acadia that came into the bay with the wildest symptoms. The radio would turn on by itself, the liftgate wouldn’t open, and the dash lights would randomly flicker. The owner had already replaced the battery and checked the alternator. After hooking up the scan tool, I saw a dozen communication error codes (U-codes) pointing to the BCM. A quick inspection under the dash revealed the culprit: a water leak from a clogged sunroof drain had dripped directly onto the BCM, causing internal corrosion. We swapped in a programmed module like this one, and every single issue vanished. It’s a textbook example of how a single component failure can wreak havoc on a modern vehicle.
Is Your Vehicle Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is the likely solution your vehicle needs. Look out for:
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior dome lights or dashboard lights staying on or not working at all.
- ✔ The security system or keyless entry failing to operate correctly.
- ✔ Horn sounding unexpectedly or not working when pressed.
- ✔ Communication error codes, such as U0140, U0155, or other U-codes, stored in the system.
- ✔ In some cases, a no-start condition where the vehicle fails to crank.
- ✔ Wipers activating on their own or not responding to the switch.
A Straightforward Guide to Your BCM Installation
Installing your pre-programmed 2010 Escalade Body Control Module is a manageable job for a DIY enthusiast or professional mechanic. Following these steps will ensure a smooth process.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to allow the system to fully discharge.
- Locate the BCM: On most GM trucks and SUVs like the Escalade, Tahoe, and Yukon, the BCM is located under the driver’s side of the dashboard, near the steering column. For vans and other models, it may be in the center dash area.
- Remove Trim Panels: You will likely need to remove the lower dash panel or knee bolster to gain access. These are typically held in place by a few screws and clips.
- 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 your new, programmed BCM in the same location and securely reconnect all the electrical connectors. You should hear a ‘click’ as they lock into place.
- Final Steps: Reinstall any trim panels you removed and reconnect the negative battery terminal. Your original module will be returned to you along with the replacement.
Important Post-Installation Steps
After installation, your vehicle may require one or more relearn procedures to ensure all systems communicate correctly with the new BCM. These often require a professional-grade scan tool.
- Airbag System Sync: If the airbag warning light is illuminated, a procedure called ‘Setup SDM Primary Key in BCM’ is needed to sync the airbag system.
- Brake Pedal Position Relearn: To ensure correct brake light and stability control operation, a brake pedal position sensor relearn might be necessary.
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Disclaimer: Procedures can vary. Always refer to a factory service manual for your specific vehicle or consult with a qualified technician.
Verified Vehicle Compatibility
This BCM, part number 15921353, is a direct replacement for a wide range of General Motors vehicles and supersedes many previous part numbers. While the list below is extensive, always confirm your part number is included in our cross-reference list to guarantee fitment. This module fits models such as:
- ✔ Cadillac Escalade, ESV, EXT (2010)
- ✔ Chevrolet Avalanche, Suburban, Tahoe (2010)
- ✔ Chevrolet Express & GMC Savana Vans (2008-2012)
- ✔ Chevrolet Impala (2006-2013)
- ✔ GMC Acadia (2007-2012)
- ✔ Buick Enclave (2008-2012)
- ✔ Cadillac CTS, DTS, SRX (Various Years)
- ✔ And many more models listed in the fitment data.
This module 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
Frequently Asked Questions
How does the VIN programming (cloning) service work?
After you place your order, you will need to provide us with your vehicle’s 17-digit VIN. Our technicians use this information to program the replacement BCM with your vehicle’s specific configuration and the latest GM software. This makes the module ready for installation when it arrives.
Do I need to send my original BCM to you?
No, this is not a repair service for your original part. We use your VIN to program a replacement module from our inventory. We ship the programmed replacement to you, and your original module is returned to you with the shipment. We do not keep your original part.
Is this a guaranteed fix for my vehicle’s electrical problems?
This module will fix issues directly caused by a faulty BCM. While the symptoms listed are very common for BCM failure, we always recommend a proper diagnosis by a qualified mechanic to rule out other potential causes like wiring issues or faulty sensors.
What tools are required for the post-installation procedures?
The Airbag System Sync and Brake Pedal Position Relearn procedures typically require a bidirectional, professional-grade scan tool (like a Tech 2, MDI, or high-end Snap-on/Autel scanner). Basic code readers cannot perform these functions.
Will my mileage or key fobs be affected?
Our cloning process ensures your vehicle’s mileage information, which is stored in multiple modules including the BCM, remains correct. Your existing key fobs should also continue to work without the need for reprogramming.