Restore Full Electrical Function to Your GM Vehicle
Are you battling bizarre electrical issues in your Chevy Express or other GM vehicle? Flickering lights, malfunctioning power windows, a temperamental security system, or even a frustrating no-start condition can often be traced back to one component: a failing Body Control Module (BCM). As the central nervous system for your vehicle’s electronics, when the BCM falters, it can cause a cascade of confusing and disruptive problems. This isn’t just an inconvenience; it can impact your work, safety, and peace of mind.
This is a direct-fit replacement Body Control Module, arriving at your door fully programmed with the latest GM software updates. We take the guesswork and high dealership costs out of the equation. Simply provide us with your vehicle’s VIN during checkout, and our experts will flash the module specifically for your vehicle’s configuration. This ensures a seamless installation and restores functionality right out of the box, getting your reliable workhorse back on the road where it belongs.
A Technician’s Notebook
A customer brought in his 2011 Express 2500 work van last month with a list of strange symptoms. The dome lights would stay on, the radio presets kept resetting, and occasionally, the van wouldn’t start—the security light would just flash. He had already replaced the battery and checked the alternator. After connecting my scan tool, I saw multiple communication loss codes with various modules. In my 20+ years of experience, this pattern almost always points to the BCM. We installed one of these VIN-programmed modules, and it solved every single issue instantly. The key is the pre-programming; it saves hours of diagnostic and programming time, turning a complex electrical headache into a straightforward component swap.
Is Your Van Exhibiting These Electrical Gremlins?
- ✔ Erratic or non-functional interior/exterior lights.
- ✔ Power windows, locks, or mirrors working intermittently or not at all.
- ✔ The anti-theft or security system preventing the vehicle from starting.
- ✔ False warnings on the instrument cluster (e.g., ‘Service Airbag’).
- ✔ Unresponsive key fob or remote entry features.
- ✔ Complete loss of communication between various electronic modules.
Your Straightforward BCM Installation Guide
Replacing the BCM is a manageable job for a DIYer with basic tools. The location can vary, but on most Express and Savana vans, it’s found behind the center dash panel.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Access the Module: Carefully remove the necessary dash trim panels to gain access to the BCM. It’s typically a black plastic box with several large electrical connectors.
- Disconnect and Remove: Photograph the connector positions if needed. Then, carefully release the locking tabs on each electrical connector and unplug them. Unbolt the old BCM from its mounting bracket and remove it.
- Install the New BCM: Mount your new, pre-programmed BCM onto the bracket and securely plug in all the electrical connectors. Ensure they click into place.
- Perform Final Procedures: Reconnect the battery. You will likely need to perform a ‘Setup SDM Primary Key in BCM’ procedure with a capable scan tool to clear the airbag light. Some vehicles may also require a Brake Pedal Position Sensor recalibration.
- Test Everything: Start the vehicle and test all body functions: lights, windows, locks, radio, and wipers to confirm the repair was successful.
Verified Fitment Across a Wide Range of GM Vehicles
This module is a direct replacement for part number 15276271 and is compatible with a vast array of GM cars, trucks, and SUVs. It serves as a replacement for numerous other part numbers, including 10382479, 15093910, 15819552, 20815898, 22860591, 25892622, and more. Please verify your vehicle from the list below. This is a solution for many models beyond the 2008-2012 Express 2500 BCM.
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
CAPRICE 11-13 Body Control (BCM)
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435, 20921436, 22860591
CTS 08-13 Body Control (BCM); LH dash
DTS 06-11 Body Control (BCM); (RH center dash)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EQUINOX 07-09 Body Control (BCM); (center dash)
ESCALADE 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 08-12 Body Control (BCM)
EXPRESS 3500 VAN 08-12 Body Control (BCM)
… and many more. See full list for details.
Frequently Asked Questions
Do I need to do any programming myself?
No. This BCM comes fully programmed to your vehicle’s specific VIN. You just need to provide the VIN at checkout, and we handle the rest, ensuring it’s ready for installation upon arrival.
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to access the exact factory specifications and software for your vehicle’s options. This ensures all features controlled by the BCM work correctly without any additional programming.
What tools are required for the post-installation procedures?
To clear the airbag light, a professional-grade bidirectional scan tool is needed to perform the ‘Setup SDM Primary Key’ function. A basic code reader cannot do this. The Brake Pedal Position Sensor recalibration, if needed, also requires a similar diagnostic tool.
Is this a new or used part?
This is a high-quality, tested replacement part, guaranteed to meet or exceed original equipment performance. It is flashed with the latest stable software from GM for optimal reliability.
Will this fix my ‘Service Theft System’ message?
In many cases, yes. The BCM is integral to the vehicle’s anti-theft system (Passlock/Passkey). A failing BCM is a very common cause of security system errors and no-start conditions related to theft deterrent.