Tired of Chasing Electrical Gremlins in Your Caprice?
As a technician with over two decades of experience, I’ve seen firsthand how a failing Body Control Module (BCM) can turn a reliable vehicle into a source of constant frustration. If your 2011-2013 Chevrolet Caprice is experiencing bizarre issues like power windows with a mind of their own, door locks that don’t respond, flickering interior lights, or a persistent security warning on the dash, the BCM is the most likely culprit. This module is the central nervous system for your car’s body electronics, and when it starts to fail, it creates a cascade of confusing problems.
Don’t waste time and money swapping random parts or paying for expensive diagnostic hours at a dealership. This is the direct, effective solution you’ve been looking for. We offer a genuine replacement 2011-2013 Caprice Body Control Module that solves these issues for good. The best part? We take care of the most difficult step for you. Simply provide us with your vehicle’s VIN during checkout, and our experts will program the module with the latest GM factory software specifically for your car. It arrives at your door ready for installation, saving you a trip to the dealer and hundreds in programming fees.
From the Service Bay
A customer brought in their 2012 Caprice PPV last month with a classic case of BCM failure. The dome lights wouldn’t turn off, the driver’s side window was stuck down, and the anti-theft system would randomly engage, preventing the car from starting. After confirming power and grounds were good, we pinpointed the BCM. Instead of sending them to a dealer, we ordered one of these pre-programmed units. The install took less than an hour, and because it was already flashed to the car’s VIN, all the vehicle-specific options worked immediately after a quick relearn procedure. We got the cruiser back on the road the same day, saving the department significant downtime and expense.
Common Signs of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights staying on or not working at all.
- ✔ The security or anti-theft light is illuminated, causing a no-start condition.
- ✔ False warnings on the instrument cluster (e.g., ‘Service Airbag’).
- ✔ Communication errors with other modules when scanned with a diagnostic tool.
- ✔ Wipers or horn activating unexpectedly.
Your Step-by-Step BCM Installation Guide
Installing your new 2011-2013 Caprice Body Control Module is a straightforward process for a confident DIYer or any professional technician. For the Caprice, the BCM is typically located behind the driver’s side of the dashboard.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before beginning work.
- Access the Module: Remove any lower dash panels or trim necessary to gain clear access to the old BCM. It’s often mounted to a bracket or the firewall.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Most have a locking tab that needs to be depressed. Once disconnected, unbolt or unclip the module from its mounting location.
- Install the New BCM: Mount your new, pre-programmed BCM in the exact same position as the old one. Securely reconnect all electrical connectors, ensuring they click into place.
- Final Procedures: Reassemble your dashboard and reconnect the negative battery terminal. You will need to perform a few final steps. As noted below, this may include an airbag system key setup and a brake pedal position sensor recalibration using a compatible scan tool to ensure all systems operate correctly.
CRITICAL POST-INSTALLATION NOTICE: To ensure full functionality and safety, replacing the BCM requires additional steps. You must perform the ‘Setup SDM Primary Key in BCM’ procedure with a professional diagnostic tool to clear any airbag warnings. A brake pedal recalibration may also be necessary for proper brake light and stability control operation. If you are not equipped to perform these procedures, we recommend seeking assistance from a qualified mechanic.
Verified Vehicle Compatibility
This BCM, part number 15921353, is a direct replacement for a wide range of GM vehicles. While this listing is focused on the 2011-2013 Caprice Body Control Module, it also fits the following models. Please verify your original part number from the extensive list below for a guaranteed match.
- 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
- Select Models Include: Acadia (07-12), Avalanche 1500 (10), Captiva Sport (12), CTS (08-13), DTS (06-11), Enclave (08-12), Equinox (07-09), Express/Savana Vans (08-12), G8 (08-09), Hummer H2 (08-09), Impala (06-13), Lucerne (06-11), Monte Carlo (06-07), Outlook (07-10), SRX (07-09), STS (10), Tahoe/Yukon (10), Traverse (09-12), and more. Please check the detailed fitment list for specifics.
Frequently Asked Questions
Do I really need to provide my VIN?
Yes, absolutely. Providing your VIN is essential. We use it to load the precise, vehicle-specific software and calibrations from GM into your new BCM. This ensures all your car’s original features work correctly right out of the box.
Is this a simple plug-and-play part?
It is ‘plug-and-program-and-play’. We handle the difficult programming part before we ship. You handle the physical installation, but as noted, a final relearn procedure for the airbag and potentially the brake systems is required with a scan tool to complete the job.
Will this fix my car’s security light issue?
In most cases, yes. The BCM is a core part of the vehicle’s anti-theft system. A failing BCM is a very common reason for a persistent security light and no-start problems. This programmed replacement is designed to resolve that communication failure.
What tools are needed for the post-installation procedures?
You will need a professional-grade bidirectional scan tool. Basic code readers cannot perform the ‘Setup SDM Primary Key’ or ‘Brake Pedal Position Sensor Calibration’ functions. Many independent repair shops have this equipment if you are not equipped for it.
How do I find my old BCM part number to verify fitment?
The part number is printed on a sticker directly on the module’s housing. While our programming makes it compatible based on your VIN, visually confirming the part number is always a good practice before ordering.