Restore Your Vehicle’s Electrical Stability
Are you dealing with a vehicle that seems to have a mind of its own? Flickering dashboard lights, power windows that won’t cooperate, a security system that acts up, or even a car that refuses to start can all point to one culprit: a failing Body Control Module (BCM). As the central command center for your vehicle’s body electronics, a faulty BCM can create a cascade of frustrating and seemingly unrelated issues. For over 20 years, I’ve seen these exact problems drive vehicle owners crazy. This isn’t just a part; it’s the solution to restoring order and predictability to your car’s essential functions.
This replacement GM Body Control Module arrives at your door pre-programmed to your vehicle’s specific VIN. This crucial step means you can bypass the expensive trip to the dealership for programming. We handle the complex part, loading the latest GM software onto the module so you can get back on the road faster. It’s a direct-fit replacement designed to solve those baffling electrical gremlins for good.
A Technician’s Notebook
I remember a 2011 Chevy Express 2500 work van that came into my shop. The owner was at his wit’s end. Some days the van started fine, other days it was completely dead. The radio would turn on by itself, and the dome lights would flicker randomly. He had already replaced the battery and alternator. After hooking up my scan tool, I saw a storm of U-codes (U0100, U0140) indicating a loss of communication between modules. This is a classic sign. We traced it back to a failing BCM. Once we installed a new, properly programmed GM Body Control Module, all the phantom issues vanished. The van was reliable again, and the owner could get back to work without worrying if his vehicle would start.
Common Signs of a Failing BCM
If your vehicle is experiencing these symptoms, a failing BCM is the likely cause. Don’t let these issues go unchecked, as they can affect vehicle safety and operation.
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Erratic behavior from the dashboard gauges or interior/exterior lighting.
- ✔ The security system or keyless entry system working incorrectly.
- ✔ A persistent “Service Theft System” or other warning lights on the dash.
- ✔ Communication error codes, such as U0140, U0155, or B1001.
- ✔ A no-start or intermittent crank-no-start condition.
Your Straightforward BCM Installation Guide
Installing your new BCM is a manageable job for a confident DIYer or any professional technician. While locations vary (see fitment list), the general process is similar.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: The BCM is typically found under the driver’s side or center of the dashboard, or behind a kick panel. Consult your vehicle’s service manual for the exact location.
- Disconnect and Remove: Carefully unplug all 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.
- Install the New Module: Mount your new, pre-programmed BCM in the same location. Securely plug in all electrical connectors, ensuring each one clicks into place.
- Reconnect Power: Reconnect the negative battery terminal.
- Perform Post-Install Procedures: Start the vehicle. In some cases, you may need to perform a relearn procedure for the brake pedal position sensor or the airbag system as detailed below. Test all functions like lights, windows, and locks to confirm the repair.
Important Notes After Installation
Your BCM comes programmed, but some vehicles require a final handshake between modules after installation. Be aware of these potential, model-specific procedures:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a “Setup SDM Primary Key in BCM” procedure is needed. This requires a professional-grade scan tool to sync the modules and clear the light.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor relearn to ensure proper brake light and traction control operation. This can also be performed with a compatible scan tool.
- No Core Charge: You are not required to return your old BCM. There is no core charge associated with this purchase.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual for instructions specific to your make and model.
Verified Vehicle Compatibility
This module is a direct replacement for part number 15093910 and other interchangeable numbers listed below. It fits a wide range of GM vehicles. Please verify your vehicle is on this list:
Fitment:
ACADIA 07-12, AVALANCHE 1500 10, CAPRICE 11-13, CAPTIVA SPORT 12, CTS 08-13, DTS 06-11, ENCLAVE 08-12, EQUINOX 07-09, ESCALADE 10, ESCALADE ESV 10, ESCALADE EXT 10, EXPRESS VANS (1500/2500/3500) 08-12, G8 08-09, HUMMER H2 08-09, IMPALA 06-13, LUCERNE 06-11, MONTE CARLO 06-07, OUTLOOK 07-10, SAVANA VANS (1500/2500/3500) 08-12, SRX 07-09, STS 10, SUBURBAN 1500 10, TAHOE 10, TORRENT 07-09, TRAVERSE 09-12, VUE 08-10, YUKON 10, YUKON XL 1500 10
Frequently Asked Questions
Frequently Asked Questions
Do I need to do any programming myself?
No. We program the module to your vehicle’s VIN before shipping. It arrives ready for installation, though some minor post-install relearn procedures may be necessary depending on your specific model.
How do I provide my VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship your order until we receive it.
Is this a used part?
This is a high-quality, inspected, and tested recycled OEM part, which is then programmed with the latest official GM software for your vehicle. It provides OEM performance without the new part price tag.
What tools are needed for the post-installation procedures?
Procedures like the airbag system sync or brake pedal relearn require a professional-grade bidirectional scan tool. Many local repair shops can perform these services for you if needed.
What happens if I don’t perform the relearn procedures?
If required for your vehicle, failing to perform them may result in a persistent airbag warning light or improper function of the brake lights and traction control system. It’s best to check functionality after installation.
Is there a core charge for my old BCM?
No, there is no core charge. You can keep or recycle your original module without needing to send it back to us.