Are you battling frustrating electrical issues in your GM vehicle? Intermittent power windows, malfunctioning door locks, erratic interior lighting, or false warning messages on your dash are common signs of a failing Body Control Module (BCM). The BCM acts as the central nervous system for your vehicle’s body electronics, and when it fails, it can cause a wide range of confusing problems. This replacement Body Control Module is the definitive solution to restore full functionality and peace of mind.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We program the module to your vehicle’s specific VIN before it ships, loading it with the latest software updates from GM. This critical step ensures compatibility with your vehicle’s options and systems, eliminating the need for an expensive trip to the dealership for programming. Simply provide your VIN at checkout, and we handle the rest.
From the Diagnostic Bay
We had a 2010 Cadillac Escalade ESV in the shop with a list of bizarre symptoms. The radio would turn on by itself, the driver’s side power window worked only when it wanted to, and the anti-theft light would flash randomly. The owner had already replaced the window switch and a relay with no success. After hooking up our diagnostic scanner, we saw multiple communication loss codes pointing to a single culprit: the BCM. A faulty BCM can send confusing signals throughout the vehicle’s network, making it seem like multiple components have failed. Installing a VIN-programmed module resolved all the issues in one go, saving the customer from further diagnostic headaches and unnecessary parts expenses.
Common Symptoms of a Failing BCM
- ✔ Power windows, mirrors, or locks operating intermittently or not at all.
- ✔ Interior or exterior lights staying on, flickering, or not turning on.
- ✔ The security system acting up, preventing the vehicle from starting.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Inaccurate readings on the instrument cluster gauges.
- ✔ “Service Electrical System” or similar warnings on the dash.
- ✔ Communication errors with diagnostic scan tools.
Why Choose Our Programmed 2010 Escalade Body Control Module?
Replacing a modern vehicle computer isn’t as simple as swapping the old part for a new one. Our service simplifies the process immensely. By programming the module to your VIN, we ensure it communicates correctly with the Engine Control Module (ECM), transmission controller, and other vital components right out of the box. This unit is a direct replacement for a wide array of part numbers, including 15837419, 25892622, and 20815898, covering dozens of GM models from Cadillac, Chevrolet, GMC, Buick, and more. Please verify your part number against the extensive list provided to ensure perfect fitment.
Post-Installation Information
While our programming handles the majority of the setup, some vehicles may require minor post-installation procedures. If the airbag warning light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. Additionally, a ‘Brake Pedal Position Relearn’ may be necessary on certain models to ensure correct brake light and traction control operation. Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
Frequently Asked Questions
What does a Body Control Module (BCM) do?
The BCM is a computer that controls and monitors many of your vehicle’s non-engine-related functions. This includes power windows, door locks, interior and exterior lighting, security systems, wipers, and more.
How does the VIN programming service work?
After you place your order, you provide us with your vehicle’s 17-digit VIN. We use this number to access the latest GM software for your specific vehicle and flash it onto the module before shipping. This makes the installation process much simpler.
Do I need to send my old BCM back?
No. This purchase does not require a core return. You can keep your original module.
Is this part difficult to install?
The physical installation is typically straightforward, involving unplugging the old module and plugging in the new one. It’s often located under the dashboard. However, as with any vehicle electronics, we recommend installation by a professional technician if you are not comfortable with the process.
What if my airbag light is on after I install the BCM?
This is a known possibility. The new BCM needs to be synced with the airbag system’s Sensing and Diagnostic Module (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure using a professional-grade diagnostic tool.
Will this module fit vehicles other than the 2010 Escalade ESV?
Yes. This BCM is compatible with a very wide range of GM trucks, SUVs, and cars. Please review the detailed fitment list on this page and match one of the compatible part numbers to your original unit to confirm it’s the correct part for your vehicle.